couple of problems - 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 09-27-2005, 10:32 PM   #11
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also do I remove the solenoids before I start to spray the carb cleaner?
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Old 09-28-2005, 09:31 AM   #12
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Does anyone know if I should replace the EGR valve gasket and take off the solenoids before I start to clean the EGR with the carb cleaner?
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Old 09-28-2005, 09:50 AM   #13
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Yes on the new gasket.

Do the solenoids come out easy? I've never seen one first hand.
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Old 09-28-2005, 10:04 AM   #14
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Quote:
Originally Posted by BillBoost37
Yes on the new gasket.
Ditto on the gasket.

Three torx screws and the solenoids come right off. Scrub the pintles, springs, and housings, oil lightly. I'd use something with teflon in it.

Here a troubleshooting article that DrJay provided me some time ago. It helped a lot and has a bench test that I swear by (even taught my local parts store a thing or two with it):

http://www.wellsmfgcorp.com/counterp...erpoint3_4.pdf
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Old 09-28-2005, 08:41 PM   #15
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Well I took off and cleaned my EGR valve , after I put it back on and started the car it is idleing as if it'* skipping. It'* kind of jerking the engine. The boost gage is moving slightly and the rpm'* are moving a little also. DID I SCREW THE THING UP COMPLETLY? I'm also getting a 56 and 58 code after doing the ECM retrieval with the paper clip[/b]
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Old 09-29-2005, 12:21 AM   #16
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One thing at a time would help, but sometimes that'* not possible. Are those the ONLY codes you have?

58 Is a known bug in the 92 PCM. Ignore it always.
56 indicates a faulty boost control solonoid.

Did you get those codes AFTER clearing them and running?
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Old 09-29-2005, 09:17 AM   #17
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Yes those are teh only codes that came up.
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Old 09-29-2005, 11:44 AM   #18
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How much boost does the gauge show at WOT?
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Old 09-29-2005, 12:54 PM   #19
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What does WOT stand for again?
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Old 09-29-2005, 01:00 PM   #20
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Is that when I press all the way down on the gas peddle??
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