Conditions For Running Test
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- The engine is running.
- The Ignition 1 Signal voltage parameter is 11-18 volts.
- The EGR valve is commanded to zero percent for 20 seconds after the EGR valve has been commanded to open more than 40 percent for 0.5 second.