No passing gear

2010 DODGE RAM
70,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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451 IRONWORKER
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  • 1 POST
What would make my truck lose passing gear,and rpm's go up to around 3000 at sixty five mph?
Feb 19, 2018 at 4:13 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello,

It sounds like you have an input speed sensor failure but to be sure lets run the codes to see what comes up.

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

Please run this test and get back to us.

Cheers, Ken

Feb 20, 2018 at 12:22 PM
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