Disconnect Mass Air Flow Sensor



8 reads 5-volt reference between signal and ground while running and unplugged, on the ECM side, at idle. Check the voltage between ECM harness connector terminals under the following conditions. Some engines may also have more than one air temperature sensor (two if it has a split intake manifold or separate intake manifolds on a V6 or V8 engine). Once the air flow mass is calculated, the sensor sends this information to the engine control unit. When air from the outside enters the engine, there is a component called the mass air flow sensor which detects the mass of this air. It was the Crankshaft Position Sensor. A the title says. Pull the stock duct away from the filter box 4. The tricky thing with some of these types of faults is that you can have a mass air flow sensor concern without triggering the check engine light. to remove this un screw the oil filler tube by hand and remove the top cover. For additional information, refer to Maintenance/Service and Repair. Well, it turns out that the 1996 Ford E350 doesn't have a Mass Air Flow sensor - hence the trouble finding it :-). com The Mass Air Flow sensor is crucial to the fuel systems operation. i did a quick search, couldn't find instructions on how to remove and clean the MAF from what i gathered was to disconnect positive battery terminal, unscrew MAF in the air intake, clean with MAF cleaner and put back sound right? my mileage is garbage and i'm thinking my MAF will be dirty as sin. 06 cc/second in oil. Turbocharged engines may use both, but naturally-aspirated engines typically use one or the other. Faulty readings from other sensors such as a Mass Air Flow Sensor. Mass air flow sensors accuracy skews over time and can lead to fault codes or drivability problems. The mass air flow sensor (MAF) tells the PC how much air is flowing into the engine; we read that data in grams. For a complete wiring diagram Refer to Section 8W. Running with MAF unplugged, bad idea? My Profile My it then started cutting out and would stall at idle with the new air filter/plugs, so I sprayed a bit of contact cleaner on the MAF plug and. It's job is to keep track of the amount of air coming in through the air filter, so that the ECU can adjust the amount of fuel getting into the engine. The Mass Air Flow sensor may be the most sensitive, complicated and fragile sensor on the car. Using a 5/16 nut driver or flat screwdriver loosen the stock hose clamp that connects the stock duct to the stock filter box. When its down the power feels a little down as well. The direct measurement of the air entering the engine is more accurate than calculating the airflow from the Manifold Absulte Pressure (MAP), the Intake Air Temperature (IAT), and the engine speed (speed/density). Once the air flow mass is calculated, the sensor sends this information to the engine control unit. The present mass airflow sensor is primarily a sensor only component where the housing is no longer removable. So, it's natural that it might trouble after a few months of regular use. It is important to be mindful that the engine breather and vacuum hoses are in good condition and securely located before and after replacement of the MAF sensor. This information is then sent to the vehicle's engine management computer, which injects the proper amount of gasoline into the cylinders. The present mass airflow sensor is primarily a sensor only component where the housing is no longer removable. Inspect the mass air flow sensor/air mass meter wires in a direct light source. It says to disconnect the battery before disconnecting the Mass Airflow sensor, if I do that the radio will probably go into anti theft lock out. How a Mass Air Flow Sensor Works. I have now purchased a brand new BOSH online, but it will not be here until next week. 09 cc/second in water, and. An air flow meter is a device that measures air flow, i. He ran it through vagcom and as he thought it was the Mass Air Flow sensor. Here's a look at how mass air flow sensors work, symptoms of failure, and a step-by-step guide on how to replace this sensitive part. Disconnect rubber support for battery cable from air filter box. Open Channel Flow Meter. its just to the right of center engine. Before you remove the sensor, use a camera to record the sensor setup and connections for reference later. He unplugged it and my cars simply running rich My question: Is my Mass Air Flow Sensor completely trashed or could i clean it (Either MAF Cleaner or 99% Rubbing Alcohol) and it would be as good as new?. If the voltage is out of specification, disconnect mass air flow sensor harness connector and connect it again. Increases horsepower & improves air/fuel ratio and MPG. With the vehicle in NEUTRAL, position it on a hoist. What is the most important emissions control device on a vehicle today? The catalytic converter, because it cleans up any exhaust pollutants that exit the engine. You can make your car powerful, fuel saving or both. Disconnect the harness connector from the MAF sensor. Remove the MAF and gently spray it out with "Mass Air Flow Sensor" cleaner only. It's job is to keep track of the amount of air coming in through the air filter, so that the ECU can adjust the amount of fuel getting into the engine. Disconnect the mass air flow (M AF) sensor electrical connector and the wiring harness fastener from the air cleaner assembly. 9) Mass Air Flow Sensor - Dirty The Mass Air Flow Sensor (MAFS) may may not appear to be very dirty, but trust me, it is. The sensor element could get contaminated or damaged. Symptoms of a Faulty Mass Air Flow Sensor A faulty mass airflow sensor will cause problems similar to low compression or low vacuum, and will also show symptoms similar to when your vehicle has low fuel pressure from a faulty fuel pump. i just got a new mass air flow sensor and it is still stalling out right away when it's connected and idles above 2000rpm when i disconnect the mass air flow sensor. Buy Delphi AF10043 Mass Air Flow Sensor: first, disconnect the negative side of the battery, then loosen a couple band clamps and disconnect the harness. Knowing this data is essential for delivering the appropriate amount of fuel into the motor. Raise the Suburban's hood. Error Code P0103 is defined as MAF (Mass Air Flow) sensor or VAF (Volume Air Flow) sensor high input. Remove the MAF sen-sor by simply pulling up on the sensor, then disconnect it from the harness. Both fuel trims are now positive, but the O2 sensor shows a lean air/fuel ratio. Please refer to the IX Series for lower flow rates. Mass air flow sensors have two major components: the sensor and the housing. Disconnect the mass air flow sensor connector. Disconnect mass air flow sensor harness connector and reconnect it again. The throttle body controls the air flow into the engine and the fuel injectors supply the proper amount of fuel to each piston depending upon operating conditions. Step 2 Remove the mass-air sensor from the air filter box and attach to the new filter mount using the supplied bolts and nuts (4) with the electrical plug portion at the top. unplug this sensor. its not air flow meter,tried a new one on it 3. He ran it through vagcom and as he thought it was the Mass Air Flow sensor. After looking around this forum for similar issues, I replaced the Mass Air Flow sensor (AKA Air Mass Meter?) this morning in my '89 240 in hopes that it would solve an idling problem: Summary: 1) After 30 seconds of warming up, will barely idle by itself (stutters, surges, stutters, surges, etc. CHECK MASS AIR FLOW SENSOR-3. Here's a look at how mass air flow sensors work, symptoms of failure, and a step-by-step guide on how to replace this sensitive part. proclaimliberty2000 514,526 views. 0 MUSTANG TO MASS AIR FLOW SYSTEM Author: Mike Stowe Mustang Mass Air Conversion In this document, I will outline the steps to convert a speed density mustang to the MAF system. My mass airflow sensor is all plaster with a little button like plug. We have flow meters designed for variable areas, positive displacement, electromagnetic, mass flow, vortex, and more. The IAT sensor, short for (Intake Air Temperature) sensor, is the next sensor over from the maf sensor in the rubber air-intake tube. like if it has a misfire. This sensor not only measures the volume of air but also compensates for its density as well. The air is then mixed with the fuel, and combustion is the result. Volvo Mass Air Flow Sensor - Bosch 0280218108 C70, S60, S70, S80, V70 Part #: BOS-0280218108 Bosch 6 reviews Available In Stock. What could be better than a high-quality Hyundai Tiburon Mass Air Flow Sensor offered with an amazing low price guarantee? Purchase from us and save a lot!. Just a new vid on a recent purchase of a Mazda 626. Disconnect mass air flow sensor harness connector and reconnect it again. Put the old MAF sensor into the carton to ensure core credit upon return (if. but my question is what will it do to my car. Turn off the ignition of your vehicle and open its hood. Cable damage is the most common cause of this trouble code. your mass air flow sensor is located at the top of your air filter where it connects to the engine. This means that the ability to write new posts and access various member features will go away. A faulty MAF Sensor will cause your M5 (e39) to exhibit performance problems. And yes, if I dare say it, possibly a computer, wiring issue or even a faulty O2 sensor!. Bank 1 denotes the bank of the engine which contains the number one cylinder. I am generating this because I felt the documentation I had to work with could be improved. Save MAF sensor-to-air-duct seal(s), if so equipped, for installation on the replacement unit. These codes cover All Ford Models in Europe at least and possibly other regions. 9) Mass Air Flow Sensor - Dirty The Mass Air Flow Sensor (MAFS) may may not appear to be very dirty, but trust me, it is. Get some MAF. The sticker is to alert service technicians that they should not throw away your K&N air filter because it will last for the life of your vehicle. e46 330ci Mass Air Flow - Disconnected. There are several designs of MAF sensors, but the most common by far is the hot wire MAF sensor. To clean or replace your mass air flow sensor, you need to disconnect it from the air flow system of your engine. This brand new TRE-MAF-082 OEM Replacement Mass Air Flow Sensor and Housing will be a direct fit replacement for the original stock unit. This is a sure sign of a shorted mass. mass air flow sensor out of the tube, disconnect it from the harness holder and move it aside while completing the installation. Connecting the 5-Pin Mass Air Flow (MAF) Sensor Air Intake Disconnect the factory connector from the Mass Air Flow sensor. Error Code P0103 is defined as MAF (Mass Air Flow) sensor or VAF (Volume Air Flow) sensor high input. This article will show you how to clean a Mass Air Flow (MAF) sensor on any Toyota 2ZZGE engine. The Mass Air Flow (MAF) sensor directly measures the amount of the air flowing into the engine. Hope this helps Hope this helps That's not a MAF sensor. If you are using a cold air intake, the MAF sensor might not be calculating properly. This article applies to the Chevrolet Silverado 1500 (2007-2013). My mass air flow sensor on an 88 Camaro 2. There is a factory service bulletin for the following Nissan Models:. My car has 90000 miles. 0 MUSTANG TO MASS AIR FLOW SYSTEM Author: Mike Stowe Mustang Mass Air Conversion In this document, I will outline the steps to convert a speed density mustang to the MAF system. Not sure if this relates to your problem, but (at least my car) if I disconnect the connector to the Mass Air Sensor, my car dies immediately. )sensor is unplugged,or the vacuum (some had a vacuum line) to it is lost,the engine will not. However, this method is not perfect especially when the MAF sensor is half dead. There are several designs of MAF sensors, but the most common by far is the hot wire MAF sensor. It tells your cars computer how much fuel to add based on the air flowing into your throttle body. Disconnecting the buggu one will normalise the engine immediately. Video Transcript: I want to point out that many mass air flow sensor failures are actually the result of an external problem. However, if given enough gas, will run smoothly. How a Mass Air Flow Sensor Works. It actually looks like the filament inside a clear light bulb. Pep Boys also has it. Anyone know how to disconnect wire plug from Mass Air Flow Sensor I have a 997. A faulty MAF sensor can cause your vehicle to run too rich or run too lean. How to remove, inspect, clean and replace the MAF (mass airflow or air flow) sensor on the FB25 2. A vehicle's mass airflow sensor, or MAF, is the component that measures the flow and density of the air flowing into the combustion chamber. Locate the mass air flow (MAF) sensor on the air intake. e46 330ci Mass Air Flow - Disconnected. Have a K&N cold air intake for my 2015. To clean or replace your mass air flow sensor, you need to disconnect it from the air flow system of your engine. SPECIFICATIONS Air Velocity Range: 0 to 5000, 0 to 10,000 FPM Accuracy: 2% FS (air velocity). If NG, remove mass air flow sensor from air duct. Many dealerships sell and service K&N Air Filters and we encourage you to work with those dealerships. How to clean mass air flow sensor video. At about 85,000 miles my Corolla's idle speed decreased from 700 to about 500rpm and felt like it was going to stall sometimes after the AC compressor kicked off. As far as horsepower and mass air: the wallet's the limit! But first you need to get the mass air setup in your Cougar. Please refer to the IX Series for lower flow rates. The present mass airflow sensor is primarily a sensor only component where the housing is no longer removable. If that shows no improvement then what should be done is connect a scan tool that can do real time monitoring. This brand new TRE-MAF-082 OEM Replacement Mass Air Flow Sensor and Housing will be a direct fit replacement for the original stock unit. If your car is running rough, hiccuping, or having trouble starting you may have a dirty Mass Air Flow sensor, commonly referred to as a MAF sensor. Search My Stuff. Order Mass Air Flow Sensor/Meter for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. So, I should push down this button while pulling out the connector. If your check engine. The IAT sensor, short for (Intake Air Temperature) sensor, is the next sensor over from the maf sensor in the rubber air-intake tube. Pep Boys also has it. The air is then mixed with the fuel, and combustion is the result. When Monitored: With the ignition on. Your car has a lot of sensors, and this is just one that helps your car run properly. Mass Air Flow Sensor Products The performance of your vehicle engine relies on one equation: the right amount of fuel + the right amount of air = good engine output. CHECK MASS AIR FLOW SENSOR-3. SPECIFICATIONS Air Velocity Range: 0 to 5000, 0 to 10,000 FPM Accuracy: 2% FS (air velocity). i did a quick search, couldn't find instructions on how to remove and clean the MAF from what i gathered was to disconnect positive battery terminal, unscrew MAF in the air intake, clean with MAF cleaner and put back sound right? my mileage is garbage and i'm thinking my MAF will be dirty as sin. Ricambi wants $265. So a little air means no foot on the throttle and lots of air means foot to the floor. With your AutoTap Express DIY, look at engine RPM, calculated engine load, mass air flow rate, throttle position angle, short term fuel trim (STFT), and ignition timing. It's job is to keep track of the amount of air coming in through the air filter, so that the ECU can adjust the amount of fuel getting into the engine. IV platform, which is apparently due to a bad batch of sensors from the Bosch factory. This is what propels the car. DIRTY MAF SENSOR. If after disconnecting the MAF nothing changes, it means, that MAF has became bad. Mass Air Flow Sensor Products The performance of your vehicle engine relies on one equation: the right amount of fuel + the right amount of air = good engine output. Remove the back two (2) fresh air tubes from the clean air tube. If after disconnecting the MAF nothing changes, it means, that MAF has became bad. There is a factory service bulletin for the following Nissan Models:. The most common symptom of a dirty mass air flow (MAF) sensor is a lack of power. Once the air flow mass is calculated, the sensor sends this information to the engine control unit. MAF Sensor. My girlfriend's A6 (2005 3. e46 330ci Mass Air Flow - Disconnected. When installing or replacing a unit, make sure to determine why the original unit failed, so the same failure does not occur with the replacement unit. It tells your cars computer how much fuel to add based on the air flowing into your throttle body. )sensor is unplugged,or the vacuum (some had a vacuum line) to it is lost,the engine will not. The same sensor is on E-bay for European Hondas, Rovers and even Ferrari 360 s for about $50. Disconnect battery earth lead. In simple terms, this component detects the amount of air being drawn into the engine so that the control computer can determine the correct amount of fuel to feed the engine. is it worth doing?. When it comes to MAF sensors, communication with the ECM is key. I enclose the URL to check it out. The other sensor is probably a Intake air temp sensor. Air changes its density with temperature and pressure. its just to the right of center engine. com The Mass Air Flow sensor is crucial to the fuel systems operation. This can cause a multiple cylinder misfire code. My car has 90000 miles. Output Shaft Speed (O SS) Sensor Material Removal 1. Your car has a lot of sensors, and this is just one that helps your car run properly. MAF stands for the Mass Air Flow sensor, and it’s primary role is to read and analyze the air that’s rushing into your engine. Fuel Pump Relay 4. Step 4 Loosen the two bolts on the air box as well as the clamp on the throttle body. 2L V8 > Exhaust & Emission > Mass Air Flow. Mass Air Flow Sensor Products The performance of your vehicle engine relies on one equation: the right amount of fuel + the right amount of air = good engine output. 8L (2H0) > Repair Instructions > Mass Airflow Sensor Replacement. A faulty MAF sensor can cause your vehicle to run too rich or run too lean. Just a new vid on a recent purchase of a Mazda 626. concerning Mass Air Flow (MAF) sensor: – Check voltage supply of Mass Air Flow (MAF) sensor. When Monitored: With the ignition on. Then remove the top of the airbox filter lid completely from the filter. Loosen clamp at turbo inlet hose using 7mm Nut Driver and disconnect. They got in the car while it sat and have done some damage to the wiring harness with their gnawing. Current flowing through the wire heats it. from MAF sensor. The EFI system isn't really that complex on a fox body Mustang, it has a few sensors, solenoids, relays and a computer handling all this input to strive for the best fuel ratio for most performance and mileage in all possible conditions. In simple terms, this component detects the amount of air being drawn into the engine so that the control computer can determine the correct amount of fuel to feed the engine. SOURCE: My car was diagnoised with a bad air flow sensor the mass air flow sensor is located under the top plastic engine cover. It does not measure the volume of the air passing through the tube, it measures the mass of air flowing through the device per unit time. This is a sure sign of a shorted mass. Once everything is disconnected, lift the. Here is the Mass Air Flow Sensor, and might need to clean or replace the Manifold Absolute Pressure Sensor depending on what sort of issue your friend's JK has. Remove the MAF and gently spray it out with "Mass Air Flow Sensor" cleaner only. In the late 1980s it evolved to a hot wire design which is still used today. It actually looks like the filament inside a clear light bulb. 6L V8 engine Disconnect the MAF sensor. Carefully remove the sensor from the air duct and disconnect the electrical connector. You sure can, (if it runs at all) , usually the ecu will run the engine on a factory pre-established fuel map; BUT,most cars,if the MAP(manif absol. Intentionally blank: Intentionally blank: Related Parts. The tricky thing with some of these types of faults is that you can have a mass air flow sensor concern without triggering the check engine light. The Mass Air Flow sensor is a very delicate sensor. If you get any of these codes P0100, P0101, P0102, P0103 and P0104 you most likely need your MAF replaced. One of the most common causes of Ford P0171 and P0174 lean codes is a dirty mass airflow (MAF) sensor. DPFE sensor failure is a fairly common problem on the Focus, and as more and more older foci get more and more miles, the failures are becoming a lot more common. Before installing a replacement unit, make every effort to determine why the original unit failed. How to remove, inspect, clean and replace the MAF (mass airflow or air flow) sensor on the FB25 2. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. My mass airflow sensor is all plaster with a little button like plug. 2L V8 > Exhaust & Emission > Mass Air Flow. If you've got a P0101 code, it's likely time to replace the mass air flow (MAF) sensor. Loosen clamp at turbo inlet hose using 7mm Nut Driver and disconnect. When you're looking to pick up a new GMC Sierra mass air flow sensor, we have a great deal on the parts you're looking for. JEGS has a large selection of high performance and replacement fuel injection parts to increase horsepower or just get you back on the road. The IAT sensor, short for (Intake Air Temperature) sensor, is the next sensor over from the maf sensor in the rubber air-intake tube. '86-'88 Mass Air Conversion Installation you can skip right over this section and move on to the mass airflow sensor wiring harness installation. After looking around this forum for similar issues, I replaced the Mass Air Flow sensor (AKA Air Mass Meter?) this morning in my '89 240 in hopes that it would solve an idling problem: Summary: 1) After 30 seconds of warming up, will barely idle by itself (stutters, surges, stutters, surges, etc. This allows the computer to adjust to achieve an appropriate ratio of air and fuel (and spark) in a fuel injection engine. Most of the C4 Corvettes used a MAF (Mass Air Flow) sensor to determine how much air is being pulled into the intake manifold. The B235 (4-cylinder model) process and sensor location is identical, as well as sharing the same sensor part number (SAAB # 55557008). I swapped it out and CEL went away and the engine ran fine again. MASS AIR FLOW (MAF) SENSOR - from 99MY. Verify any dirty build up that would obstruct the engine computer's reading of the air flow. Replacement Volkswagen Tiguan mass air flow sensors available at CARiD, can help you control and follow the changes in the fuel mixture. Testing the MAF (Mass Air Flow) sensor on your Ford truck or SUV or full size van is a very simple and easy affair. The most common symptom of a dirty mass air flow (MAF) sensor is a lack of power. P0101 CADILLAC Meaning The Mass Air Flow (MAF) sensor measures the amount of air ingested by the engine. That's why Delphi MAF sensors use all new parts - never remanufactured parts that could harbor debris and therefore. For example, in some Mazda Skyactiv engines, a failed mass air flow sensor could cause the engine to crank but not to start. 2L V8 > Exhaust & Emission > Mass Air Flow. The Mass Air Flow sensor is crucial to the fuel systems operation. Loosen clip screw and release air intake hose. I disconnected the MAF, while engine was running, and the idle adjusted it self. Bank 1 denotes the bank of the engine which contains the number one cylinder. Separate the MAF sensor from the air duct(s) or throttle body and remove it from the vehicle. i did a quick search, couldn't find instructions on how to remove and clean the MAF from what i gathered was to disconnect positive battery terminal, unscrew MAF in the air intake, clean with MAF cleaner and put back sound right? my mileage is garbage and i'm thinking my MAF will be dirty as sin. This can cause a multiple cylinder misfire code. It jumps up and down. Error Code P0103 is defined as MAF (Mass Air Flow) sensor or VAF (Volume Air Flow) sensor high input. Mass airflow sensors, or MAF sensors for short, measure the density of the air passing through an engine's intake and report to the ECU (engine control unit) computer, allowing it to deliver the right amount of fuel […]. K&N Response to Mass Air Flow Sensor Concerns Every stock replacement air filter we sell comes with this sticker, which we advise consumers to place prominently on their air box. Turn ignition switch OFF. Air Flow Cam Position Sensor Repair Pigtail Connector GM 1986 Up $19. When this sensor begins to fail or becomes faulty, there’s quite a few problems that can arise. Testing the MAF (Mass Air Flow) sensor on your Ford truck or SUV or full size van is a very simple and easy affair. The IAT sensor, short for (Intake Air Temperature) sensor, is the next sensor over from the maf sensor in the rubber air-intake tube. So, When air passes across the (MAF) mass air flow sensor, it cools the wire inside, increasing the amount of current needed to keep that wire at the specified temperature. Volvo Mass Air Flow Sensor - Bosch 0280218108 C70, S60, S70, S80, V70 Part #: BOS-0280218108 Bosch 6 reviews Available In Stock. JEGS has a large selection of high performance and replacement fuel injection parts to increase horsepower or just get you back on the road. A maf sensor is a device that measures the mass air flow, hence its name. Mass Air Flow Sensor Products The performance of your vehicle engine relies on one equation: the right amount of fuel + the right amount of air = good engine output. It jumps up and down. One of the most common causes of Ford P0171 and P0174 lean codes is a dirty mass airflow (MAF) sensor. Step 6 Using a 10mm socket, unbolt the factory air box. Order Mass Air Flow Sensor/Meter for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. I tried to disconnect the mass airflow sensor first, and then remove the upper and bottom air cleaner units to easily access the ABS module. Mass air flow sensors accuracy skews over time and can lead to fault codes or drivability problems. The throttle body controls the air flow into the engine and the fuel injectors supply the proper amount of fuel to each piston depending upon operating conditions. Mass Flow Meters FCI designs, manufactures and sells a broad line of thermal mass flow meters for air and gas flow measurement. When air from the outside enters the engine, there is a component called the mass air flow sensor which detects the mass of this air. Does the truck seem to have a rough idle. The MAF sensor could get contaminated or damaged. Fuel Pump Relay 4. Easy to use parts catalog. This can cause a multiple cylinder misfire code. As far as horsepower and mass air: the wallet's the limit! But first you need to get the mass air setup in your Cougar. In most cases, this code is not very difficult to diagnose. You can replace the mass air flow sensor simply by plugging in the new one and then securing it using the screws or bolts. Harness 7. 5L four cylinder Boxer engine in a sixth generation 2015, 2016, 2017 and 2018 Subaru Outback station wagon including the compatible replacement part numbers and photo illustrated steps. The MAF measures the amount of air passing through the sensor going into the engines throtle body. The MAF (Mass Air Flow) sensor is in charge of keeping track of the amount of air going to your engine. Disconnect the air outlet pressure sensor (boost pressure) harness connector from the sensor on the driver side of the vehicle. Standard: 0. If the voltage is out of specification, disconnect mass air flow sensor harness connector and connect it again. (4 hr drive - 250 miles) thanks you so very much!!. I checked the O 2 sensor, mass airflow sensor (MAF), etc. SOURCE: My car was diagnoised with a bad air flow sensor the mass air flow sensor is located under the top plastic engine cover. My car has 90000 miles. Current flowing through the wire heats it. The B235 (4-cylinder model) process and sensor location is identical, as well as sharing the same sensor part number (SAAB # 55557008). '86-'88 Mass Air Conversion Installation you can skip right over this section and move on to the mass airflow sensor wiring harness installation. Use of any other type cleaner may damage the sensor. How a Mass Air Flow Sensor Works. This can cause a multiple cylinder misfire code. the last thing I did was replaced mass air flow sensor again and check engine light did go out,but it stayed off until I turn on the A/C. On some vehicles, you can also look at the idle control motor duty cycle or position, and/or idle tracking sensor (if the vehicle has one). If you try to plug it in while it's running the car will die. Search My Stuff. This means that the ability to write new posts and access various member features will go away. Mass air flow sensors go by many different names — Air Mass Meter, AMM, MAF, but they all do a very important function which is to meter the air going into the engine, so the fuel injection system knows how. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. Symptoms of a bad Mass-Air-Flow-Sensor (long) At some point during the month of August the Roadfly forums are going to become archive only. A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine. I have now purchased a brand new BOSH online, but it will not be here until next week. The following is the 2002,2003,2004,2005,2006,2007 Ford Mustang wiring diagram, Ford Mustang IAT (Intake Air Temperature) Sensor Location and the Ford Mustang MAF (Mass Air Flow) Sensor Location, also included is a pinout of the sensor. Try to disconnect the battery cables from. One of the most common causes of Ford P0171 and P0174 lean codes is a dirty mass airflow (MAF) sensor. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. The same sensor is on E-bay for European Hondas, Rovers and even Ferrari 360 s for about $50. If the code comes back, it may be necessary to replaced the mass air flow sensor. In other words, a corresponding air mass produces an exactly defined voltage signal. The sticker is to alert service technicians that they should not throw away your K&N air filter because it will last for the life of your vehicle. The direct measurement of the air entering the engine is more accurate than calculating the airflow from the Manifold Absulte Pressure (MAP), the Intake Air Temperature (IAT), and the engine speed (speed/density). However i also tried running the car with the airflow meter unplugged, the problem dissappeared completely. your mass air flow sensor is located at the top of your air filter where it connects to the engine. Mass air flow sensors accuracy skews over time and can lead to fault codes or drivability problems. So a little air means no foot on the throttle and lots of air means foot to the floor. 2005-2012 2005-2012 Nissan Frontier Air/Fuel Ratio and O2 Sensor Location 2005-2012 Nissan Frontier Air/Fuel Ratio and O2 Sensor Location. I would say the most common one used today is what is know as the "hot-wire" MAF sensor. Take this out.