misfire on #2 cyl. sometime run smooth then skips on 2008 Ford Explorer

i have changed coil pack, plugs, plug wires, is not losing water no bubbles in radiator....

by in Cadwell, GA on November 30, 2012
2 answers 2 comments
ANSWER by on November 30, 2012
could have a vacuum leak check compression
COMMENT by on November 30, 2012
Agree with Goodguy, also may have an injector problem.
COMMENT by on December 01, 2012
good call wetry never thought about that
ANSWER by on December 01, 2012
Going along with goodguy and that guy wetry, if plugs are OEM , and it's SPECIFICALLY a #2 misfire only , then if plug is not misfiring due to oil fouling , you maybe could try swapping injector to a different cylinder to confirm that it's the injector , not an internal problem? wetry might call me an idiot , but thats only because I like green jelly....................Don't underestimate the power of a plug to give you good info. on the problems cause!

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