NO.26 EXHAUST SULPHUR SMELL [L3 Turbo]

id0103b4803200

26

EXHAUST SULPHUR SMELL

DESCRIPTION

Rotten egg smell (sulphur) from exhaust

POSSIBLE CAUSE

• Electrical connectors are disconnected or connected poorly
• Charcoal canister malfunction
• Vacuum lines are disconnected or connected improperly.
• Improper fuel pressure
• Poor fuel quality
Warning
The following troubleshooting flow chart contains fuel system diagnosis and repair procedures. Read following warnings before servicing fuel system:
• 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 BEFORE SERVICE PRECAUTION [L3 Turbo].)
(See AFTER SERVICE PRECAUTION [L3 Turbo].)
Caution
• Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.

Diagnostic procedure

STEP

INSPECTION

RESULTS

ACTION

1
Are any driveability or exhaust smoke concerns present?
Yes
Go to the appropriate flow chart.
No
Go to the next step.
2
Inspect for the following:
• Electrical connections
• Vacuum lines
• Fuel quality
Are all items normal?
Yes
Go to the next step.
No
Service if necessary.
Repeat Step 2.
3
Connect the WDS or equivalent to the DLC-2.
Turn the ignition switch to the ON position (Engine off).
Retrieve any DTCs.
Are there any DTCs displayed?
Yes

DTC is displayed:

Go to the appropriate DTC test.
No

No DTC is displayed:

Go to the next step.
4
Access and monitor FUEL_PRES PID.
Is the FUEL_PRES PID value within the specified?
Yes
Go to Step 8.
No
Go to the next step.
5
Is vehicle accelerate performance normally?
Yes
Go to the next step.
No
Go to Step 7.
6
Inspect the fuel pressure sensor.
Is the fuel pressure sensor normal?
Yes
Go to Step 8.
No
Go to the next step.
7
Replace the high pressure fuel pump.
Monitor FUEL_PRES PID.
Is the FUEL_PRES PID value within the specified?
Yes
Troubleshooting is completed.
Go to Step 9.
No
Go to the next step.
8
Inspect the charcoal canister for fuel saturation.
Is excess amount of liquid fuel present in canister?
Yes
Replace the charcoal canister.
No
Inspect the fuel tank vent system.
If fuel tank vent system is normal, suggest trying a different brand since sulfur content can vary in different fuels.
If fuel tank vent system is not normal, repair or replace the malfunctioning parts.
9
Verify test results.
• If normal, return to the diagnostic index to service any additional symptoms.
• If a malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform the repair or diagnosis.
- If the vehicle is repaired, troubleshooting is completed.
- If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.le. Retest.