sputters at WOT
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sputters at WOT
I recently noticed that at WOT around 3 or 4 gear my evo starts to sputter. Kinda of a jerking feeling. Im tuned for 25psi and since this started happening I can not get past 19psi. I searched and found others with the same problem but no explanation on how they managed to fix the problem. I've checked my ic piping and they are all intact. Ive also purchased new plugs, gapped at .25 but that hasnt managed to fix the problem. I dont know what else to do so if anyone knows of anything that could help please let me know.
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Those are the plugs Im using, heat range 7 stock for evo 9. Which come pre-gapped at .24-.25. Ive been using those for a while now without problems. I'll give .20 a shot tho thanks
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#11
I had the same problem with same boost u r running all all...two things-1 my plug gap was too big and 2 I found two hair line cracks in my exhaust manifold which casued the car to sputter. Is check all that like everyone has states.
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Thanks guys! I closed my gap to .20 and I also found a small tear on one of my ic couplers and it seemed to solve the problem. I now see the importance of a boost leak test, gonna go buy me a air compressor.
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