will car run with mass air flow sensor unplugged

I unplugged the mass air flow sensor and it runs fine but ...

· I unplugged the mass air flow sensor and it runs fine but if I plug it back in the car almost immediately dies. Will it - Answered by a verified VW 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. By chatting and ...

Get Price

Chat With WhatsApp

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 ...

Get Price

Chat With WhatsApp

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

· 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 ...

Get Price

Chat With WhatsApp

How long can I drive with MAF unplugged? -

· Mass airflow sensors (MAF) have no expiration date. They are not included on the manufacturer's scheduled maintenance list of things to replace based on mileage, like spark plugs or filters. They can remain in service indefinitely as long as they continue to function correctly. Then, why would a car run better with the mass air flow sensor ...

Get Price

Chat With WhatsApp

Can I run my car with MAF unplugged? –

· 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. How long can I drive with a bad mass air flow sensor?

Get Price

Chat With WhatsApp

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

· 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.

Get Price

Chat With WhatsApp

What happens if I unplug my MAF sensor?

· Similarly one may ask, 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 .

Get Price

Chat With WhatsApp

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.

Get Price

Chat With WhatsApp

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

· Most cars will run in a preconfigured rich mode when the MAF is unplugged and also go off other sensors like old guy stated. I got burned real bad doing only this test on my Infiniti tracing down a huge vacuum leak. A Nissan master tech told me to do this same test and when I did it, I figured oh okay my MAF is bad. I ended up wasting 300 bucks on a perfectly good working part. The problem ...

Get Price

Chat With WhatsApp

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

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.

Get Price

Chat With WhatsApp

Does mass air flow sensor need replacing if unplugged and...

· Car is having trouble starting after I have driven it. I have to crank the engine for about 30 seconds until it starts. Mechanic tells me I need to remove and replace mass air flow sensor, but I unplugged it and the car shut off so is that not the problem? On other forum someone was having the same issue as I and said it was his cam shaft postion sensor that was the problem. Just wanted …

Get Price

Chat With WhatsApp

Why Car Run Better With The Mass Air Flow Sensor Unplugged?

What Does Mass Air Flow Sensor Do? The Mass Airflow Sensor detects what quantity of air goes into the car’s engine in order that it will push the correct quantity of fuel. A combination of fuel and air within the correct magnitude relation ends up in Combustion, which keeps the automobile running swimmingly.. Different types of mass airflow sensors use completely different techniques to live ...

Get Price

Chat With WhatsApp

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

· All the sensors are there and plugged in, just no tubes running to them. I do have Cats, and i do have a smog pump hooked up to pump air into the cars (high flow x pipe). So TB, sensors, MAF its all stock. Third> I've hooked up the airbox, plugged in the MAF with the car off. As soon as i start the car, she'll run then die. I then unplug the ...

Get Price

Chat With WhatsApp

Professional gas sensing solution supplier with over 30-year gas sensor manufacturing experience Contact Us