Camshaft synchronizer (maybe??) help
Hey Gurus,
I started noticing a hesitation at higher speeds and the check engine light came on. A couple of error codes came up that I think may be pointing me in the wrong direction. They are P0303 (misfire Cyl 3) and P0136 (misfire in first 1K rpms).
I changed the plugs and the wires about 20k miles ago and I just changed the Coil block when this started (Only because it has been suspect for quite a while and had never been changed).
After doing a little research here and other forums I found a thread somewhere that talked about a hesitation at 3K rpm and so I checked it while sitting in my driveway and sure enough it runs smoothly right up until I get over 3k rpm then it starts a pretty rythmic hesitation. The thread called for a new camshaft synchronizer or a position sensor. My guess is that since the hesitation is pretty rythmic (IMHO suggesting an electrical issue) I could get away with just trying the sensor.
Any suggestions, comments, help??? As a side note, the camshaft synchronizer is NOT giving me the chirp that would indicate the synch being bad.
Thanks, John
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2003 2wd 3.0 XLT Ext Cab. 215,000 miles and still running strong, it is a Ford after all!!
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