P0152 Diagnostic Trouble Code Discussion for July 2025
Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage
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| Help Request | Posted | |
| 2012 Chevrolet Silverado 2500 HD LT 6.0L No Start, Poor Idle Quality, Stall VIN: 1GC1KXCG8C P0152: 2-1 o2 high voltage. unit was towed in. cold start unit starts and runs good. till o2s warm and activate. then short and long fuel trims go to -30% then starts popping thru intake and dies. does not smell rich. seams like its starting at good trims then ecm drives it lean. cle... |
July 29, 2025 |
