Replace fuel pressure regulator - Page 2 - 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 12-28-2007, 10:59 AM   #11
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Lower LEFT in the lower pic.
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Old 12-28-2007, 05:47 PM   #12
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Yeah I kinda figured that, going to check it tomorrow. Thanks guys.
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Old 12-29-2007, 11:59 AM   #13
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If I pull the vacuum line to it, I smell gas on the line itself, this means it'* bad? Also, what is the exact procedure for changing it, I don't seem to see how cause it looks integrated into the fuel rail.
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Old 12-29-2007, 12:19 PM   #14
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If you smell a strong gas smell, change it. There'* a retaining ring around the base. The FPR sits in a 'socket' in the fuel rail. Then you pull it out (it'll fight you).
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Old 12-29-2007, 02:17 PM   #15
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I ordered a new one from Advance Auto Parts for $50, picking it up tomorrow. The fuel smell was strong enough to be smelled quite a few minutes after. Do I have to de-pressurize the fuel system first or let the car sit for a while or what? What does the ring look like and what do I do with it to remove it? After the ring is out, I assume I just pull the unit up and out?
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Old 12-29-2007, 03:35 PM   #16
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Relieve fuel pressure by bleeding the pressure fititng at the rail with a screwdriver and a rag wrapped around it.

Look at your FPR. You'll see the ring inside the base.
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Old 12-30-2007, 02:23 PM   #17
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Got it changed out, the only issue I had was getting the ring back into place after the new FPR, had to convince it to fit. Seems to be working good, and I see no leaks.
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