Quote:
Originally Posted by gmtech1
The 6.0L is very sensitive to build up in the throttle body, causing rough idle/misfire conditions. I'd check and clean the throttle body and see if that helps.
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Thanks for the suggestion.
I gave the throttle body a good cleaning today. Despite the fact it was very dirty it did not fix the stumbling trying to find gear.
I guess next I'll look into a vacuum leak somewhere, then dirty or bad injectors.
Still getting only a p0300, nothing else, so if anyone has any ideas I'd love to hear. Maybe the camshaft position sensor?
Thanks in advance.