*shrugs*Why so sluggish? - 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 06-17-2005, 07:22 PM   #11
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Bad gas maybe? My check engine light would come on everytime I bought gas at Kroger...Must have had water in their tanks cause when the tank ran low I'd fill up somewhere else and all was fine.
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Old 06-18-2005, 02:28 AM   #12
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ive gone thru 5+ tanks since it acted up.... i dunt think its the gas..
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Old 06-18-2005, 02:45 AM   #13
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Quote:
Originally Posted by russianpolarbear
Cat is just over a year and a half old... could it get clogged that quick???
By the way I checked the plugs and they are bone dry.
I didn't expect your plugs to be wet. I need to know what COLOR they are, describe the deposits on them, and tell me if all 6 are identical or if one or two look slightly different.
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Old 06-18-2005, 10:44 AM   #14
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keep digging. If you checked out most sensors, do you have a PCM you could swap and try out? could act up when it gets hot.
Also I had the same prblem with a bad tank of gas. Car would not act right until I put isopropal gas dryer in.
Have you checked fuel pressure? regulator? injector pulse?
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Old 06-19-2005, 12:51 AM   #15
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Default Re: acting up

Quote:
Originally Posted by SSEBONNE4EVA
keep digging. If you checked out most sensors, do you have a PCM you could swap and try out? could act up when it gets hot.
Also I had the same prblem with a bad tank of gas. Car would not act right until I put isopropal gas dryer in.
Have you checked fuel pressure? regulator? injector pulse?
I does seem like its been acting up more with the hot weather.....also the color on the plugs was yellow in hue...
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Old 06-19-2005, 01:02 AM   #16
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If it'* tan, that'* normal for AFR. More yellow would tend to be lean. What'* your fuel pressure, and how old is your fuel filter?
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Old 06-19-2005, 01:03 AM   #17
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Just changed the filter and the FP checks out.
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Old 06-19-2005, 01:21 AM   #18
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It'* really time to get a scantool on that thing. Anyone near you that has one?
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Old 06-19-2005, 01:08 PM   #19
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I dont know of anyone
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Old 06-19-2005, 01:44 PM   #20
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Did you check the Scantool Registry in Techinfo, and the sticky in General Chat?
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