94 L27 Fuel Pressure? - Page 3 - 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 09-10-2006, 04:32 PM   #21
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Ok i tested my fuel presure while driving, Just crusing at speed at like 60 mph its about 38..

When i had it floored up to 70PMH it stay at 42-44psi the whole time.

One time when i was stoping from 60pmh to a stop at around 45mph its starte to drop way low to 35 then to 30 then to about 22psi, but as soon as i got on the gas again it went right back up to around 38-40ish.
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