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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P1134 & P1154: Ho2S Transition Time Ratio - Bank 1 & 2, Sensor 1 >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 3

    When DTCs P1134 and P1154 are set at the same time, a fuel contamination condition is present.

  2. 4

    An exhaust leak 6-12" (152-304 mm) from the HO2S can cause a DTC to set.

  3. 5

    This step verifies whether a good ground circuit is available.

  4. 6

    This step verifies the integrity of the signal circuit to the PCM.

  5. 7

    This step verifies the integrity of the signal circuit to the PCM.

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