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Home >> Cadillac >> 1991 >> Seville Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Tests >> Pcm Code EO80, Fuel System Rich >> Test Conditions:
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Test Conditions:

Codes EO14, EO15, EO16, EO21, EO22, EO26, EO27, EO31, EO32 or EO34 not set. System in closed loop, throttle switch open, throttle angle between 6-30 degrees and coolant temperature greater than 180°F (82°C). Canister has been at a purge duty cycle of 94 percent (purge enabled) at a throttle angle of 10 degrees or greater 10 minutes.