P2237 Diagnostic Trouble Code Discussion for September 2016
Air Fuel Sensor 1 (Bank 1 Sensor 1) Pumping Current Signal Open
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| Help Request | Posted | |
| 2006 Audi A8 Quattro 4.2L MIL Lamp on VIN: WAULL44E26 P2237: VAG code 18669 B1/S1 pump current open circuit. ... miles post purchase, presented code P2237 / 18669 = B1/S1 O2 "pump current open circuit." Sensor was replaced, with no additional testing. 3,000 miles later, returns with same code AND also P2629 / 19061 = B2/S1,O2 "pump current open circuit.... |
September 12, 2016 |
