LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1446 (Engine Control System - 4.2L - Troubleshooting & Diagnosis) >> Diagnosis Information & Procedures >> Dieseling, Run-On

Dieseling, Run-On

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Dieseling, Run-On

Inspections Action
DEFINITION: The engine continues to run when you turn the key OFF, but runs very roughly. If the engine runs smoothly, test the ignition switch and adjustment.
Preliminary Refer to Symptoms - Engine Controls  .
Fuel System
  • Inspect the evaporative emission (EVAP) system and fuel tank venting.
  • Inspect the fuel injectors for leakage. Refer to Fuel System Diagnosis 
  • Perform a fuel system diagnosis. Refer to Fuel System Diagnosis  .