Start the engine. Hold the engine speed at 3,000 rpm (min
−1
) without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, then let it idle.
Do the EGR TEST in the INSPECTION MENU with the HDS.
Is the result OK?
YES
-
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EGR valve and the ECM/PCM.■