Help... Bad miss

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Oct 22, 2004 | 01:51 PM

davette

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Pro

Joined: Sep 1999

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From: San Jose, Ca./Kona, Hawaii

Help... Bad miss

Last night while just crusing along, the car started to miss badly.

First of all, I determined the cylinder in question is drivers side, second back from the firewall. Not sure of the cyl #. The header pipe is colder than the other seven.

I checked spark. Getting plenty. Shocked myself checking

Checked the plug. Looks fine. Nothing broken. Charcol grey color.
Then I checked the fuel injector. I switched with another hoping the problem would migrate to another cylinder so I could just replace the injector... NOT! Same problem, same cylinder.

So, I've determined is it most likely not a fuel or spark issue to that cylinder.

What does that leave me with? Valve or spring issue?

I am getting NO trouble codes.

I had heads and cam done about six months ago at AA corvette....

Oct 22, 2004 | 02:05 PM

My2Dogs

Burning Brakes

Joined: Sep 2002

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From: Dothan AL

....pop the valve cover off on that side. Sounds like you may have a broken spring or rocker.

Oct 22, 2004 | 02:08 PM

My2Dogs

Burning Brakes

Joined: Sep 2002

Posts: 924

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From: Dothan AL

........pop the valve cover on that side. Sounds like a broken spring or rocker.

Oct 22, 2004 | 03:40 PM

davette

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Joined: Sep 1999

Posts: 545

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From: San Jose, Ca./Kona, Hawaii

I did a compression check in that cylinder. Just fine.
I've switched the coil pack, wires, fuel injector, and plugs with the neighboring cylinder. Still same problem. :-(