Quote:
Originally Posted by Ultramaroon
Something is wrong with #2 direct injector. As soon as it switches to 100% port injection, #2 misfire count goes to zero.
That is, as long as the correct cylinder is reported to be misfiring. ...but it's one of your direct injectors.
edit: ...or the signal/power to that injector.
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I think it was the coilpacks. I swapped back to OEM and did not get cold start misfires, but I didn't get a chance to log. Also drove around and tried to get it to misfire by giving it 50% load at 3k rpm, which usually starts to misfire, but did not get anything. It usually misfires cylinder #4 this way.
Didn't get a chance to log during cold start after swap, but so far signs are good.