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Originally Posted by sptyler
 I have a 99 lumina 3.1 engine v6. It starts to jerk after you have driven it for over an hour or so. It jerks when you accelerate up hills or slight inclines or sometimes on straight roads, but mostly accelerating up a hill. The jerking is intermittent you never know when it will start. If you take your foot off the accelerator pedal it stops and when you push down on the accelerator it doesn't do it as bad but can feel some slight jerking. I have driven it in overdrive and just drive and it still does it. I have had the plugs, wires, fuel filter, you name it it was done at the dealership and it still doesn't run right. I spent $798 dollars at the dealership on the above items. So I'm leary about taking it back to the dealership. Could this possibly be the TCC solenoid acting up?? |
Welcome to AF, what you describe could be a classic engine misfire, bad injector one possibilty, the tcc could be " chuggling from wear, or the tps could be causing it to lock and unlock, issue here is how about $800 spent and the same problem. If you brought it in for this issue, drop it in their lap and speak to SM, either they fix it or refund your money as a result of " ineffective" repairs.