Workshop Manual
6A–11
ENGINE MECHANICAL (6VE1 3.5L)
Condition CorrectionPossible cause
Engine overheating
Level of Engine Coolant too low Replenish
Fan clutch defective Replace
Incorrect fan installed Replace
Thermostat defective Replace
Engine Coolant pump defective Correct or replace
Radiator clogged Clean or replace
Radiator filler cap defective Replace
Level of oil in engine crankcase too
low or wrong engine oil
Change or replenish
Resistance in exhaust system
increased
Clean exhaust system or replace
defective parts
Throttle Position Sensor adjustment
incorrect
Replace with Throttle Valve ASM
Throttle Position Sensor circuit open
or shorted
Correct or replace
Cylinder head gasket damaged Replace
Engine overcooling Thermostat defective Replace (Use a thermostat set to
open at 82°C (180°F))
Engine lacks compression ———— Refer to Hard Start
Others
Tire inflation pressure abnormal Adjust to recommended pressures
Brake drag Adjust
Clutch slipping Adjust or replace
Level of oil in engine crankcase too
high
Correct level of engine oil
Exhaust Gas Recirculation Valve
defective
Replace