Question about 1999 GMC Jimmy

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I have a 1999 GMC jimmy we are having problems getting it to start after it has been setting all day and the tempature is cooling down outside around the 50 degree,my wife grinds on it for a few minutes and it will not start I get there 15 minutes later and it starts wright up.Do you think this could be a fuel pump problem our a gas cap issue.

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I think it could be a fuel pump problem if the car turns over and does not start. To check this, put a few tablespoons of gas down the intake, or spray starting fluid into the throttle body (intake).

If it starts right up, then you have a fuel delivery problem in this vehicle.


What, may I ask is the 'grinding' that you are experiencing?

Posted on Oct 07, 2010

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Posted on Jan 02, 2017

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