Several Questions/Problems 93 SSEI Rough Idle/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 08-05-2010, 09:32 PM   #21
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hey so i'm having the same problem right now, well have had this problem for a long time.. but anyways my mechanic found that three of my fuel injectors were bad and he replaced them and it ran excellently for a week but started running bad again today. so im gonna go ahead and replace the remaining three fuel injectors an i think that should do it.
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Old 09-02-2010, 04:00 PM   #22
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When the car engine is cold, try removing the egr valve and look for carbon deposit build up. Even just a little can cause the valve to stick and cause all sorts of problems. Scrap and wipe out the carbon deposits. Make sure the valve plunger moves easily. I've sprayed a spot of WD40 in there. Reinstall. Hopefully, this will help.
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