Question about 2000 Audi A4

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Will not run with airflow meter plug in runs unplug ok

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THE AIRFLOW METER IS DEFECTIVE, REPLACE IT.

Posted on Sep 29, 2009

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1 Answer

Why is my 2003 nissan Pathfinder stuttering and bucking all of a sudden?


Try unpluging the M.A.F. (Mass airflow meter) It will be on the intake pipe between the air filter and turbo. Start it up if it run's ok then replace. It will run without one but will be less MPG and may cause other problem's over time if not replaced

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How do you know if the master airflow sensor is running properly?


I would say that if the engine is running ok with it unplugged then it is not working when you plug it up . Replace the sensor.

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Have a n16 pulsar will not idle when it gets to running temperature can the idle be adjusted


no they cant, could be an air leak after the airflow meter, could be a faulty air flow meter or faulty idle motor. with nissans computer can carry out an "idle volume learn" that will reset the idle motor. or even check the basics, oil level and spark plug condition

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1985 toyota camry unplug mass air flow sensor engine will start plug back in engine dies


There is a switch in the airflow meter that keeps the fuel pump relay closed as long as there is airflow. With the meter unplugged, the pump should not run except when the key is turned to start. It would seem to me that you have a wiring issue. Try jumping the fuel pump relay so the pump runs whenever the key is on. (Remove the relay and jump the pump wire to the accessory wire--see top left diagram.) This defeats the safety feature but will keep the pump running.

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Oct 30, 2017 | 1993 Toyota Camry V6

1 Answer

Wont run with the airflow meter pluged in , it also runs really lumpy on tick over but revs up fine. when you try and maintain a set speed it stutters. i need help its doing my fu##### head in...


Hi Steve, Problem is more than likely the AIr Flow Meter, is quite a comon fault and does allow the car to run while it is unpluged but you will use a lot more fuel!!

Aug 10, 2011 | BMW 318 Cars & Trucks

1 Answer

The engine willnot idle//but when i remove the connection plug that sits on the hose from air filter it runs -idles ok. enfine is like straving for air//i remove hose from air filter and it runs good/i...


this is the mass airflow sensor you are unplugging. most of the time this means it is defective. however without a scantool to see what the mass airflow meter is reading it will be hard to determine it is indeed bad. it is a good indication though.

Jan 13, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

My 88 nissan terrano is hard to start but when warm starts ok


You need lighter and gasoline. use it in to your car.

Feb 25, 2009 | 1995 Nissan Pathfinder

1 Answer

Car starts fine, but dosent run


unplug your mass airflow sensor and see if it will run more consistently is wont run great, but better if there is a problem with it, it is located in line of the air intake coming off the air box, if that helps look inside the air box for a rats nest plugging the air meter please rate -jeff

Aug 23, 2008 | 1998 Volkswagen Jetta

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Ford fiesta not running great


Did you change the spark plugs and wires?

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