help, car studdering, knocking, low on power...
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Joined: Feb 2005
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help, car studdering, knocking, low on power...
It started last night, upon acceleration it studders and stumbles, at 60mph in 6th the tach on the HUD bounces up and down a digit, and in neutral I heard a deep distinct knocking noise a few times.
Something similar happened to me in the past with a 94 LT1, the "studdering" was more abrupt but less frequent. It turned out to be a spark plug wire, and one of the cylinders wasnt firing.
I think its most likely a fouled plug or two, but Im not sure. A spun rod bearing came to mind but I think that is more audible, especially from the engine bay although Ive never heard a spun rod bearing before.
I also thought that maybe It's a bad batch of gas, but I got my 91 from the usual Chevron that I usually get from. So it wasnt like it was a no name station Ive never been to before.
I wasnt driving it hard last night, just normally shifting at 2k and treating it nicely when it happend. What is this most likely? I really can afford a bottom end right now, so if its more than a spark plug Im sorry to say that I might be trading down to maybe a 350Z.....
Something similar happened to me in the past with a 94 LT1, the "studdering" was more abrupt but less frequent. It turned out to be a spark plug wire, and one of the cylinders wasnt firing.
I think its most likely a fouled plug or two, but Im not sure. A spun rod bearing came to mind but I think that is more audible, especially from the engine bay although Ive never heard a spun rod bearing before.
I also thought that maybe It's a bad batch of gas, but I got my 91 from the usual Chevron that I usually get from. So it wasnt like it was a no name station Ive never been to before.
I wasnt driving it hard last night, just normally shifting at 2k and treating it nicely when it happend. What is this most likely? I really can afford a bottom end right now, so if its more than a spark plug Im sorry to say that I might be trading down to maybe a 350Z.....
