P12C0 GMC
Cylinder 7 Injection Timing Advance
GMC
P12BC GMC
Cylinder 5 Injection Timing Advance
P12BD GMC
Cylinder 6 Injection Timing Related
P12BE GMC
Cylinder 6 Injection Timing Advance
P12BB GMC
Cylinder 5 Injection Timing Related
P12BA GMC
Cylinder 4 Injection Timing Advance
P12B8 GMC
Cylinder 3 Injection Timing Advance
P12B9 GMC
Cylinder 4 Injection Timing Related
P12B5 GMC
Cylinder 2 Injection Timing Related
P12B6 GMC
Cylinder 2 Injection Timing Advance