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2005 Buick Rainier Question: Hard Idle Then Dies

 

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Youngtiff80, 4.2L 6 Cylinder, Paris, KY, March 04, 2011, 12:04
 Rookie

My 2005 Buick Rainier has started doing a hard idle then it will die but no warning lights or anything will come on when this happens. What can cause this problem?

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  • Answer #1

    March 04, 2011, 15:08
     Master

    My first thought is that the fuel pump is failing. Check the fuel pressure.
    Here's a directory list for you if you want a specialist to look at it:
    https://repairpal.com/directory?address=40361&car_brand_names=Buick

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    Youngtiff80, March 04, 2011, 17:30
     Rookie

    Thank you very much. This is really aggravating because when no warning lights, check engine lights or anything come on in the car, it doesn't give me much to go on. At first I thought there may be a sensor that needs to be replaced but I never thought about the fuel pump.

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