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Home › Geo › 1997 › Prizm Base, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes 1.6 & 1.8L › Diagnostic Tests › DTC P0171 - Fuel Trim System Lean › Notes

DTC P0171 - Fuel Trim System Lean: Notes

NOTE: Perform ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK  before proceeding with CIRCUIT TESTS.
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