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Generic problem for all GMC Suburban Cars

My 1999 GMC Suburban is hard to start fir...




By luvscnn2 on Oct 12, 2009

" "
My 1999 GMC Suburban is hard to start first thing in the morning. It has to turn over for a while before it starts, almost like it has to wait for the fuel to get to the engine. After the first time, it starts fine all day. Could it be losing fuel pressure after it sits for a while? Any help would be appreciated. Thanks.
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Best Solution

posted on Oct 12, 2009
Very Helpful)

Gort007
Gort007

Rank: Guru  Cars  Expert
Rating: 89%, 507 votes
Yup!
The fuel pressure valve is stuck open and drains the fuel (via gravity) back to the tank.
Check the fuel pressure regulator / replace.

You might want to put a bottle of "complete fuel system" cleaner ($8 AutoZone) in the gas (not diesel) tank, next fill-up. It may do the trick in a couple of days.
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" Thanks for your reply! I'll add the fuel system cleaner tonight and check the pressure regulator this weekend. Thanks again. " - luvscnn2

This Problem Also Relates To: 1999 GMC Suburban 1997 GMC Sierra 1999 GMC Sonoma 2002 GMC Yukon XL 2004 GMC Yukon 2007 GMC Yukon 1996 GMC Sierra

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