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Old 04-25-2009, 03:26 PM   #22
dmarty
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Join Date: Dec 2008
Location: Verona, WI
Posts: 100
Re: 99 Silverado Rough Start

This post is long overdue. Turns out it was not the TB. Problem returned after the outside temp warmed up. It was real cold (single digits) when I cleaned the TB but when the temp got back up in the 30's the problem returned. Let it sit 2 hours after running and put a fuel pressure gauge on it and had 0 psi. Pulled the vacuum line and gas ran out. Put in a new press reg and it's been running fine now for 2 months. Problem solved.
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72 GMC Sierra Grande SWB 402 BB A/C
(Owned it since 1973)

99 Silverado 1500 LT with 315K miles
(RIP)

2012 GMC Sierra SLT
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