Mechanics

FORD F-150 SPARK PROBLEM

2004 Ford F-150 • 170,000 miles

Hi Sir

I had the check engine light when I read the codes its giving misfire in cylinder 3 and cylinder 8, I had change the spark plugs and clean the injectors and the same problem still there misfire in cylinder 3 and 8 what I have to do after I changed the spark and clean the injectors and the coil I had change it all before 5 months, can any one help me in that
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Khaldoon sawaf
November 4, 2012.




Check fuelpressure first, if it's low it will do this. If fp ok then check egr for clogging.

Hmac300
Nov 4, 2012.


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