Gen1 Diesel Technical Discussion
‘14 CTD, 87K miles, cold start, ambient temp 50F, dry conditions.
Had my first CEL, code P0671 per ScanGauge II. Cleared the code with the SG, did not return. Did another cold start this morning, no CEL. Could be #1 glow plug starting to fail, wiring fault, glow plug module...or perhaps just...