Is this knock retard? - 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 09-17-2008, 07:44 PM   #1
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Ok this is bugging the crap out of me.When im driving in overdrive and im cruisin at 55 at 1500 RPM, when I hit the gas the rpms will go up a tiny bit and just go back down, the car will still eccelerate just VERY slowly.
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Old 09-18-2008, 12:32 AM   #2
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Knock Retard Or KR is something the PCM will do to protect the engine. It will pull timing. So under WOT you my have 15* of timing and the PCM thinks the engine could be damaged to it my pull 3* from that giving you 12* Under normal driving you should not see any KR.
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Old 09-18-2008, 09:32 AM   #3
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i don't think it should accelerate that slowly...
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Old 09-18-2008, 04:06 PM   #4
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Oh its SLOW, i got the granny gears which is quite the disappointment, i have NO acceleration in overdrive i have to downshift into 3rd in order for me to go anywhere.

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Old 09-18-2008, 04:17 PM   #5
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If it'* not shifting then it'* going to be slow. Even mine is doggy until it drops a gear or two.
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Old 09-19-2008, 09:06 AM   #6
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It shouldn't be that doggy. When was your last tune up etc?
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Old 09-20-2008, 12:16 AM   #7
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Even third gear is doggy, ive had the car for three years and it was given a tune up right after i bought it, i keep up with all fluid changes and any other keep up. Ive also cleaned the MAF sensor and most of the throttle body. Dont get me wrong it runs very good its just very sluggish pretty much all the time.
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Old 09-20-2008, 09:07 AM   #8
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Do you know of anyone near you that can scan the car?
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Old 09-20-2008, 03:25 PM   #9
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My buddy has a scanner and there has never been any codes or any ses lights ever come on since ive had it.
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Old 09-20-2008, 03:44 PM   #10
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Sorry, wasn't clear on that, my fault. Enhanced scan. Something that will tell you what'* going on. Where are you located?
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