Question about 2002 Pontiac Grand Prix

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02 sensor problem

I went and had my grand prix looked at and i was told it was the 02 sensor and the guy showed me where it was and for a quick fix he said to buy carb and choke cleaner and spray the inside is this true

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  • yadayada
    yadayada May 11, 2010

    We are talking about the part in the exhaust pipe?



1 Answer

Did your "check engine light" come on? If it did, then a mechanic would put a scope on your car's computer to read the malfunction code. The print out would indicate if the check engine light appeared because of a faulty O2 sensor. If you have a faulty O2 sensor it will need to be replaced since this it is the source of information for your car's computer with respect to fuel mixture.

Posted on Sep 12, 2008

  • tomi welch Aug 31, 2011

    We have a 2002 gran prix did same thing. Issues began with stalling while driving. Then when trying to retart it wounded like the motor would fall thru to the ground....all of a sudden would start and run like it was new. We have spent nearly$ 4000.00 new trans, new alt, batt, new cat conv, both O2 sensors, fuel inj, new radiator, and finally comp board. And it still will not start......HELP



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