stupid_fast Posted June 15, 2015 Author Share Posted June 15, 2015 It was a bad ground.Verifying the fix./thread Quote Link to comment Share on other sites More sharing options...
aarang Posted August 4, 2015 Share Posted August 4, 2015 Just wondering what ground you found bad and if indeed it is fixed? Quote Link to comment Share on other sites More sharing options...
stupid_fast Posted May 6, 2017 Author Share Posted May 6, 2017 (edited) Just wondering what ground you found bad and if indeed it is fixed? Sorry I hadn't checked this thread in a while. @mods, Necro post reason: found the real solution. Turns out I was troubleshooting multiple issues with similar effects. The issue I corrected in 2015 was a bad negative battery terminal, the bolt was tight but it was loose I could wiggle it around. I've been rebuilding the drive train on my car over the past year, just got it running and the same issue came back. I put on a fuel injection tester & monitored the fuel pressure while driving, it was dipping to around 20psi when the issue occurred. The cause turned out to be a clogged filter screen at the fuel pump!! I feel a bit silly after all that diagnostic work to find such a simple solution, but at least I verified the rest of my setup and learned something. The motor is running very nicely now, after manually re-calibrating the AFM for proper fuel flow. Edited May 6, 2017 by stupid_fast Quote Link to comment Share on other sites More sharing options...
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