P1345 manufacturer control ignition system or misfire

By Markus Escamilla
September 18, 2019 in 1988-1999 Chevrolet & GMC C/K GMT400 Platform

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Markus Escamilla

Posted September 18, 2019

So replaced the fuel filter the cap, rotor, wires, plugs, ignition coil, ignition control module, timing chain and still a p1345 (manufacturer control ignition system or misfire)

bronyaur

Posted September 19, 2019

Did you set the cam retard offset to within +/- 2?

Markus Escamilla

Posted September 20, 2019

Author

Posted September 20, 2019

Its off by 2 degrees so i need to adjust the timing a little bit

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