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6E–484 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS Default Matrix Table Service Procedure Default Strategy A referral strategy has been established to assist the Default Matrix Table Strategy Based Diagnostic Charts Initial Diagnosis Default Section(s) On-Board Diagnostic (OBD) System Vehicle does not enter diagnostics. Chassis Electrical On-Board Diagnostic (OBD) System Vehicle enters diagnostics and Ignition System Check On-Board Diagnostic (OBD) System Engine starts and runs, no PCM — On-Board Diagnostic (OBD) System Engine starts and runs, no PCM Automatic Transmission PCM Power and Ground Check On-Board Diagnostic (OBD) System Chassis Electrical PCM Power and Ground Check On-Board Diagnostic (OBD) System Chassis Electrical On-Board Diagnostic (OBD) System Engine starts and runs, no PCM Automatic Transmission Symptoms Initial Diagnosis Default Section(s) Intermittents 1. On-board Diagnostic (OBD) system check. 2. Careful visual/physical inspections. Chassis Electrical Hard Starts 1. OBD system check. MAP output chart. 4. Fuel system electrical test, fuel system diagnosis. 5. Ignition system. Engine Mechanical, Ignition |