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P0305-CYLINDER #5 MISFIRE (CONTINUED) 11. INJECTOR CONTROL CIRCUIT Turn the ignition off. Disconnect the PCM harness connector. Check the (K38) Injector Control circuit for an open or short to ground. Was a problem found with the Injector Control circuit? Yes >> Repair the excessive resistance or short in the Injector Control circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 17 12. FUEL SUPPLY LINE RESTRICTED Turn the ignition off. WARNING: The fuel system is under a constant pressure (even with the engine off). Before testing or ser- Install special tool #6539 (5/16 9 ) #6631(3/8 9 ) fuel line adapter and the fuel pressure gauge between the fuel supply line and the fuel pump module. Ignition on, engine not running. With the scan tool, actuate the ASD Fuel System test and observe the fuel pressure gauge. NOTE: Fuel pressure specification is 379 KPa +/- 14 KPa (55 psi +/- 2 psi). Is the fuel pressure within specification? Yes >> Repair or replace fuel supply line as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 13 9 - 1766 ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10 DR/DH |