Car jumped...need advice as to what it is. - 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 09-11-2005, 08:11 PM   #11
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Quote:
Originally Posted by VigCS
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Throttle Position Sensor..

I'm thinking it'* either seeing an incorrect amount of air or a bad throttle position.

However I've asked for other gearhead/admin/mod input ... hopefully we'll have something for you soon.
Okay, thanks a lot. This doesn't sound like a transmission problem to you?
If you have your foot on brake and slide it in and out of gear..it doesn't jump.. so no...unless the torque converter is locking or your TCC solenoid is only locking for a second..but that'* not typical.
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Old 09-12-2005, 12:49 PM   #12
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..anyone else have any ideas?
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Old 09-12-2005, 01:08 PM   #13
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I'm thinking more along the lines of MAF.... But you'd really have to watch the data stream on the scantool to have an idea of whats happening...

The TPS is used for both fuel calibration, and Load characterstics... The PCM uses the TPS to watch the amount of engine load, which is a large part of how the PCM controls the trans...

This car does sound like it has some other issues that may need to be looked at... Just not sure what they are at this point..

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Old 09-12-2005, 03:07 PM   #14
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Judging by the pics he just sent me, he has a torn CV boot and his CV joint is shot. Green goo everywhere.
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Old 09-12-2005, 03:46 PM   #15
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Judging by the pics he just sent me, he has a torn CV boot and his CV joint is shot. Green goo everywhere.
That can cause a lot of trouble...

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Old 09-13-2005, 10:28 AM   #16
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My car did the same thing about a month ago, but ironic as it is, this morning, while on the off-ramp , I was coasting, and when traffic cleared, I stepped on the gas, and my tranny acted as though I was in neutral, and then slipped back in gear. I can't help but think it'* related to the jumping thing we're discussing here.

Any advice would be very much appreciated. I hope I don't need a tranny, That would make me mad as heck. I can barely afford gas these days..

Sam

edit: I wanted to add that this off-ramp was a huge circle. Maybe that played a role?
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Old 09-13-2005, 10:32 AM   #17
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Get it scanned, or check your fluid. Consider a flush. Slipping is a whole different ballgame.
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Old 09-13-2005, 10:34 AM   #18
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Sam...my understanding of the posters problem is sitting at a stop w/foot on brake and the car surged or jumped forward. A slipping transmission would seem unrelated. Please start another thread, check tranny fluid level.
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Old 09-13-2005, 10:37 AM   #19
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Quote:
Originally Posted by willwren
Get it scanned, or check your fluid. Consider a flush. Slipping is a whole different ballgame.
I was doing a routine check on fluids a week ago, and my tranny fluid looked fine, but I'll check it again today, to be sure it'* up to par.

see the edit in my last post... Not sure if that makes a difference.
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Old 09-13-2005, 10:39 AM   #20
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Quote:
Originally Posted by BillBoost37
Sam...my understanding of the posters problem is sitting at a stop w/foot on brake and the car surged or jumped forward. A slipping transmission would seem unrelated. Please start another thread, check tranny fluid level.
Based on that, I'm going to assume my issue today isn't related to the problem I had which is similar to the poster'*

I'll check my fluid again. I think I'm probably due for a new tranny filter, so this would be a good time to get that done...

Sam
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