2004 ISUZU TF SERIES Workshop Manual

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ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL (6VE1 3.5L)  6A-17 
Engine Oil Consumption Excessive 
Symptom Possible Cause  Action 
Oil leaking  Oil pan drain plug loose Retighten or replace gasket 
 Crankcase fixing bolts loose

Page 1842 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A-18  ENGINE MECHANICAL (6VE1 3.5L) 
Fuel Consumption Excessive 
Symptom Possible Cause  Action 
Trouble in fuel system  Mixture too rich or too lean due to 
trouble in fuel injection system Refer to

Page 1843 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL (6VE1 3.5L)  6A-19 
Engine Oil Pressure Check 
1. Check for dirt, Fuel or water in the engine oil. 
a. Check the viscosity of the oil. 
b. Check the viscosity of the oil. 
c. Change

Page 1844 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A-20  ENGINE MECHANICAL (6VE1 3.5L) 
Malfunction Indicator Lamp 
The instrument panel “CHECK ENGINE" Malfunction
Indicator Lamp (MIL) illuminates by self diagnostic
system when the system checks th

Page 1845 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL (6VE1 3.5L)  6A-21 
Cylinder Head Cover LH 
Removal 
1. Disconnect battery ground cable. 
2. Disconnect positive crankcase ventilation hose. 
3. Remove camshaft angle sensor connecto

Page 1846 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A-22  ENGINE MECHANICAL (6VE1 3.5L) 
2. Install fuel injection harness bracket and tighten
bolt to the specified torque. 
Torque : 8 N
 m (0.8 kg
 m/8 lb ft) 
3. Connect ignition coil connect

Page 1847 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL (6VE1 3.5L)  6A-23 
Cylinder Head Cover RH 
Removal 
1. Disconnect battery ground cable. 
2. Remove air cleaner duct assembly. 
3. Disconnect ventilation hose from cylinder head
cove

Page 1848 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A-24  ENGINE MECHANICAL (6VE1 3.5L) 
Common Chamber 
Removal 
1. Disconnect battery ground cable. 
2. Remove air cleaner duct assembly. 
3. Remove the ECM. 
 Disconnect the two connectors from the E