Mazda MX-5 Miata Sport 2007, Manual

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NO.26 EXHAUST SULPHUR SMELL [LF]
POSSIBLE CAUSE & DESCRIPTION (EXHAUST SULPHUR SMELL)
OR A/C
COMPRESSOR RUNS
CONTINUOUSLY
[LF]
.
2 Connect the M-MDS 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 inspection.
(See
DTC TABLE
[LF] .)
No No DTC is displayed:
Inspect accelerator pedal
position sensor.
3

Verify test results.

If normal, return to diagnostic index to service any additional
symptoms.
(See ENGINE SYMPTOM TROUBLESHOOTING [LF] .)

If malfunction remains, inspect related Service Bulletins and/or
On-line Repair Information and perform repair or diagnosis.

If vehicle is repaired, troubleshooting completed.

If vehicle is not repaired or additional diagnostic
information is not available, replace the PCM.
(See PCM REMOVAL/INSTALLATION [LF] .)
26 EXHAUST SULPHUR SMELL
DESCRIPTION Rotten egg smell (sulphur) from exhaust

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 DIAGNOSTIC PROCEDURE
TABLE contains fuel system diagnosis and
repair procedures. Read following
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:11 PM Page 106 © 2005 Mitchell Repair Information Company, LLC.