car only runs with mass air flow sensor unplugged

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

The mass air flow sensor is a possibility...try leaving the mass air flow sensor wire harness unplugged to see if the car runs better. If it does, probably it is bad. However, I would also check the exhaust for a restriction (eg. cat converter could be plugging up), one way to check that is to hook a vacuum gauge to the engine to see if you get normal values. (vacuum should hold steady @ about ...

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

2004-11-22· 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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Should my car die if I unplug the mass airflow sensor?

2020-03-02· Keeping this in view, 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 accessible .

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Car only runs with maf unplugged. What Happens If You ...

To me, the whistle and the fact that the car only runs with the MAF unplugged indicates a vacuum leak somewhere. I left it as is and have driven it around town a bit, but now were at the point where the tags are due and it needs to be smogged. B: Get smogged. At this point, the only thing it's good for right now is setting it the front yard, filling with dirt, and planting flowers in it -OR ...

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MAF sensor - should engine die if it's unplugged? | SHO Forum

2020-02-06· When the MAF is unplugged, it basically runs as a speed density system instead of a mass air system. The problem is that when the MAF is just unplugged, It can take the PCM a few seconds to compensate and in that time it's not unusual for the engine to stall. True backfiring is almost always a mechanical timing problem. Incorrect plug wire ...

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What happens if I unplug my MAF sensor?

2021-03-26· If you disconnect the mass airflow sensor, then the car should keep running and still be able to start normally. This means that if your mass airflow sensor dies completely, then your car will stay running and surprisingly the car might run better without the mass airflow sensor. Click to …

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Why A Car Runs Better With The Mass Air Flow Sensor ...

The mass airflow sensor is unplugged to check whether various components are working fine. It’s true that in case of a faulty mass airflow sensor, unplugging it might make the car run better. But this is not a long-term arrangement you should rely on. The tables programmed into the computer contain values suited to a new engine.

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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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Car runs better with MAF sensor unplugged.. | Modded ...

2012-08-10· 1,071 Posts. #5 · Aug 9, 2012. If your car is running better with maf unplugged then a) ur maf was bad b) it was getting bad reading c) u have a leak in ur intake track and or pulling in unmetered air. Nothing more nothing less, check those 3 things. It sounds like ur problem is c, check for leaks in intake track (intake tube, throttle body ...

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

2021-02-22· Well, the answer to that is no. If you disconnect the mass airflow sensor, then the car should keep running and still be able to start normally. This is because the computer in the car if it does not receive a reading from the mass airflow sensor, will estimate and supply a number that it thinks it is supposed to have.

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Why Would A Car Run Better With The Mass Air Flow Sensor ...

2021-07-20· The car’s long-term repercussions are that it does not perform to its full capacity. In your car, the Mass Airflow Sensor is an important sensor. There are several sensors in your car, and this is only one of them that help it work smoothly. That raises the question of Why Would A Car Run Better With The Mass Air Flow Sensor Unplugged?

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Car runs badly with Maf plugged in.

2015-01-27· -car runs fine with maf unplugged-car goes into limp with maf plugged in on hard pulls -has brand new maf sensor-codes are p1606, p1122, and p0102 (pulled when maf was unplugged)-no boost leaks J-Fonz Tuned| F21's | CoolingMist Stage 2| Southbend Stage 3 Kevlar w/ RS4 PP| Fidanza LWFW | Bosch EV14 72# | DW300 Pump | SRM SMIC's | 034 Track Density Motor Mounts | 034 …

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

2008-10-28· 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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car runs bad, unplug Mass air meter,then runs fine ...

2006-09-14· I started car afterwords, and it runs PERFECTLY! The only problem is, I have a check engine light on. I check under the hood and notice the mass air sensor is unplugged. I shut the car off, plugged it back in and tryed it again. Runs like crap again. So I drive halfway home, still running bad. I pull over and unplug the mass and drive it home ...

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