DTC U1166 Chevrolet
Cylinder 7 Misfire Detected
Cylinder 7 Misfire Detected
Description
Time after engine start, Idle-150 RPM + 1 camshaft rev. Engine speed range, idle-8000 RPM Engine torque, gt; 0 (Nm) Fuel cut off, Not active ECT at start, gt; -9 °C If ECT at start, lt; -9 °C wait until actual ECT, gt; 18 °C
Cause and Solution
Check fuel injectors.Check igntion coils.Check spark plugs.Check the intake system for leaks.Check fuel pressure.Check for signal, voltage and ground. Check harness for open or short
Video Guide
Diagnostic Info
- DTC Code: U1166
- Brand: Chevrolet