EGR Problem

EGR valve sticking open at idle is usually accompanied by a rough idle and/or stalling. Also check for shorted or leaking injector and fuel-contaminated oil. If Code 65 is intermittent, see INTERMITTENTS in TESTS W/O CODES article in this section.

CODE 65 PCM TERMINAL & CIRCUIT WIRING IDENTIFICATION

Application	PCM Terminal	Wire Color
Right O2 Signal	C8	Purple
Right O2 Ground	C7	Tan

Fig 1: Code 65 Schematic Rich Exhaust Indication

Fig 2: Code 65 Flow Chart Rich Exhaust Indication