DTC U1039 Ford
Cylinder 2 Misfire Detected
Cylinder 2 Misfire Detected
Description
DTC P0101-P0103, P0107, P0108, P0116-P0118, P0121-P0123, P0125, P0336, P0341, P0502, P0503, P1106, P1107, P1114, P1115, P1121, P1122, P1336, P1351, P1352, P1361, P1362 and P1374 not set, engine speed from 525-5900 rpm, ECT sensor from 21-255ºF, system voltage over 10.0v, TP angle steady, and the PCM detected a crankshaft speed variation characteristic of a misfire in Cylinder 2. Note: If the misfire is severe, the MIL will flash on off on the 1st trip!
Cause and Solution
Air leak in the intake manifold, or in the EGR or PCV systemBase engine mechanical fault that affects only Cylinder 2Fuel component fault that affects only Cylinder 2 (i. e. , a dirty or sticking fuel injector)Ignition system problem (coil, plug) that affects only Cylinder 2
Video Guide
Diagnostic Info
- DTC Code: U1039
- Brand: Ford