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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 10-23-2007, 11:12 PM   #1
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Default Reset Computer - Engine purrs ... a week later - poor acel.

My '95 SSEi (168k) has been experiencing a puzzling dilemma for quite some time now.

If I reset the computer (by disconnecting the batter for 15 minutes) my car will purr like a kitten for about a week and a half.

After that it'* hit and miss, but generally experiencing sluggish acceleration. If I repeat the cycle and reset the computer again, I'm rewarded with another week and a half of crisp acceleration and good mileage

I've given it a full tune up, including the front O2 sensor, but not the rear O2 sensor.

I get no check engine lights, but I do have a Traction Control sensor that is not functioning. I don't have the money to fix the traction control, but if it'* the cause of my sluggish acceleration problem, then I'll pony up.

Has anyone had a similar problem?
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Old 10-24-2007, 12:02 AM   #2
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Default Re: Reset Computer - Engine purrs ... a week later - poor ac

Quote:
Originally Posted by james7bond
My '95 SSEi (168k) has been experiencing a puzzling dilemma for quite some time now.


I've given it a full tune up, including the front O2 sensor, but not the rear O2 sensor.


Has anyone had a similar problem?
If I'm not wrong 95 SSEi has only one O2 sensor.
At least I didn't see another one on my SSEi.
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Old 10-24-2007, 07:43 AM   #3
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You won't want to hear it. But it'* probably a bad pcm. The only true way to find out is replacement. This cures most problems that can't be found on 94/95'*.
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