C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

No kickdown?

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Old Feb 8, 2006 | 05:51 PM
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Default No kickdown?

Took my 95 C4 auto in for a new O2 sensor a while back.
It smelled like burning plastic for a while afterwards, no smoke or problems. Aftermarket sensor went south in 1200 miles, took it back for a GM replacement. Now I noticed today- no kickdown action.
Sound like a roasted harness or something?
-Mike
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Old Feb 8, 2006 | 07:01 PM
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Originally Posted by scmboy
Took my 95 C4 auto in for a new O2 sensor a while back.
It smelled like burning plastic for a while afterwards, no smoke or problems. Aftermarket sensor went south in 1200 miles, took it back for a GM replacement. Now I noticed today- no kickdown action.
Sound like a roasted harness or something?
-Mike
Sure Does, or the vette gremlins were roasting mashmellows on your cats.
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Old Feb 8, 2006 | 10:21 PM
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Have you actually got under the car to look and see what is going on ? I would look at the exhaust and all the wires running near it and see if anything got loose and melted.
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Old Feb 9, 2006 | 11:08 AM
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Originally Posted by rayosequis
Have you actually got under the car to look and see what is going on ? I would look at the exhaust and all the wires running near it and see if anything got loose and melted.
Not yet, just noticed it yesterday.
Obviously I am not driving it like I should!
-Mike
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Old Feb 9, 2006 | 02:22 PM
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Anyone happen to know offhand how the kickdown works on a 95 auto?
Is it operated from the main transmission harness?
I smell $$$ as well as burning plastic.
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Old Feb 9, 2006 | 06:07 PM
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Originally Posted by scmboy
Anyone happen to know offhand how the kickdown works on a 95 auto?
Is it operated from the main transmission harness?
I smell $$$ as well as burning plastic.
Your '95 has an electronic trans. and so like the engine, most functions are controlled by the PCM.
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Old Feb 9, 2006 | 08:50 PM
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I believe the kickdown works off of the TPS.
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