DTC Set Criteria

DTC will set under following conditions:

• Engine coolant temperature is less than 86°F (30°C) when starting engine, and more than 140°F (60°C) when monitor begins. Intake air temperature was 86°F (30°C) or less when starting engine, and 41°F (5°C) or more during monitor. Less than 16 minutes have passed since engine started. Engine speed is 1600 RPM or more. Power steering pressure switch is off. Barometric pressure is more than 11 psi (76 kPa). Volumetric efficiency is 20-80 percent. Vehicle speed is 19 MPH or more. Monitor runs 75-125 seconds. Code will set if internal pressure of fuel tank fluctuates less than .047 psi. (.324 kPa) in 20 seconds after fuel tank and vapor lines are closed.