Mazda 626 1995–2018 — technical service bulletin
Bulletin 01-016-18-3522 · NHTSA communication 10145242 · issued Sep 6, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
1995–2018
model years
60
vehicle entries
Official summary
On some vehicles, a sulfur smell or 'rotten egg' odor may be noticed coming from the exhaust system. The odor is usually noticed after a cold start, fast idle, extended periods of idling and full throttle acceleration. Sulfur smell is not an indication of an engine concern and will not cause reduced driveability or durability of the engine or any of its emission components. The sulfur smell or 'rotten egg' odor is caused by high amounts of sulfur in the gasoline being used in the vehicle. Sulfur is normally eliminated during the refining process, but the EPA regulation of sulfur in gasoline di
Vehicles covered
- 1997 Mazda 626
- 1998 Mazda 626
- 1999 Mazda 626
- 2000 Mazda 626
- 2001 Mazda 626
- 2002 Mazda 626
- 1995 Mazda B-Series Truck
- 1996 Mazda B-Series Truck
- 1997 Mazda B-Series Truck
- 1998 Mazda B-Series Truck
- 1999 Mazda B-Series Truck
- 2000 Mazda B-Series Truck
- 2001 Mazda B-Series Truck
- 2002 Mazda B-Series Truck
- 2003 Mazda B-Series Truck
- 2004 Mazda B-Series Truck
- 2005 Mazda B-Series Truck
- 2006 Mazda B-Series Truck
- 2007 Mazda B-Series Truck
- 2008 Mazda B-Series Truck
- 2009 Mazda B-Series Truck
- 2016 Mazda CX-3
- 2017 Mazda CX-3
- 2018 Mazda CX-3
- 2013 Mazda CX-5
- 2014 Mazda CX-5
- 2015 Mazda CX-5
- 2016 Mazda CX-5
- 2017 Mazda CX-5
- 2018 Mazda CX-5
- 2007 Mazda CX-7
- 2008 Mazda CX-7
- 2009 Mazda CX-7
- 2010 Mazda CX-7
- 2011 Mazda CX-7
- 2007 Mazda CX-9
- 2008 Mazda CX-9
- 2009 Mazda CX-9
- 2010 Mazda CX-9
- 2011 Mazda CX-9
- 2012 Mazda CX-9
- 2013 Mazda CX-9
- 2014 Mazda CX-9
- 2015 Mazda CX-9
- 2016 Mazda CX-9
- 2017 Mazda CX-9
- 2018 Mazda CX-9
- 2011 Mazda MAZDA2
- 2012 Mazda MAZDA2
- 2013 Mazda MAZDA2
- 2014 Mazda MAZDA2
- 2004 Mazda MAZDA3
- 2005 Mazda MAZDA3
- 2006 Mazda MAZDA3
- 2007 Mazda MAZDA3
- 2008 Mazda MAZDA3
- 2009 Mazda MAZDA3
- 2010 Mazda MAZDA3
- 2011 Mazda MAZDA3
- 2012 Mazda MAZDA3
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.