Engine Control System
DIAGNOSTIC CODE DESCRIPTIONSEFI Diagnostic Codes 1 Of 2:
EFI Diagnostic Codes 2 Of 2:
Diagnostic Code Reference Index:
Code 11 See Chart No. 1
Code 12 See Ignition System Troubleshooting
Code 14 See Chart No. 9
Code 21 See Chart VF-Check Connector/O2sensor
Code 22 See Chart No. 7
Code 24 See Chart No. 6
Code 27 See Chart VF-Check Connector/O2sensor
Code 31 See Chart No. 4
Code 32 See Chart No. 4
Code 41 See Chart No. 3
Code 71 See Chart THG / EGR Test (California Only)
NOTE: for information regarding diagnostic procedures please refer to Non-Trouble Code Diagnostic Procedures.
Component Tests and General Diagnostics