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Home >> Saturn >> 2001 >> SW2 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0130: Closed Loop Rationality >> Diagnostic Aids

Diagnostic Aids

Check for faulty or contaminated front O2S. Replace as necessary.

NOTE: An intermittent open in signal or ground wire or an inactive sensor will not set this DTC.
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