13-32
FUEL SYSTEM - Troubleshooting/Service Adjustment Procedures
FUEL TANK AND FUEL LINEMlBEAAA
Symptom Probable cause Remedy
Engtne malfunctions
Bent or kinked fuel pipe or hose Repair or replace3ue to insufficient fuel
SUPPlYClogged fuel pipe or hoseClean or replace
Clogged fuel filter or in-tank fuel filter Replace
Water in fuel filter Replace the fuel filter or clean the fuel tank
and fuel line
Dirty or rusted fuel tank interior Malfunctioning fuel pump
(Clogged filter in the pump) Clean or replace
Replace
Evaporative emission Mispiping of vapor line
Correct
control system malfunc-
tions (When fuel tank Disconnect vapor line piping joint Correct
filler tube cap is re- moved, pressure releas-
Folded, bent, cracked or clogged vapor line Replace
ng noise is heard) Faulty fuel tank filler tube cap
Malfunctioning fuel tank pressure control
valve Replace
Replace
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A0086SERVICE ADJUSTMENT PROCEDURES
CURB IDLE SPEED INSPECTION
MlBFHAFt
(1) The vehicle should be prepared as follows before the inspection.
lEngine coolant temperature: 85-95°C (185-203°F)
l Lights, electric cooling fan and accessories: OFF
l Transaxle: Neutral
(P for vehicles with an automatic
transaxle)
(2) Connect a tachometer or connect the scan tool to the data
link connector.
NOTE
Refer to
P.13-33 for information concerning connection Of
a tachometer.
(3) Set a timing light in position.
(4) Ground the terminal for adjustment of ignition timing.
(5) Start the engine and let it idle.
(6) Check whether or not the ignition timing is the standard
value; if not, adjust.
Standard value:
5”BTDC + 2”
(7) Stop grounding the terminal for adjustment of ignition timing. .
(8) Let the engine idle for two minutes.
(9) Check the idling rpm.
Curb idle speed:
7502 100 rpm
NOTE
The idling rpm is automatically regulated by the idle-speed control system.
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FUEL SYSTEM - I?~FS~~ZFZLnt Procedures13-133
FUEL TANK AND FUEL LINEMIBEAAB
Symptom
Probable cause Remedy
Engine malfunctions
due to insufficient
fuel supply Bent or kinked fuel pipe or hose
Clogged fuel pipe or hose
Clogged fuel filter or in-tank fuel filter
Water in fuel filter Repair or replace
Clean or replace
Replace
Replace the fuel filter or clean the
fuel tank and fuel line
Dirty or rusted fuel tank interior
Clean or replace
Malfunctioning fuel pump
(Clogged filter in the pump)Replace
Evaporative emission
control system
malfunctions
[When fuel tank filler
tube cap is removed,
pressure releasingnoise is heard) Mispiping of vapor line
Disconnected vapor line piping joint
Folded, bent, cracked or clogged vapor line
Faulty fuel tank filler tube cap
Malfunctioning fuel tank pressure control valve Correct
Correct
Replace
Replace
Replace
SERVICE ADJUSTMENT
PROCEDURES
CURB IDLE SPEED INSPECTIONhll3MAE
(1) The vehicle should be prepared as follows before th
e
inspection.
lEngine coolant temperature: 85-95°C (185-203°F)
l Lights, electric cooling fan and accessories: OFF
l Transaxle: Neutral (P for vehicles with an automatic
transaxle)
(2) Connect a tachometer.
NOTE
Refer to
P.13-134 for information concerning connection Of
a tachometer.
(3) Set a timing light in position.
(4) Ground the terminal for adjustment of ignition timing.
(5) Start the engine and let it idle.
(6) Check whether or not the ignition timing is the standard
value; if not, adjust.
Standard value:
5”BTDC f 2”
(7) Stop grounding the terminal for adjustment of ignition timing.
(8) Let the engine idle for two minutes.
(9) Check the idling rpm.
Curb idle speed: 700
31100 rpm
NOTE
The idling rpm is automatically regulated by the idle aircontrol system.
(lO)lf not within the standard value range, refer to the CHECK
CHART CLASSIFIED BY PROBLEM SYMPTOMS and check
the
MFI component,
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