Test Conditions
WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Codes P021, P022, P026, P027, P031 and P032 not set, throttle position switch closed, engine speed greater than or equal to 400 RPM, TP sensor value less than or equal to 18 degrees, and BARO equal to or greater than 75 kPa.