P2073 Diagnostic Trouble Code Discussion for July 2017
O2 Sensor Implausible
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| Help Request | Posted | |
| 2003 Mercedes-Benz CLK320 3.2L cooling fan on high VIN: WDBTJ65J63 P2073: Electric suction fan for engine or AC open circuit. Radiator fan on high speed all the time, customer replaced fan assembly, checked wiring to fan module,no breaks. Saw where bad MAF sensors can cause this, I unplugged the MAF & fan still on. Also was told from MB tech ME modules are common cause but how do... |
July 10, 2017 |
