Mazda CX-9 Grand Touring 2009 Manual page 1377

NO.26 EXHAUST SULPHUR SMELL [MZI-3.7]S
NO.26 EXHAUST SULPHUR SMELL (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE
CAUSES
26 EXHAUST SULPHUR SMELL
DESCRIPTION Rotten egg smell (sulphur) from exhaust
POSSIBLE
CAUSE
DIAGNOSTIC PROCEDURE
NO.26 EXHAUST SULPHUR SMELL (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP INSPECTION
Are any driveability or exhaust
1
smoke concerns present?
Inspect the following:
2008 Mazda CX-9 Grand Touring
2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
(See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
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 SERVICE
PRECAUTION" and "AFTER SERVICE PRECAUTION" described in this
manual.
(See BEFORE SERVICE PRECAUTION [MZI-3.7] .)
(See AFTER SERVICE PRECAUTION [MZI-3.7] .)
CAUTION:
Disconnecting/connecting quick release connector without cleaning it
may 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.
RESULTS
Yes
No
ACTION
Go to the appropriate flow chart.
Go to the next step.