P0140 Diagnostic Trouble Code Discussion for January 2012
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
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| Help Request | Posted | |
| 1997 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF55F2V P0140: O2 sensor upstream R22 Current and stored. Here's a Part Load mixture adaptation teaser, come on Steve, Robert, Don and Gus! Car purchased used about a year ago, went across country to college with no trouble. Check engine MIL came on and another shop replaced MAF. It sounded like they were guessing. ... |
January 28, 2012 |
