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P0301 Engine Trouble Code - P0301 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com
![I have been having an intermittent issue on my 2012, 84K miles, CAEB 2.0 A4 Audi for months with no symptoms that offer I have been having an intermittent issue on my 2012, 84K miles, CAEB 2.0 A4 Audi for months with no symptoms that offer](https://f01.justanswer.com/ItuNpZks/20201115_151243.jpg)
I have been having an intermittent issue on my 2012, 84K miles, CAEB 2.0 A4 Audi for months with no symptoms that offer
![Dilemma here: 2012 Audi A4 FWD, 2.0T, 117K, was very rough on cold starts, once warm, drives beautiful. Had codes of Dilemma here: 2012 Audi A4 FWD, 2.0T, 117K, was very rough on cold starts, once warm, drives beautiful. Had codes of](https://f01.justanswer.com/ACnQF6ZE/FB83609B-3014-440A-BC07-1AAD661C3543.jpeg)
Dilemma here: 2012 Audi A4 FWD, 2.0T, 117K, was very rough on cold starts, once warm, drives beautiful. Had codes of
![Audi overhauled 150,000 kilometers, looking at the dark intake valve, the owner: why so much carbon deposits - iNEWS Audi overhauled 150,000 kilometers, looking at the dark intake valve, the owner: why so much carbon deposits - iNEWS](https://p1-tt.byteimg.com/origin/pgc-image/871ff7aa81504ee1b15a33f18b339bbd.jpg)