Question about 2000 Chevrolet Impala

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2000 impala,changed filter,changed,fuel pump,will miss and stop running in 5 minutes,but starts up and runs in that time frame.then acts like no fuel .pump is at 52#.40# when running.if i tap on flat thing on top of thottle body.it stops running,what is this...

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If it is a 3.8 L it is the mass air flow sensor.You can try to unplug this and see if it allows the car to stay running.It will turn the engine light on but you will be able to tell if that sensor has failed or is failing.

Posted on Mar 20, 2011

  • gmurray4 Apr 28, 2011

    I have the same problem with my Impala now, I'm am going to try this(I hope it works because I have tried everything so far) and I will post back and vote aswell.
    thanks jsmes 1027

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