P0157 Diagnostic Trouble Code Discussion for June 2007
Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage
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| Help Request | Posted | |
| 1999 Chevrolet Silverado 1500 4.8L Hesitation, MIL Lamp on, backfires VIN: 2GCEK19V7X P0157: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage. checked fuel reg, working fine & not leaking, unpluged downstream o2s, ran better but still set same codes, plus set codes for low activity on sensors, ofcorse, i have also sprayed intake for leaks, fuel trims had no change. i also checked fuel volume, ple... |
June 09, 2007 |
