Question about 2003 Ford Escape
Replaced all spark plugs and #4 coil pack stil lhas misfire on cylinder 4&6
Posted by Anonymous on
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Posted on Jan 02, 2017
do a compression test, you may have a bend valve , I'm assuming its not getting overheating so I don't think its the head gasket..a compression test can give you the answer..hope this was very helpful...thanks
Posted on Aug 08, 2009
Sound like an air / vacuum leak to me.
Re-check for an air leak on #2 cylinder inlet manifold.
Use a propane torch (unlit, of course) to flood propane gas around inlet manifold/head flange & gasket area.
If there is any change in idle speed during this test you have a vacuum leak.
Posted on Aug 18, 2009
did you check the injector pulse on that cylinder and it also could be the pcm , i had a taurus and a sable with good coils stop firing 2 cylinders and it was the pcm ,the code it gave was secondary coil but changed the pcm and it worked fine
Posted on Aug 29, 2009
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