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MODEL SELECTION INDEX
MY 2005 VZ Series - Service Information
Section 6C1-3 Engine Management V6 – Service Operations
1 General Information
1.1 General Description
1.2 Service Precautions and Notes
1.3 Service Requirements and Precautions
Basic Knowledge Required
Basic Diagnostic Tools Required
2 General Service Operations
2.1 Service Operations Not Covered In This Section
Fuel System
Engine Dress Covers
2.2 Fuel Injector Coil Test
Fuel Injector Coil Quick Test
Test Description
Fuel Injector Harness to Engine Harness Connector
Injector Coil Test – With Special Tool J39021
Engine Coolant Temperature 10 – 32\(C
Engine Coolant Temperature Outside 10 – 3
2.3 Fuel Injector Balance Test
Fuel Injector Balance Test – With Tech 2
Fuel Injector Balance Test – Without Tech 2
Fuel Injector Pressure Drop Calculation
Fuel Injector Pressure Drop Analysis
2.4 Fuel Injector Leak Down Test
2.5 Quick Connect Fittings
Evaporative Emission (EVAP) Canister Purge Valve Hose Fittin
Disconnect
Connect
2.6 Throttle Body Relearn
Engine Control Module Throttle Body Relearn
Tech 2 Throttle Body Relearn
3 Component Replacement
3.1 Components Not Covered In This Section
Air-conditioning System
Electrical Components
Fuel System
Transmission – Automatic
Transmission – Manual
3.2 Accelerator Pedal Position Sensor
Remove
Reinstall
3.3 Accelerator Pedal Position Sensor Support Bracket
Remove
Reinstall
3.4 Air Cleaner Assembly
Air Cleaner Upper Housing
Remove
Reinstall
Air Cleaner Lower Housing Assembly
Remove
Reinstall
3.5 Barometric Pressure Sensor
Remove
Reinstall
3.6 Camshaft Position Actuator Solenoid
Bank 1 (RHS)
Remove
Reinstall
Bank 2 (LHS)
Remove
Reinstall
Test
Resistance Inspection
Functional Test
3.7 Camshaft Position Sensor
Bank 1 (RHS)
Remove
Reinstall
Bank 2 (LHS)
Remove
Reinstall
3.8 Crankshaft Position Sensor
Remove
Test
Resistance Check
Reinstall
3.9 Engine Coolant Temperature Sensor
Remove
Test
Resistance Check
Reinstall
3.10 Engine Control Module
Remove
Reinstall
ECM Reset
3.11 Engine Control Module Bracket Assembly
Remove
Reinstall
3.12 Engine Oil Level and Temperature Sensor
Remove
Test
Engine Oil Level Sensor Check
Reinstall
3.13 Engine Oil Pressure Sensor
Remove
Reinstall
3.14 Evaporative Emission Canister Purge Valve
Remove
Test
Resistance Check
Functional Test
Reinstall
3.15 Fuel Rail Assembly
Remove
Disassemble
Fuel Injector
Fuel Injector Wiring Harness Assembly
Reinstall
3.16 Heated Oxygen Sensor
Service Precautions
Six Wire Sensor
Four Wire Sensor
Test
Heater Resistance Check – Six Wire HO2S
Heater Resistance Check – Four Wire HO2S
3.17 Ignition Coil
Ignition Coils
Remove
Disassemble
Reassemble
Test
Reinstall
3.18 Intake Air Duct Assembly
Remove
Reinstall
3.19 Intake Air Temperature Sensor
Test
Resistance Check
3.20 Intake Manifold Runner Control Solenoid Valve – Alloytec190 Engine
Remove
Test
Resistance Check
Functional Test
Reinstall
3.21 Knock Sensor, Bank 2 (LHS)
Remove
Reinstall
3.22 Knock Sensor, Bank 1 (RHS)
Remove
Reinstall
3.23 Mass Air Flow Sensor
Handling Precautions
Remove
Reinstall
3.24 Schrader Valve – Fuel Pressure Gauge Connection Point
Remove
Reinstall
3.25 Spark Plugs
Service Precautions
Remove
Inspect
Spark Plug Inspection
Poor Spark Plug Performance
Analysis of Spark Plug Condition
Reinstall
3.26 Throttle Body Assembly
Handling Precautions
Remove
Inspect
Reinstall
4 Specifications
5 Assembly Lubricants
6 Torque Specifications
7 Special Tools