Toyota 3S-GTE User Manual

EG-83
ENGINE — TURBOCHARGER SYSTEM
TROUBLESHOOTING
IGMV1-M
HINT: Before troubleshooting the turbocharger, first check the engine itself. (Valve clearance,
engine compression, ignition timing etc.)
INSUFFICIENT ACCELERATION, LACK OF POWER OR EXCESSIVE FUEL
CONSUMPTION
Possible Cause
Check Procedure and Correction Method
I 1. TURBOCHARGING PRESSURETOO LOW —
Check turbocharging pressure. (See page EG-85)
Turbocharging pressure:
82 - 115 kPa
(0.84 - 1.11 kgflcmz, 11.9 - 16.1 psil
If the pressure is below specification, begin diagnosis from
item 2.
2. RESTRICTED INTAKE SYSTEM i Check intake air system, and repair or replace parts as
"B<>65$8I'Y- (See page EG-85)
3. LEAK IN INTAKE AIR SYSTEM —~
Check intake air system, and repair or replace parts as
necessary. (See page EG-85)
4. RESTRICTED EXHAUST SYSTEM i
Check exhaust system, and repair or replace parts as
necessary. (See page EG-85)
5. LEAK IN EXHAUST SYSTEM —-
Check exhaust system, and repair or replace parts as
necessary. [See page EG-85)
6. ERRATIC TURBOCHARGER OPERATION
Check rotation ofturbine shaft. If it does notturn orturns with
a heavy drag, replace the turbocharger assembly.
Check axial and radial play of turbine shaft.
(See page EG-91}
Maximum axial play: 0.110 mm {0.0043 in.) ,
Maximum radial play: 0.136 mm {0.0054 in.) ;
If the play is greater than maximum, replace the
turbocharger assembly. I
VIBBII
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Toyota 3S-GTE Specifications

General

Brand	Toyota
Model	3S-GTE
Category	Engine
Language	English