zeiss150 Posted April 30, 2004 Share #1 Posted April 30, 2004 Hey guys, can loose valves (or tight valves) cause a rough idle? What else can cause a rough idle. Thanks guys, Matt-Rock on Z people!!! Link to comment https://www.classiczcars.com/topic/11508-rough-idle/ Share on other sites More sharing options...
z_boi Posted April 30, 2004 Share #2 Posted April 30, 2004 intake leak. or vaccum leak. Link to comment https://www.classiczcars.com/topic/11508-rough-idle/#findComment-79136 Share on other sites More sharing options...
MikeW Posted April 30, 2004 Share #3 Posted April 30, 2004 Originally posted by zeiss150 What else can cause a rough idle. Missing on one or more cylinders? Check that you've got a good spark. An easy way is to crank it up and carefully pull off (and then replace) one plug wire at a time. Each time you pull one off you should notice an impact on how it's running. If you pull off a plug wire and don't notice any difference then that cylinder is not firing. If that's the case it could be the plug, the wire, the cap, etc. Link to comment https://www.classiczcars.com/topic/11508-rough-idle/#findComment-79142 Share on other sites More sharing options...
Yarb
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