Q: Dodge Ram 1500 won't go over 20 miles it's a 2007

asked by on January 11, 2017

The truck won't go over 20 miles
My car has an automatic transmission.

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Hi Lisa. Without knowing specifics about what may have occurred prior to your truck only going 20 mph, it’s hard to give you accurate advice. It’s possible that your truck may have a transmission issue, which typically triggers a limp mode; which reduces the vehicles ability to accelerate. To diagnose this, you’ll have to contact a professional mechanic to complete a check engine light inspection first; so they can download error codes and determine what might be causing this problem.

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