96 stalling problem--- Solved! Fuel pr regulator - 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 01-31-2007, 10:57 AM   #1
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Default 96 stalling problem--- Solved! Fuel pr regulator

Hi , I bought a really nice 96 SE with 88k miles for my girlfriend a month ago and after a couple weeks it started stalling at idle sitting in traffic or when you let off the gas to slow for a light or whatever. I cleaned the terminals at the battery and then checked between the neg bat terminal to the chassis and to the engine block with a voltmeter and had megaohms of resistance so I cleaned the ground cable at the engine and the starter positive cable while I was under there. Now the ohm meter said .2 ohms between the neg battery post and the engine or car chassis so I figured that I was good now but no luck. Started looking at other things and pulled the vacuum reference line off the fuel pressure reg and had fuel seeping out of it at idle and every 8 or 10 sec it would shoot out a squirt of fuel. Replaced the regulator $46.00 at autozone. Takes like a minute to change all you need is a small pair of snap ring pliers. Good to go now car runs perfect. Will see if mileage improves any without that regulator squirting fuel into the vacuum line all the time. Was still getting 25mpg before. Maybe this info will help someone.. Later, Dave
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Old 02-01-2007, 02:16 PM   #2
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Thanks for the post, Dave!

This is a quick reminder for those folks we tell to check for fuel or vapors in the FPR vacuum line.

Your story is a perfect example.
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