P0051 Diagnostic Trouble Code Discussion for September 2007
Air Fuel Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage
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| Help Request | Posted | |
| 2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D82 P0051: o2 bank 2 sensor 1 heater circuit low. 0 2 heater code returns after drive cycle both rear o2s read 300mv even unhooked taking reading from ecm side.heaters are turning on,power and grounds check ok.temperarly swapped ecm and rear o2s read 290mv.cant find criteria for code setting.the ecm i tryed w... |
September 27, 2007 |
