Fd ignition problem
#1
Fd ignition problem
My Fd seems to idle fine when it's cold. Once it warms up, the tach starts to bounce from 0-wherever it wants and then it goes out. I just changed the coils and that didn't solve the problem. Could a faulty igniter be the trouble?
Last edited by misterstyx69; 03-14-14 at 10:52 PM.
#2
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A vacuum leak after the throttle-body will make for a goofy idle as you've described. Starts out somewhat normal and starts hunting 1000 - 1500 rpm as it warms-up. They can be a little hard to find. I'd start with a little mechanic's mirror and a small flashlight looking at all the vacuum ports on the upper intake manifold and the associated hoses. Of course there's also the gaskets to consider. Some have used propane and listened for changes to pin-point the leaks.
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ncds_fc
2nd Generation Specific (1986-1992)
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09-15-15 12:03 AM