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P1414–CYLINDER 4 REACTIVATION CONTROL PERFORMANCE (CONTINUED) 6. PCM NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal Were there any problems found? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace and program the Powertrain Control Module per Service Information. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 7. MDS SOLENOID 4 Turn the ignition off. Remove the Intake Manifold per Service Reconnect the Solenoid harness connector. Turn the ignition on. With the scan tool actuate the MDS Sole- Can you feel and hear the Solenoid Yes >> Go To 8 No >> Remove the Solenoid and check for any debris that may Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 8. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 2 of the engine block. Remove the Bank 2 Cylinder Head per Service Information. Remove the Lifters from the right engine bank. Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes >> Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace both sets of lifters if no other possible causes remain. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 776 ENGINE ELECTRICAL DIAGNOSTICS WK |