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 AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 69 (ENGINE CONTROLS SELF-DIAGNOSTICS - 4.3L)DIAGNOSTIC TESTSDTC P1134 & P1154: HO2S TRANSITION TIME RATIO - BANK 1 & 2, SENSOR 1CONDITIONS FOR RUNNING DTC
2004 Oldsmobile Bravada AWD
Conditions For Running DTC
2004 Oldsmobile Bravada AWDSECTION Conditions For Running DTC
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0121, P0122, P0123, P0200, P0131, P0132, P0134, P0135, P0151, P0152, P0154, P0155, P0300, P0401, P0404, P0405, P0440, P0442, P0446, P0452, P0453, P1404, or P1441 are not set.
- The loop status is Closed.
- The engine run time is more than 160 seconds.
- The engine speed is between 1100-3000 RPM.
- The Engine Coolant Temperature (ECT) is more than 135°F (57°C).
- The Mass Air Flow (MAF) sensor is between 15-55 g/s.
- The Throttle Position (TP) sensor is more than 5 percent.
- The ignition 1 signal is between 9-18 volts.
- The fuel tank level remaining is more than 10 percent.
- Intrusive tests are not in progress.
- Scan tool output controls are not active.
- The Evaporative (EVAP) emissions purge solenoid command is more than 1 percent.
- The above conditions are met for 100 seconds.
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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.