P2240 Diagnostic Trouble Code Discussion for May 2014
Heated Oxygen Sensor (Bank 2 Sensor 1) Pumping Current Control Circuit
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| Help Request | Posted | |
| 2006 Mercedes-Benz CLK350 3.5L MIL Lamp on VIN: WDBTJ56J16 P2240: Left o2 sensor before cat. Voltage too high. ... before cat voltage too high,P2240 Left O2 sensor before cat voltage too high. I replaced Maf sensor then code P2240 came back after test drive. then I replaced both front O2 sensors, smoke tested found no leaks. Looks like the left side bank (P2240) its to... |
May 05, 2014 | |
| 2006 Mercedes-Benz CLK350 3.5L MIL Lamp on VIN: WDBTJ56J16 P2240: Left o2 sensor before cat. Voltage too high. ... before cat voltage too high,P2240 Left O2 sensor before cat voltage too high. I replaced Maf sensor then code P2240 came back after test drive. then I replaced both front O2 sensors, smoke tested found no leaks. Looks like the left side bank (P2240) its to... |
May 06, 2014 |
