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Car Stalls After Starting, Runs When MAF Unplugged

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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.

SOLVED: I unplugged the Mass Airflow Sensor and my truck ...

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· When you unplug the mass airflow sensor, the car goes into "limp home" mode in which it runs full rich. Generally speaking, if a car runs better with the mass airflow sensor unplugged than with it plugged in, the mass airflow sensor has failed. However, the drifting idle tends to make me want to look for vacuum leaks and check the rear ...

MAF Sensor Problem Car Wont Start | Subaru WRX Forum

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· MAF Sensor Problem Car Wont Start. Jump to ... so I did a little test and unplugged the MAF car started right up no hesitation you plug the MAF in the car would immediately run rough and proceed to stall. So moving forward to today I got a new MAF sensor same exact problem the car runs like crap with it plugged in and wont stay ...

When the mass air flow sensor is plugged in car will not ...

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When the mass air flow sensor is plugged in car ... car ran when it came in for water pump and intake ,,,,turbo hoses collapse immediately when started with sensor unplugged ,,, will not run ... i have 2000 passat turbo. the car dies when i hit the pedal and then when i let up on the pedal it revs up and goes like a rocket. it runs very ...

Unplugged MAF, now car won''t start Maintenance/Repairs ...

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· Hi, I watched a video online which said you can test your mass airflow sensor by unplugging it with you car running. I did this, the car died instantly, and now it won’t start (with or without the maf plugged in). Any i…

Answered: Maf sensor unplugged car run better but not like ...

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· When the mass air flow sensor is plugged in the car will stall. When you try to give it a little gas to keep it from dying it''s seem like it''s not getting any gas at all. When the maf is unplugged the car will idle and not die but when you drive it it will not take off fast or even a normal speed it very slowly gets up to speed even if you press the pedal more.

Mass air flow hooked up car wont run unplug it car runs fine

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Mass air flow hooked up car wont run unplug it car runs fine Answered by a verified Mitsubishi Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

How to Troubleshoot a Mass Airflow Sensor AxleAddict

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Answer: Most likely, the MAF sensor is bad. Question: My mass air flow sensor on an 88 Camaro reads 5volt reference between signal and ground while running and unplugged, on the ECM side, at idle. Shouldn''t the mass air flow sensor dictate the voltage going out to the ECM? While plugged in, there is erratic nondetectable voltage, on/off ...

Question: Better idle with Mass Airflow Sensor unplugged

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· Better idle with Mass Airflow Sensor unplugged. This is a discussion on Better idle with Mass Airflow Sensor unplugged within the General Help forums, part of the LSx Technical Help Section category; I have been chasing down an idle problem and decided to unplug the MAF to see if it would run ...

When the mass air flow sensor is plugged in car will not ...

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· When the mass air flow sensor is plugged in car ... car ran when it came in for water pump and intake ,,,,turbo hoses collapse immediately when started with sensor unplugged ,,, will not run ... i have 2000 passat turbo. the car dies when i hit the pedal and then when i let up on the pedal it revs up and goes like a rocket. it runs very ...

(''03''05) Stalls when MAF Sensor is plugged in SOLVED ...

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· Now that the motor is back in and everything is plugged in, the car will start and then immediately die. If I feather the gas I can keep it running but it is very rough (undrivable). No check engine light either. The interesting thing is that if I disconnect the MAF sensor the car runs smooth but idles around 3k rpms (very high).

Car runs with the mass airflow sensor unplugged. If you p...

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· Q: If you unplug the mass air flow sensor the car will start. If you try to plug it in while it''s running the car will die. My car has 90000 miles. My car has an automatic transmission. This is a sure sign of a shorted mass...

Bad Mass Air Flow Sensor? (7 Symptoms with Fixes) | The ...

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· 03/31/2021 10/22/2018. The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won’t start, a check engine light on the dash and a gas smell from the exhaust fumes. A bad mass air flow sensor is often the likely culprit if your car isn’t running as it should. The job of the mass air flow sensor ...

car won''t start with mass sensor plugged in

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· This usually means the maf sensor needs to be replaced. Either that or you have a large vacuum leak on the intake AFTER the mass air flow. If the sensor isn''t delivering the right info, then the computer will not make the proper mixture. Also, check your air filter. It might be plugged.

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

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· 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. That is because if the sensor is bad or giving a wrong reading, then the cars guess might be closer to the actual amount of air that the engine is getting giving you a more accurate fuel mixture.

maf sensor test? car still runs the same with it unplugged

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· I''ve read that as well. To me, information about the MAF is very confusing, My car runs well with the MAF plugged and unplugged, when the MAF is plugged my idle and redline readings are within spec but I run lean. If I unplug it, the car runs well and my readings for long term fuel trims go …

Unplug MAF sensor, Car still runs! | StangNet

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· Car is running, but rough. So i started tracking down the possible culprit. While doing so, my buddy unplugged the maf sensor and to our amazment the car kept running, didn''t bog hesitate or ''m done working on it for the day, but would like to have an idea for when tomorrow comes.

Car runs badly with Maf plugged in. Audizine

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· So I thought I had a bad maf sensor, and I bought a brand new unit. Replaced it, and still having issues. With the maf unplugged, the car hauls ass. No boost leaks, boost builds fine, just doesn''t pull AS strong as it would with the maf operating properly. With the maf plugged in, car builds boost until about 3500 rpm, then feels as if it opens the wastegates.

Reasons car will not start with unplugged MAF? NASIOC

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· Tried to do the factory recommended way of cleaning the IACV a little while ago which requires the IC removal and MAF to be unplugged. Car would not fire. Car should idle without the MAF plugged in as JSarv is saying so I want to know why mine is not starting. If the injector scalin/latency is off, well that is a problem I should fix.

car runs bad, unplug Mass air meter,then runs fine ...

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· 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.

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