P2274 Diagnostic Trouble Code Discussion for April 2018
Heated Oxygen Sensor (Bank 1 Sensor 3) Signal Stuck Lean
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| Help Request | Posted | |
| 2012 Volkswagen Passat S 2.5L MIL Lamp on VIN: 1VWAP7A36C P2274: lean. ... with recurring p2274 code,originally came in with p2274 and 2275. found and welded a pin hole leak in rear o2 sensor bung,came back days later with p2274 only. tested sensor #3 in the cat, it was not functioning properly, replaced with aftermarket bos... |
April 16, 2018 |
