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I have a 1999 siverado w/4.8 truck will not stay running it fires but wont stay running

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CHECK FOR CODES. GOOD POSSIBLE PROBLEM MAY BE VACUM LEAK OR IDLE AIR CONTROL VALVE

Posted on Dec 15, 2014

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Check the air filter to see if that is plugged or real dirty. Otherwise, check the fuel pressure. If you don't have a pressure tester, most garages do.

Posted on Dec 15, 2014

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1 Answer

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Feb 13, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

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My guess would be the same as yours. Good job.

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1 Answer

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1 Answer

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Sounds like a fuel problem, when was the last time the fuel filter was chg.? If that is not an issue, than a fuel pressure test is in order, It should have around 48 to 50 p.s.i.

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