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P1218 Diagnostic Trouble Code Discussion for October 2008

Injection Pump Calibration Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1218
Help Request Posted
2001 GMC Savana 3500 6.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1GTHG35F31
P1218: Injection Pump Calibration Circuit Malfunction. van came in running bad at idle poor accel.found lot of dirt in fuel tank.replaced tank new and new fuel pump and filter with little change in performance
October 04, 2008