WILL NOT START

1999 GMC Sierra

Tiny

boydj

June, 30, 2010 AT 6:03 PM

Engine Mechanical problem
1999 GMC Sierra V8 Four Wheel Drive Automatic 136000 miles

The motor will turn over but, will not start. I hav e replaced the fuel pump. The engine has fire. What else can I check?

FOUND 51583 RELATED QUESTIONS

2 Answers

Tiny

rasmataz

June, 30, 2010 AT 7:13 PM

If you can hear the fuel pump come On for 2secs-do below

Verify the fuel pressure if its within specs if okay -check if the injectors are pulsing-let me know

Tiny

internetmechanic

June, 30, 2010 AT 7:19 PM

I'd have to use a gage and check fuel pressure. What is litre size of engine?


http://www.2carpros.com/forum/automotive_pictures/512072_sierra_fuel_pressure_1.jpg

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