Quote:
Originally Posted by Diseasel300
What kind of "adjustments" did you make to the IP? If the injectors are original then it's probably time for new nozzles. A metallic knocking noise high up in the engine is usually injector knock or "nailing" from dribbling or poor spray pattern.
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went from 1.5 turns out on the full load screw to a total of 2 turns out. same adjustment on the idle stop screw. I also turned in the allen head screw on the idle return spring in about 1/8 turn so it would return to idle at the regular speed.
It was running fine before and after I made the adjustments. Even with the knocking noise there is no affect on performance, just extra noise.
Maybe I should try a diesel purge to see if that helps at all.