tps problem fixed, next problem...... - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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tps problem fixed, next problem......

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Old 08-01-2005, 07:55 PM
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Default tps problem fixed, next problem......

well saturday i was speaking with someone about my tps sensor that went bad. well i changed it and it idles great, throttle response its 10 fold, and acceleration 10 fold.
well now my problem is after i let off the gas between 1500 and idle(800) rpm the motor shakes like all holly heck. and you can fell it throught the whole car. well i flashed the computer and there are no codes stored. could this just be something stupid like a fowled plug?? i just changed them not long ago though. any ideas???
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Old 08-01-2005, 09:52 PM
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No idea if your car suffers bad harmonic balancers like we do...but it might be starting. Check the rubber for cracking and whatnot
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Old 08-02-2005, 03:06 AM
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A harmonic balancer won't cause shaking, just rattling noises.

Use the procedure in the FSM or Chilton'* #28200 to adjust the TPS. Or get a scantool on it to see if the TCC is disengaging when requested.
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