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09-06-2014, 09:50 PM | #1 |
Lieutenant
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P29E1
Hello everyone. Recently my CEL came on for code P29E1 for Fuel Mixture Control. There is no power loss; I am spinng in 3rd gear hitting target boost of 18.5-19 psi. No idling issues, the car drives exactly the same as it always has.
Specs: 2008 135i 6spd Manual 57k Miles Walnut Blasting done at 50k miles Spark plugs changed at 45k miles Smoke test done recently All Maintenance up to par Mods: JB4 G5 ISO Map 7 E85 Backend Flash 10 Gallons of E85 (Gas station states 85% concentration) 3 Gallons of 93 octane BMS 3" kittyless down pipes Berk Race Axleback BMS DCIs ER Charge pipe w/ Tial Q BOV VRSF 7" FMIC w/ upper charge pipe Walbro 255 lpfp Resonated Stock Mids (Cats deleted) Prior to all this, my friend used his BMWhat bluetooth adapter to test on my car along with the jb4 app. Originally we wanted to see if we could run diagnostics to remove the adaptive headlight error but he couldn't so he just cleared everything. I'm not sure if by doing this he also wrote over my Backend flash causing me to lean out. Thinking that was the issue I did a partial write up for the E85 flash last night. The cel immediately went away but I began to have start up issues with idling. Again, no power loss just unusual start ups.. Even worse on cold start ups. Did a Idle data log. AFRs when I first start the car are 17-18 and Trims are 11-12. Then after 30 seconds drops down 14.7 and 4. Starts up just fine but it's the idle that's the weird part. Remember I had this code for over a week now but ever since I did the reflash yesterday the idle has been crazy. Please any help will be very much appreciated!!! Link to the warm start up is here: http://s763.photobucket.com/user/dha...c9ca7.mp4.html Video of my cold start up this morning. *Note* I was NOT touching the throttle. Starts up fine but when the rpms come down is the issue. After this settles the car idles completely fine after.
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08' Sparkling Graphite Metallic E82 135i. 6spd Manual. Last edited by ..; 09-07-2014 at 06:28 AM.. |
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