Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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MHPAUTOS
CAR REPAIR CONTRIBUTOR
31,937 POSTS
P1312 is ignition coil knock detection cyl 1 and 2 and the cause is quoted as wiring open circuit/short to positive, ignition coil assy, ECM