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.

Posted on Sep 28, 2010

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