06-08-2016, 10:43 AM
CEL came back. Car runs great though. Will still try to diagnose but with less urgency. I'm wondering if it's a flaky O2 sensor - the PO replaced one of the two pre-cat (which is what the code is for) but knowing him and his work, it'll be a $7 Pyongyang brand from Rock Auto.
Now:
'16 Ram 1500 | '97 BMW M3 | Some Press Loan
Then:
87 BMW 325e | 91 BMW 535i | 96 BMW 328i | 95 BMW 325i | 95 Mazda Miata | 13 Focus ST | 09 BMW 128i | 00 Pontiac Firebird | 05 Yukon Denali | 96 BMW 328iC | 11 Ford F-150 | 06 BMW M3 | 10 Range Rover SC | '03 Ford Ranger | '18 Ford F-150 | '01 BMW X5 | '98 Volvo S70 T5M
'16 Ram 1500 | '97 BMW M3 | Some Press Loan
Then:
87 BMW 325e | 91 BMW 535i | 96 BMW 328i | 95 BMW 325i | 95 Mazda Miata | 13 Focus ST | 09 BMW 128i | 00 Pontiac Firebird | 05 Yukon Denali | 96 BMW 328iC | 11 Ford F-150 | 06 BMW M3 | 10 Range Rover SC | '03 Ford Ranger | '18 Ford F-150 | '01 BMW X5 | '98 Volvo S70 T5M