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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1992 (Automatic Transmission - 2MT70 - DTC P0218 To DTC P0963) >> DTC P0721-P0723 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the OSS, harness, connector and control solenoid (w/body and TCM) valve assembly pins for metallic debris. Proper torque of the OSS mounting bolt is critical to proper OSS operation. Use a terminal test kit for any test that requires probing the control solenoid (w/body and TCM) valve assembly harness connector or a component harness connector.

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