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Symptom Troubleshooting Index
These symptoms DO NOT trigger diagnostic trouble codes (DTCs) or cause the malfunction indicator lamp (MIL) to
come on. If the MIL is reported on, check for DTCs. If the vehicle has one of these symptoms, do the diagnostic
procedure for it, in the sequence listed, until you find the cause.
Symptom
Engine will not start
(MIL works OK, no DTCs
set)
Engine will not start
(MIL comes on and stays on,
or never comes on at all, no
DTCs set)
Engine will not start
(immobilizer indicator stays
on or flashes)
Hard starting
(MIL works OK, no DTCs
set)
Cold fast idle too low
(MIL works OK, no DTCs
set)
Cold fast idle too high
(MIL works OK, no DTCs
set)
Idle speed fluctuates
(MIL works OK, no DTCs
set)
Low power
(MIL works OK, no DTCs
set)
Engine stalls
(MIL works OK, no DTCs
set)
Difficult to refuel
(MIL works OK, no DTCs
set)
('01-04 models)
Fuel overflows during
refueling
(No DTCs set)
('01-04 models)
Diagnostic procedure
1.
Test the battery (see page 22-87).
2.
Test the starter (see page 4-5).
3.
Test the fuel pump (see page 11-218).
4.
Test the ignition coil.
Troubleshooting the MIL circuit (see page 11-166).
Troubleshoot the immobilizer system (see page 22-239).
1.
Test the battery (see page 22-87).
2.
Check the fuel pressure (see page 11-216).
3.
Test the ignition coil.
1.
Do the idle learn procedure (see page 11-202).
2.
Check/adjust the idle speed (see page 11-201).
1.
Do the idle learn procedure (see page 11-202).
2.
Check the idle speed (see page 11-201).
3.
Inspect/adjust the throttle cable (see page 11-242).
4.
Inspect and test the throttle body (see page 11-237).
1.
Do the idle learn procedure (see page 11-202).
2.
Check the idle speed (see page 11-201).
3.
Inspect/adjust the throttle cable (see page 11-242).
4.
Inspect and test the throttle body (see page 11-237).
1.
Check the fuel pressure (see page 11-216).
2.
Inspect and test the throttle body (see page 11-237).
3.
Inspect/adjust the throttle cable (see page 11-242).
1.
Do the idle learn procedure (see page 11-202).
2.
Check the fuel pressure (see page 11-216).
3.
Check/adjust the idle speed (see page 11-201).
4.
Troubleshoot the brake pedal position switch signal
circuit (see page 11-199).
1.
Test the fuel tank vapor control valve (see page 11-298).
2.
Inspect the fuel tank vapor signal tube between the fuel
pipe and the fuel tank vapor control valve.
3.
Inspect the fuel tank vapor vent tube between the EVAP
canister and the fuel tank vapor control valve.
4.
Check the EVAP canister.
Replace the fuel tank vapor control valve (see page 11-301).
Also check for
•
Low compression
•
Intake air leaks
•
No ignition spark
•
Locked up engine
•
Jumped/
broken timing belt
•
Contaminated fuel
•
Low compression
•
Intake air leaks
•
Contaminated fuel
•
Weak ignition
spark
Intake air leaks
•
Low compression
•
Engine oil level
•
Intake air leaks
•
Faulty harness or
sensor
connections
Malfunction gas
station filling nozzle.
Malfunction gas
station filling nozzle.
11-9
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Troubleshooting
