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Will not shift out of first gear

Tiny
TODDADURAN
  • MEMBER
  • 1999 DODGE DURANGO
  • V8
  • 4WD
  • AUTOMATIC
  • 99,852 MILES
So my vehicle struggles to shift out of first gear when you give it too much gas. It will basically red-line if you press to much on the gas, but at lower RPM's, it shifts fine.
What could the problem be?
Monday, February 9th, 2009 AT 11:52 AM

2 Replies

Tiny
JCORZINE
  • MEMBER
  • 2 POSTS
Hello,

This happens when the catalytic converter starts to plug up because it changed the vacuum the computer sees. We can confirm the issue by following this guide.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down this guide and report back.

Cheers
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Monday, February 23rd, 2009 AT 9:22 AM
Tiny
JEHENDERSON
  • MEMBER
  • 1 POST
I had this problem as well. The shop replaced the catalytic converters for $650.00 all fixed!
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Saturday, July 7th, 2018 AT 10:50 AM

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