Quote:
Originally posted by Nixon1
So you have to pull a valve cover in order to do a compression test for a bad head gasket??
Also, just for my own information..with a blown head gasket, what about that would cause the engine to misfire in low rpms only? (Less than 1000)
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no, you don't have to pull the valve cover to check compression... you do that by unscrewing each spark plug and checking that cylinder's compression one at a time... what i meant was that, if you pulled the one valve cover and saw the same brown junk, you would know that you had a problem...
as far as a misfire is concerned, if that cylinder was in bad enough shape (compression wise) from a blown head gasket, then it probably wouldn't fire...