Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1793 (ENGINE CONTROL SYSTEM - 4.2L - DTC P0140 TO P0506)
2004 Oldsmobile Bravada RWD
Section 1793 (Engine Control System - 4.2L - DTC P0140 To P0506)
2004 Oldsmobile Bravada RWDSECTION Section 1793 (Engine Control System - 4.2L - DTC P0140 To P0506)
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- Diagnostic Trouble Code (DTC)
- Diagnostic Information & Procedures
- DTC P0140: HO2S Circuit Insufficient Activity Sensor 2
- DTC P0171: Fuel Trim System Lean
- DTC P0172: Fuel Trim System Rich
- DTC P0201: Injector Circuit Malfunction - Cylinder 1; P0202: Injector Circuit Malfunction - Cylinder 2; P0203: Injector Circuit Malfunction - Cylinder 3; P0204: Injector Circuit Malfunction - Cylinder 4; P0205: Injector Circuit Malfunction - Cylinder 5; P0206: Injector Circuit Malfunction - Cylinder 6
- DTC P0220: Throttle Position (TP) Sensor 2 Circuit
- DTC P0222: Throttle Position (TP) Sensor 2 Circuit Low Voltage
- DTC P0223: Throttle Position (TP) Sensor 2 Circuit Low Voltage
- DTC P0300: Throttle Position (TP) Sensor 2 Circuit Low Voltage
- DTC P0301: Cylinder #1 Misfire Detected; P0302: Cylinder #2 Misfire Detected; P0303: Cylinder #3 Misfire Detected; P0304: Cylinder #4 Misfire Detected; P0305: Cylinder #5 Misfire Detected; P0306: Cylinder #6 Misfire Detected
- DTC P0315: Crankshaft Position (CKP) System Variation Not Learned
- DTC P0326: Crankshaft Position (CKP) System Variation Not Learned
- DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) Or P0332: Knock Sensor 2 Circuit Low Input (Bank 2)
- DTC P0335: Crankshaft Position (CKP) Sensor Circuit
- DTC P0336: Crankshaft Position (CKP) Sensor Performance
- DTC P0340: Camshaft Position (CMP) Sensor Circuit
- DTC P0341: Camshaft Position (CMP) Sensor Performance
- DTC P0410: Secondary Air Injection (AIR) System
- DTC P0420: Catalyst System Low Efficiency
- DTC P0442: Evaporative Emissions (EVAP) System Small Leak
- DTC P0446: Evaporative Emissions (EVAP) Vent System Performance
- DTC P0452: Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage
- DTC P0453: Fuel Tank Pressure (FTP) Sensor Circuit High Voltage
- DTC P0455: Evaporative Emissions (EVAP) System Large Leak
- DTC P0496: Evaporative Emissions (EVAP) System Flow During Non-Purge
- DTC P0506: Idle Speed Low
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.