P1133 Diagnostic Trouble Code Discussion for April 2012
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2002 Pontiac Firebird 3.8L MIL Lamp on VIN: 1GC2MERUS2 P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. vehicle came from another shop, with both not enough cross counts codes, bank 1 and bank 2. O2 sensors are responding fast based on testing, MAF has been swapped with known goog one, no change, im leaning twards not enough fuel volumen at cruise, fuel pressure... |
April 17, 2012 |
