Question about 2003 Chevrolet Silverado 1500

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Son has a 2004 Chevy Silverado 1500 5.3 4X4 Truck acts like it wants to die until he steps on the gas and then the problem goes away. The exhaust has a gassy smell. Parts guys are telling him it is the fuel pressure regulator. Problem--where is the fuel pressure regulator on this model truck? He has been told it is in the engine compartment, it is in the gas tank and also that this vehicle doesn't even have a fuel pressure regulator. Guys at NAPA say there has to be one as they sell the part. Any clues? Chevy dealerships say it would cost $500 to fix (part is about $65?).

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I had the same problem with my 2005 Chevy Silverado 1500 5.3 4x4. It sounds like the 02 sensor.I believe there are 4 .My was the upper left bank. I had my done at the dealer and they diagnosed it with a scan test.

Posted on Jan 11, 2009

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