1995 TOYOTA SUPRA fuel filter

INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS -
IN-8
IACIdle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module-
IFIIndirect Fuel InjectionIndirect Injection
IFSInertia Fuel-Shutoff-
ISCIdle Speed Control-
KSKnock SensorKnock Sensor
MAFMass Air FlowAir Flow Meter
MAPManifold Absolute PressureManifold Pressure
Intake Vacuum
MCMixture Control
Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDPManifold Differential Pressure-
MFIMultiport Fuel InjectionElectronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Light
MSTManifold Surface Temperature-
MVZManifold Vacuum Zone-
NVRAMNon-V olatile Random Access Memory-
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn-Board DiagnosticOn-Board Diagnostic (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Converter (OC), CCo
OPOpen LoopOpen Loop
PAIRPulsed Secondary Air InjectionAir Suction (AS)
PCMPowertrain Control Module-
PNPPark/Neutral Position-
PROMProgrammable Read Only Memory-
PSPPower Steering Pressure-
PTOXPeriodic Trap OxidizerDiesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM)
RMRelay Module-
ROMRead Only MemoryRead Only Memory (ROM)
RPMEngine SpeedEngine Speed
SCSuperchargerSupercharger
SCBSupercharger Bypass-
SFISequential Multiport Fuel InjectionElectronic Fuel Injection (EFI), Sequential Injection
SPLSmoke Puff Limiter-
SRIService Reminder Indicator-
SRTSystem Readiness Test-
STScan Tool-
TBThrottle BodyThrottle Body
TBIThrottle Body Fuel InjectionSingle Point Injection
Central Fuel Injection (Ci)
TCTurbochargerTurbocharger
TCCTorque Converter ClutchTorque Converter
TCMTransmission Control ModuleTransmission ECU (Electronic Control Unit)
TPThrottle PositionThrottle Position
TRTransmission Range-

EVAPORATIVE EMISSION (EVAP)
CONTROL SYSTEM
FUEL VAPOR LINES, FUEL TANK AND
TANK CAP INSPECTION
1. VISUALLY INSPECT LINES AND CONNECTIONS
Look for loose connections, sharp bends or damage.
2. VISUALLY INSPECT FUEL TANK
Look for deformation, cracks or fuel leakage.
3. VISUALLY INSPECT FUEL TANK CAP
Check if the cap and/or gasket are deformed or damaged.
If necessary, repair or replace the cap.
CHARCOAL CANISTER INSPECTION
1. REMOVE CHARCOAL CANISTER
2. VISUALLY INSPECT CHARCOAL CANISTER
Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER AND STUCK CHECK
VA LV E
(a) Using low pressure compressed air (4.71 kPa (0.048
kgf/cm
2, 0.68 psi)), blow into port B and check that air flows
without resistance from the other ports. EG±166
± ENGINEEMISSION CONTROL SYSTEMS (2JZ±GE)

EVAPORATIVE EMISSION (EVAP)
CONTROL SYSTEM
FUEL VAPOR LINES, FUEL TANK AND
TANK CAP INSPECTION
1. VISUALLY INSPECT LINES AND CONNECTIONS
Look for loose connections, sharp bends or damage.
2. VISUALLY INSPECT FUEL TANK
Look for deformation, cracks or fuel leakage.
3. VISUALLY INSPECT FUEL TANK CAP
Check if the cap and/or gasket are deformed or damaged.
If necessary, repair or replace the cap.
CHARCOAL CANISTER INSPECTION
1. REMOVE CHARCOAL CANISTER
2. VISUALLY INSPECT CHARCOAL CANISTER
Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER AND STUCK CHECK
VA LV E
(a) Using low pressure compressed air (4.71 kPa (0.048
kgf/cm
2, 0.68 psi)), blow into port C and check that air flows
without resistance from the other ports. EG±178
± ENGINEEMISSION CONTROL SYSTEMS (2JZ±GTE)

 IAC Idle Air Control Idle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature ICM Ignition Control Module ± IFI Indirect Fuel Injection Indirect Injection IFS Inertia Fuel±Shutoff ±
 ISC Idle Speed Control ±
 KS Knock Sensor Knock Sensor
 MAF Mass Air Flow Air Flow Meter
 MAP Manifold Absolute Pressure Manifold Pressure
Intake Vacuum
 
 
 
MC
 
 
 
Mixture Control
 
 
 
Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
 MDP Manifold Differential Pressure ±
 MFI Multiport Fuel Injection Electronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Light MST Manifold Surface Temperature ± MVZ Manifold Vacuum Zone ± NVRAM Non±Volatile Random Access Memory ±
 O2S Oxygen Sensor Oxygen Sensor, O2 Sensor (O2S)
 OBD On±Board Diagnostic On±Board Diagnostic (OBD)
 OC Oxidation Catalytic Converter Oxidation Catalyst Converter (OC), CCo
OPOpen LoopOpen Loop PAIR Pulsed Secondary Air Injection Air Suction (AS) PCM Powertrain Control Module ± PNP Park/Neutral Position ±
 PROM Programmable Read Only Memory ±
 PSP Power Steering Pressure ±
 
 
PTOX 
 
Periodic Trap Oxidizer 
 
Diesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM) RM Relay Module ± ROM Read Only Memory Read Only Memory (ROM) RPM Engine Speed Engine Speed
 SC Supercharger Supercharger
 SCB Supercharger Bypass ±
 SFI Sequential Multiport Fuel Injection Electronic Fuel Injection (EFI), Sequential Injec-
tion
 SPL Smoke Puff Limiter ± SRI Service Reminder Indicator ± SRT System Readiness Test ±
 ST Scan Tool ±
 TB Throttle Body Throttle Body
 TBI Throttle Body Fuel Injection Single Point Injection
Central Fuel Injection (Ci)
 TC Turbocharger Turbocharger TCC Torque Converter Clutch Torque Converter TCM Transmission Control Module Transmission ECU (Electronic Control Unit)
 TP Throttle Position Throttle Position
 TR Transmission Range ±
IN±40± INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS

wBlow low compressed air (4.71 kPa (48 gf/cm2, 0.68
psi)) into port A and check that air does not flow from the
other ports.
If operation is not as specified, replace the charcoal canister.
w2JZ±GTE:
Blow low compressed air (4.71 kPa (48 gf/cm
2, 0.68
psi)) into port B and check that air does not flow from the
other ports.
If operation is not as specified, replace the charcoal canister.
(d) Clean the filter in the canister.
Clean the filter by blowing 294 kPa (3 kgf/cm
2, 43 psi) of com-
pressed air into port C while holding port A and B (2JZ±GTE
only) closed.
NOTICE:
wDo not attempt to wash the canister.
wNo activated carbon should come out.
(e) Reinstall the charcoal canister.
9. REPLACE GASKET IN FUEL TANK CAP
(a) Remove the old gasket from the tank cap. Do not damage the
cap.
(b) Install a new gasket by hand.
(c) Check the cap for damage or cracks.
(d) Install the cap and check the torque limiter.
10. INSPECT FUEL LINES AND CONNECTIONS
Visually check the fuel lines for cracks, leakage, loose con-
nections, deformation or tank band looseness.
11. INSPECT EXHAUST PIPES AND MOUNTINGS
Visually check the pipes, hangers and connections for se-
vere corrosion, leaks or damage.
12. ADJUST VALVE CLEARANCE
(See valve clearance inspection and adjustment in En-
gine Mechanical)
Valve clearance (Cold):
Intake
0.15±0.25 mm (0.006±0.010 in.)
Exhaust
0.25±0.35 mm (0.010±0.014 in.)
± MAINTENANCEMAINTENANCE OPERATIONSMA±9

Troubleshooting
If the CO/HC concentration does not comply with regulations,
troubleshoot in the order given below.
(a) Check (main heated) oxygen sensors operation.
(See oxygen sensor(s) inspection in SFI System)
(b) See the table below for possible causes, and then inspect
and correct the applicable causes if necessary.
 CO HC Phenomenon Causes
 
 
 
 
 
 
 
 
Normal 
 
 
 
 
 
 
 
High 
 
 
 
 
 
 
 
Rough idle 
 
 
 
 
 
 
 
1. Faulty ignitions:

Incorrect timing

Fouled, shorted or improperly gapped plugs

Open or crossed high±tension cords (2JZ±GE)

Cracked distributor cap (2JZ±GE)
2. Incorrect valve clearance
3. Leaky EGR valve
4. Leaky intake and exhaust valves
5. Leaky cylinder
 
 
 
 
 
 
 
 
Low 
 
 
 
 
 
 
 
High 
 
 
 
 
 
 
 
Rough idle
(Fluctuating HC reading) 
 
 
 
 
 
 
 
1. Vacuum leaks:

PCV hose

EGR valve

Intake manifold

Air intake chamber

Throttle body

IAC valve

Brake booster line
2. Lean mixture causing misfire
 
 
 
 
 
 
 
 
 
 
High 
 
 
 
 
 
 
 
 
 
High 
 
 
 
 
 
 
 
 
 
Rough idle
(Black smoke from exhaust) 
 
 
 
 
 
 
 
 
 
1. Restricted air filter
2. Faulty SFI systems:

Faulty fuel pressure regulator

Clogged fuel return line

Defective ECT switch

Defective turbo pressure sensor (2JZ±GTE)

Faulty ECM

Faulty injector

Faulty throttle position sensor

Faulty VAF meter (2JZ±GE)

Faulty MAF meter (2JZ±GTE)
EG±8± ENGINEENGINE MECHANICAL

ENGINE REMOVAL (2JZ±GE)
1. REMOVE HOOD
2. REMOVE RADIATOR ASSEMBLY
(See radiator removal in Cooling System)
3. DRAIN ENGINE OIL
4. DRAIN FUEL FROM FUEL TANK
5. DISCONNECT CONTROL CABLES FROM THROTTLE
BODY
Disconnect these cables:
wAccelerator cable
wCruise control actuator cable
6. REMOVE AIR CLEANER, VAF METER AND INTAKE AIR
CONNECTOR PIPE ASSEMBLY
(a) Disconnect the high±tension cord from the ignition coil.
(b) Disconnect the high±tension cord from the clamp on the air
cleaner.
(c) Disconnect the VAF meter connector.
(d) Disconnect the engine wire from the VAF meter.
(e) Disconnect these hoses:
(1) PS air hose from No.4 timing belt cover
(2) PCV hose from No.2 cylinder head cover
(f) Loosen the hose clamp bolt holding the intake air connector
pipe to the throttle body.
(g) Remove the 3 bolts, air cleaner, VAF meter and intake air
connector pipe assembly.
7. REMOVE DRIVE BELT, FAN, FLUID COUPLING
ASSEMBLY AND WATER PUMP PULLEY
(See step 6 in water pump removal in Cooling System)
8. REMOVE CHARCOAL CANISTER
9. DISCONNECT HEATER WATER HOSES
10. DISCONNECT BRAKE BOOSTER VACUUM HOSE
11. DISCONNECT EVAP HOSE
12. DISCONNECT WIRES AND CONNECTORS
(a) Disconnect the noise filter connector.
(b) Disconnect the ignition coil connector.
(c) Disconnect the engine wire from the wire clamp. EG±78
± ENGINEENGINE MECHANICAL

PREPARATION FOR DISASSEMBLY
1. M/T:
REMOVE FLYWHEEL
2. A/T:
REMOVE DRIVE PLATE
3. INSTALL ENGINE TO ENGINE STAND FOR
DISASSEMBLY
4. REMOVE GENERATOR
5. REMOVE TIMING BELT AND PULLEYS
(See timing belt removal)
6. REMOVE CYLINDER HEAD
(See cylinder head removal)
7. REMOVE OIL FILTER
(See oil and filter replacement in Lubrication System)
8. 2JZ±GTE:
REMOVE OIL COOLER
(See oil cooler removal in Lubrication System)
9. REMOVE NO.2 WATER BYPASS PIPE
(a) 2JZ±GE:
Remove the bolt, 2 nuts, water bypass pipe and gasket.
(b) 2JZ±GTE:
Remove the 2 bolts, 2 nuts, water bypass pipe and gasket.
10. REMOVE OIL FILTER BRACKET
Remove the union bolt, gasket, oil filter bracket and O ±ring.
11. REMOVE LH ENGINE MOUNTING BRACKET AND
INSULATOR ASSEMBLY
12. REMOVE FUEL PIPE SUPPORT EG±98
± ENGINEENGINE MECHANICAL