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P1512 Diagnostic Trouble Code Discussion for May 2015

ISC Solenoid Valve 2 Circuit Low Input

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Trouble Ticket Help Requests for DTC P1512
Help Request Posted
2004 Chevrolet Epica LS 2.5L Poor Idle Quality, Stall VIN: KL1VB52L44
P1512: Idle Speed Control ISC System. ... looking into this Epica for high idle issues and occasional stalling. I drove the car and noticed that as soon as it was put in gear the idle would jump to about 1300-1400 RPM. It also bumps the Rpms on decel at the trans shift points. Put the car back in ...
May 13, 2015