HAVE SCAN CODE P300, P0304, P0305, P0306, P0171.

2006 Ford Fusion

Tiny

robert54

October, 15, 2012 AT 5:45 PM

I have check for vaccum leaks none, change spark plugs, and replaced coils. Still get the same engine code, the check engine light came back on after cleared. The engine temp is normal.

FOUND 35 RELATED QUESTIONS

3 Answers

Tiny

KHLow2008

October, 15, 2012 AT 6:53 PM

The system is running lean with random misfres and cylinders 4, 5 and 6 seems to be badly affected.

Which engine do you have?

Tiny

robert54

October, 16, 2012 AT 6:15 AM

My engine is V6 3.0L.

Tiny

KHLow2008

October, 16, 2012 AT 7:41 AM

Check the PCV valve and its hose for damage and vacuum leakages.

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