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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15. |
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11-20-2020, 05:50 PM | #1 |
Leaky Injector
Join Date: Feb 2015
Location: Singapore
Age: 31
Posts: 67
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SR20VET misfire
Hi, just started facing this problem a few weeks back. Mine's a SR20DET with a VE conversion.
It sorts of misfire slightly at random times, usually after driving for a bit, it goes from like 1,100rpm to 900ish and AFR went up a little. It happens out of the blue. It could be idling at a traffic light, or just cruising. It will just misfire for a short while, like 2 to 3 seconds and then it goes off and everything would be back to normal. I've changed new spark plugs, new coilpacks, checked the injectors resistance. I've also sent a datalog to my tuner which he didn't see anything that was off. Could a faulty CAS cause this? |
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