Quote:
Originally Posted by Rookie48
SarTech:
Where did you ever end up with your misfire codes?
I am having a similar issue, although my misfire (P0300 through P0306) codes are not accompnied by any other codes, and only seem to occur when off the throttle at highway speeds or very little throttle at highway speeds. Occasionally they will get thrown at lower speeds.
I have replaced every sensor, smoke tested the engine intake and exhaust 3 times, did a compression test (all within 5%), and still have the issue. The truck runs great under load and at idle.
Pulling my hair out! I love this truck, but I think it soon needs to go...
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Rookie48, Thanks for checking up on me.
I still have not fixed it.
I just replaced the valve cover gasket (it was leaking), rebuilt the VANOS and replaced the exh side cam shaft position sensor and smoke tested it. Still the same misfire codes.
Im looking an Craigslist for something else.
Its a shame, I have spent over $2000.00 on this problem.