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2005 Mazda M3 S 2.3 L automatic

Tiny
JGALLA64
  • MEMBER
  • 2005 MAZDA 3
  • 4 CYL
  • AWD
  • 81,000 MILES
After driving my 2005 Mazda M3S with a 2.3 L engine for about 75 to 100 miles on the highway at 75 mi./H the car will decelerate to about 20 mi./H I have at the Mazda dealer and they cannot duplicate the problem any suggestions
Tuesday, April 12th, 2011 AT 6:17 PM

1 Reply

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Run a scan for stored codes. In my experience this is indicative of a rev-limiter being hit or a speed governor being reached. However, it can also be an issue with the computer or sensors causing the computer to fall into 'limp home mode".
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Monday, July 11th, 2011 AT 10:05 PM

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