Quote:
Originally Posted by upallnight
Do you know what the short term and long term fuel for each bank?
If I had to guess the MAF is dirty. This will not allow the MAF to measure the correct amount of air entering the engine. So with an incorrect of air entering the engine, the computer is compensating for the air-fuel ratio by adding fuel to the mixture, but the 02 sensor sees a different story so it is throwing up those codes.
If you have a scanner or software that can read real-time data you can see what the grams per second of air are being reported by the MAF.
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Yes, I have OBD Fusion and Torque Pro as well as INPA and BMW Scanner 1.4. The CEL came on on my 2500 mile family road trip and cleared it and it didn't come back on for 1500 miles until yesterday. The smoke test this morning showed a slight leak at the CCV itself but I mean very slight.
I will get out there and see what the MAF g/s flow is and report back.