Question about 2003 Ford E150
sign of bad coil pack.
power symptom = rough idle, unexplained and abnormal loud engine, and power lose.
drop of RPM during accelaration and engine ligth comes on.
abnormal stream of exhaust smoke.
Posted on Feb 22, 2012
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Posted on Jan 02, 2017
It could be carbon deposits on valve seats keeping valves from totally closing. You can try getting you a can of motorcraft PM3 top end engine cleaner and get engine up to operating temp then remove one of the small vacuum lines from the intake and draw the contents of the can slowly into the engine.After you have drawn in the contents shut engine off and let it soak for about 45 minutes then crank it back up and let it run until it clears. Now it will smoke like a forrest fire while you are doing this so don't be alarmed,just tell the neighbors you are spraying for mosqitos.This may cure the problem. If not you may be looking at a valve job.
This can be verified with a compression test if this is what is causing it.
Posted on Feb 05, 2009
check if there is any voltage reading at the fan blower wiring when activated,if there is an it still does not work then you may need a replacement blower...
Posted on Sep 05, 2009
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