Question about 2002 Chevrolet Impala

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Check engine light on, car sputtering and dying while driving

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  • cacross617 Jun 25, 2009

    My husband is kicking himself for not thinking of the maf. Now, he wants to know the approx. location of it on 3.8 2002 impala...can you direct him to approx. area? Thanks so much. Hope this is it.

  • cacross617 Jun 25, 2009

    where is maf located on 3.8 engine...approximately?

  • cacross617 Jun 26, 2009

    Just came back from auto parts store: 02 impala does not have a maf sensor.

  • cacross617 Jun 27, 2009

    Thanks for all your help, knowledge and research! Will try this, and let you know. Appreciate your time and effort and obvious expertise.


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Maf or mass air flow sensor bad.

Posted on Jun 25, 2009

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  • Bruce Hathcock Jun 25, 2009

    it is normally on the front of the engine on the intake manifold, but go to the parts store give them the year and make and model and engine number see if they have one and if they do look at it and buy it take it home and look for it on the car it won't be hard to find when you have the sample.

  • Bruce Hathcock Jun 26, 2009

    it has to have a air flow sensor ask them what it uses to take barometric pressure and air flow volum mesurement it has one it just not called by that name, I will find out and post you the name of it later today.

  • Bruce Hathcock Jun 26, 2009

    this car has a mass air flow sensor, the part Number is 74-50015 and runs about $121.44 for a remanufactured one You can buy at schucks or nappa or Autozone so they guys you spoke to had no clue. go back and tell them this number and then ifthey don't believe that call your local GM dealer and they will tell you that it has one and that it will cause your problem. Hope this helps.

  • Bruce Hathcock Jun 27, 2009

    your most welcome, I don't want ya not having your car,andI know them things that byte in in the hind end, tried three day to figure one out checked every thing computer fuel pump plug wires on and on, and I was not charging for it cause I was not fing it then I saw that device on the car and askedsomoe what it was and they told me their funtion so bought it out of my pocket put it on then it ran like a new car! coustemer was happy my boss was happy and I am glad I got it fixed I thought I was going to have to marry it!


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