New fuel pressure check reading - performance-caused? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-11-2007, 11:11 PM   #1
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Default New fuel pressure check reading - performance-caused?

If I have a fuel pressure reading that'* just below 40psi, or right above 2.5 bar, at idle, that'* fine, right? The fuel pressure jumps to around the high 40s with just some gas added, so that'* just over 3 bar. Am I still all right? I have a calmly running engine with a 2.6" pulley, and I was wondering if running the engine like this may have stressed out the fuel pump so as to pump less fuel (by a couple PSI) over some time. The car seems good, and the fuel pump is quiet and consistent. Need I worry?
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Old 11-11-2007, 11:34 PM   #2
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Moved to 92-99. This is where you need to post mechanical problems/questions.
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Old 11-11-2007, 11:47 PM   #3
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Quote:
Originally Posted by willwren
Moved to 92-99. This is where you need to post mechanical problems/questions.
I debated this for a while, but it was really hard to say exactly which forum I needed to use. I thought the P&B area would have been good to talk about fuel pressure and performance, and I don't believe my engine is showing any signs of trouble or anything like that. In fact, it'* my transmission and its surrounding wheel bearings, tie rod ends, and struts that need help very badly. I'm on that, as I already have the struts.
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