Specifications

TROUBLESHOOTING
F213
F
NO.15 EMISSION COMPLIANCE
A6E398018881W17
Diagnostic procedure
15 EMISSION COMPLIANCE
DESCRIPTION Fails emissions test.
POSSIBLE CAUSE
• Vacuum lines leakage or blockage
• Cooling system malfunction
• Spark plug malfunction
• Leakage from intake manifold
• Erratic or no signal from CMP sensor
• Inadequate fuel pressure
• PCV valve malfunction or incorrect valve installation
• EGR valve malfunction
• Exhaust system clogging
• Fuel tank ventilation system malfunction
• Charcoal canister damage
• Air cleaner element clogging or restriction
• Throttle body malfunction
• Spark leakage from high-tension leads
• Improper air/fuel mixture ratio control operation
• Catalyst converter malfunction
• Engine internal parts malfunction
• Excessive carbon is built up in combustion chamber
• Improper engine compression
• Improper valve timing
Warning
The following troubleshooting flow chart contains fuel system diagnosis and repair
procedures. Read following warnings before performing fuel system services:
•
••
• Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always
keep sparks and flames away from fuel.
•
••
• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or
death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete
BEFORE REPAIR PROCEDURE and AFTER REPAIR PROCEDURE described in this
manual.
(See F17 BEFORE REPAIR PROCEDURE.)
(See F17 AFTER REPAIR PROCEDURE.)
Caution
•
••
• Disconnecting/connecting quick release connector without cleaning it may possibly cause
damage to fuel pipe and quick release connector. Always clean quick release connector
joint area before disconnecting/connecting, and make sure that it is free of foreign material.
STEP INSPECTION RESULTS ACTION
1 Inspect for following:
• Vacuum lines for leakage or blockage
• Electrical connections
• Proper maintenance schedule followed
• Intake-air system and air cleaner element
concerns: obstructions, leakage or dirtiness
Are all items okay?
Yes Go to next step.
No Service as necessary.
Repeat Step 1.
2 Connect WDS or equivalent to DLC-2.
Retrieve any continuous memory, KOEO and
KOER DTCs.
Are there any DTCs displayed?
Yes DTC is displayed:
Go to appropriate DTC test.
No No DTC is displayed:
Go to next step.
3 Is any other drivability concern present? Yes Go to appropriate symptom troubleshooting.
No Go to next step.
4 Connect WDS or equivalent to DLC-2.
Access ECT PID.
Warm up engine and run it at idle.
Verify ECT PID is correct.
(See F45 PCM INSPECTION.)
Is ECT PID correct?
Yes Go to next step.
No Inspect for coolant leakage, cooling fan and condenser
fan operation or thermostat operation.