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Stumbling on acceleration

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Old Oct 7, 2006 | 05:40 PM
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From: Chandler az
Default Stumbling on acceleration

I just bought a C5 6 speed and noticed that when I start to accelerate from a complete stop or accelerate in a higher gear the engine will stumble then begins to accelerate. There is no codes showing.
I've read some other threads of this problem but none seem to explain anything in detail other than it could be fuel, electrical, air....
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Old Oct 7, 2006 | 07:42 PM
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It could be any number of things. You could have a fouled spark plug, an clogged injector, bad sensor, etc. While it may not be throwing any codes it might be wise to check the small stuff first and if that isn't the problem I would take it to a trusted mechanic and have them give it a once over.
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Old Oct 7, 2006 | 08:34 PM
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From: Chandler az
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Thanks for the info. My plan for tomorrow was to take the plugs off and inspect and if needed replace them.
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Old Oct 7, 2006 | 08:53 PM
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Fuel Filter
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Old Oct 7, 2006 | 10:23 PM
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Originally Posted by Herringchoker
Fuel Filter
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Old Oct 7, 2006 | 11:07 PM
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Air filter did it to me.
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Old Oct 8, 2006 | 04:33 AM
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Could even be a bad tank of gas that you got.
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Old Oct 17, 2006 | 07:25 PM
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From: Chandler az
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Well...I ended up changing the plugs and while I was installing the plug wires back I happen to notice that on one of the wires, the insulation had completely worn through and exposing the core wire. I bought a new set of wires and sure enough....the car is purring like a kitten. I cannot beleive what a difference it made. It is so smooth on take-off and acceleration. That wire must have been shorting out
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Old Oct 17, 2006 | 10:50 PM
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Originally Posted by jnfigueroa
Well...I ended up changing the plugs and while I was installing the plug wires back I happen to notice that on one of the wires, the insulation had completely worn through and exposing the core wire. I bought a new set of wires and sure enough....the car is purring like a kitten. I cannot beleive what a difference it made. It is so smooth on take-off and acceleration. That wire must have been shorting out
Congratulations.
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Old Oct 18, 2006 | 11:07 AM
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1st thing check the fuel pressure. might be a bad pump.
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Old Oct 18, 2006 | 11:14 AM
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Originally Posted by jnfigueroa
Well...I ended up changing the plugs and while I was installing the plug wires back I happen to notice that on one of the wires, the insulation had completely worn through and exposing the core wire. I bought a new set of wires and sure enough....the car is purring like a kitten. I cannot beleive what a difference it made. It is so smooth on take-off and acceleration. That wire must have been shorting out
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