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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 330 (Engine Controls - Self-Diagnostics - 3.0L) >> Diagnostic Tests >> DTC P2097 Or P2099: Post Catalyst Fuel Trim System - High Limit >> Conditions For Setting DTC

Conditions For Setting DTC

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

ECM detects that the HO2S 1 fuel trim bias is commanded rich for longer than one second within a 200 second monitoring period.

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