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Fuel economy system icon is no longer showing on the dash

Tiny
FRANKBEL
  • MEMBER
  • 2009 DODGE RAM
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 127,000 MILES
My truck is equipped with a fuel economy system where the transmission drops to lower cylinders while driving. Recently I do not see the icon on dash that tells me it shifted to lower cylinder. Is there something I might have turned off accidentally? Any help would be greatly appreciated.
Thank you
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Tuesday, November 29th, 2016 AT 9:31 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,537 POSTS
Hey Frankbel,

Yes you could have turned this option off, I would look in your owner's manual for this under "economy" or "fuel mileage".

If all checks out run the codes to see if any come up, if there is a code it will not allow this option to work.

Here is a guide that will help you.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know happens so it will help others.

Best, Ken
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Thursday, December 1st, 2016 AT 12:14 PM

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