Question about 2004 Chevrolet TrailBlazer

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The truck starts good when it is cold and when it is warmed up it turns over a while before starting. some one told me it might be a fuel vacuum pump.

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Sounds like you have fuel pressure bleeding off. Leaking fuel pressure regulators are really common on these. Fuel pumps can also cause this to happen. The first thing I would do is check fuel pressure. If it doesn't hold pressure than its leaking out the regulator or the check valve in the pump is bad.

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Posted on Sep 28, 2010


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