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 appropriate TESTS W/O CODES article in the ENGINE PERFORMANCE section below.
CODE 45 TERMINAL & CIRCUIT WIRING IDENTIFICATION
| Application | PCM Terminal | Wire Color | ||
|---|---|---|---|---|
| "C" & "K" Series | ||||
| 7.4L A/T & M/T | ||||
| Oxygen Sensor Signal | A10 | Purple | ||
| Oxygen Sensor Ground | A12 | Tan | ||
| "G" Series | ||||
| 7.4L A/T | ||||
| Oxygen Sensor Signal | A10 | Purple | ||
| Oxygen Sensor Ground | A12 | Tan | ||
| "P" Series | ||||
| 7.4L A/T | ||||
| Oxygen Sensor Signal | A10 | Purple | ||
| Oxygen Sensor Ground | A12 | Tan | ||