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09-03-2017, 10:33 PM | #1 |
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AFD Kit Misfire Problem
About a month ago I started receiving codes for my o2 sensors, but i did not bother replacing immediately because the car was running fine...even passed smog with the codes. I just started to get misfire codes through every cylinder yet the car feels fine once up to temp.
Codes are copied... // 1) 2743 Lambda sensor heater resistance diagnostic VKAT bank 2 // 2) 2742 Lambda sensor heater resistance diagnostic VKAT bank 1 // 3) 2B42 Combustion misfire with emissions deterioration cyl 1 // 4) 2B43 Combustion misfire with emissions deterioration cyl 2 // 5) 2B44 Combustion misfire with emissions deterioration cyl 3 // 6) 2B45 Combustion misfire with emissions deterioration cyl 4 // 7) 2B46 Combustion misfire with emissions deterioration cyl 5 // 8) 2B47 Combustion misfire with emissions deterioration cyl 6 // 9) 2B48 Combustion misfire with emissions deterioration cyl 7 // 10) 2B49 Combustion misfire with emissions deterioration cyl 8 // 11) 2B4E Combustion misfire with emissions deterioration several cyl Right now i'm running the AFD e85 kit with a fully catless exhaust and evolve tune. I'm starting off replacing the precat o2 sensors that could be potentially be causing the issue. I also pulled out a spark plug and found that the threads have a very slight coat of fuel/oil but the tip looks in good condition and dry. Any insight helps. Thanks Last edited by opihi5; 09-03-2017 at 10:39 PM.. |
09-07-2017, 04:18 PM | #2 |
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I would just see what happens when you replace 02's and drive it for a week. If codes don't go away, I would look into contacting AFD and seeing if they have had any similar issues. I wouldn't think spark plugs would have too much to do with it considering the car is flex fuel capable as is and you are getting fault codes on every cyl and both banks. Most likely 02 related. Had similar issue with my Audi a few years back. Just replaced 02 sensors and it was good. Hopefully its the same procedure for you
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09-13-2017, 06:05 PM | #5 |
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Make sure to check the ground for resistance.
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09-14-2017, 11:46 AM | #6 |
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Keep us updated looking forward to getting this kit also, miss e85
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09-14-2017, 08:08 PM | #7 |
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