LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1983 >> Jimmy 5.7 L >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor Tests W/Codes >> Code 13 - O2 Sensor CKT
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Code 13 - O2 Sensor CKT

Fig 1: Flow Chart, Code 13 - Oxygen (O2) Sensor Circuit
G8509
Fig 2: Flow Chart - Code 13 - Oxygen (O2) Sensor Circuit
GB0048236
scientia non olet · About LEMON Manuals