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Home >> Cadillac >> 1989 >> Allante F7/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO45: Right O2 Sensor Rich >> Test Conditions

Test Conditions

Codes EO14, EO15, EO16, EO21, EO22, EO26, EO27, EO31, EO32, and EO34 not set. Throttle switch open. TPS greater than 6°. TPS less than 30°. Coolant temp greater than 58°C. Right oxygen sensor ready. RPM greater than 800. TPS greater than 10° and canister purge has purged at full duty cycle for 10 minutes since the engine was running with coolant greater than 80°C.