EGR Problem

EGR valve sticking open at idle is usually accompanied by a rough idle and/or stalling. If Code 45 is intermittent, see INTERMITTENTS in TESTS W/O CODES article in this section.

CODE 45 TERMINAL & CIRCUIT WIRING IDENTIFICATION

Application	PCM Terminal	Wire Color
Oxygen Sensor Signal	D7	Purple
Oxygen Sensor Ground	D6	Tan

Fig 1: Code 45 Schematic (3.1L) Rich Exhaust Indication

Fig 2: Code 45 Flow Chart (3.1L) Rich Exhaust Indication