Question about 1999 Chevrolet Silverado 1500
1999 5.3 vortec silverado 4x4. Engine intermitently starts hard and runs rough for a minute or two then clears out, has new fuel filter, fuel pump and everything internal to the fuel tank is new. Vehicle has 106.000 miles on it and the filters were changed before and again after fuel pump replacement. I don't know the actual fuel pressure but the pump was changed due to low pressure and the fuel pressure supposedly returned to normal so I was told. Any sugestions?
Had a similar problem and turned out to be a fuel regualtor.
Be careful with the little o-ring. Tricky little devil.
There may be residual pressure in the line so be careful you don't take a shower in gasioline.
It was hard to start after warm up. Rough idle until driving. Then on shut off it was hard to start.
Posted on Sep 04, 2010
Pull the plug and inspect the color, are any of them whitish, could be coolant leaking into the combustion chamber,
Posted on May 13, 2010
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Posted on Jan 02, 2017
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