will car run with mass air flow sensor unplugged

Should my car die if I unplug the mass airflow sensor?

Mar 02, 2020· Lot more interesting detail can be read , why would a car run better with the mass air flow sensor unplugged? Because either the sensor is reporting incorrect air amount and or air temperature to the ECU. By disconnecting the sensor the ECU switches to limp mode and the car may idle MAF sensor wires can be cleaned and some cannot as the wires are not easily …

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SOLVED: Runs better with mass air flow sensor unplugged ...

85,239 Answers. Re: runs better with mass air flow sensor unplugged. The fuel injection control computer (PCM) subsitures the Throttle Position Signal and other info from a system called FAILURE MODE STRATEGY, your MAF has failed and the computer has gone into the failure mode, this is how I quickly determine if a MAF is bad in the shop, just ...

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How long can I drive with MAF unplugged?

May 14, 2020· Then, why would a car run better with the mass air flow sensor unplugged? Because either the sensor is reporting incorrect air amount and or air temperature to the ECU. By disconnecting the sensor the ECU switches to limp mode and the car may idle better. Some MAF sensor wires can be cleaned and some cannot as the wires are not easily accessible .

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Car Stalls After Starting, Runs When MAF Unplugged

Car stalls after starting, runs when MAF unplugged. The car will start and seems to run fine for a few seconds. It stalls and I can smell unburnt fuel in the exhaust. I suspected immobilizer and performed the lock and unlock with the key remote 5 times with no effect. I then suspected the MAF and unplugged it and it would star and run reliably.

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Can I run my car with MAF unplugged? –

Nov 26, 2018· Why would a car run better with the mass air flow sensor unplugged? The reason the car runs better without a MAF is because the ecu falls back to set values when sensors are unplugged. With the MAF missing it runs rich, since lean can trash the head/pistons.

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Can You Drive Your Car With Your Maf Unplugged ...

Nov 22, 2004· Yes You can drive the car with the MAF unplugged. The ECU will Use default values and use RPM and other things to compensate. In fact that is one of the test you can do to determine if the MAF is bad, if the car stumbles doesn't run right with it plugged in and maybe you have a 121 code, unplug it and if it runs OK then pretty sure bet the MAF is bad.

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What Happens If You Disconnect Mass Air Flow Sensor ...

Feb 22, 2021· You know that your car will start and keep running even with the mass airflow sensor unplugged. In some cases, the vehicle might run even better if the mass airflow sensor is bad. On top of knowing what happens though when you disconnect it, you also know why you might want to disconnect it and also when to disconnect it.

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Mass air connected, Car dies. Disconnected, Car runs ...

Oct 28, 2008· i had the same problem with my buddy 91. when it was plugged in the car ran soo rich that it actually would kill the motor. took a little while to figure it out but the maf was bad and caused the plugs to foul. leav it disconnected and get a new one when u can it wont hurt it driving it around for a lil while like that just remember when the maf is unplugged the pcm cant tell how much air is ...

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