my dodge ram 1500 5.9 wont go pass 40 think its my transmisson

Asked by angelo2000 Mar 28, 2014 at 07:52 PM about the 1999 Dodge RAM 1500 Laramie SLT Quad Cab LB RWD

Question type: Maintenance & Repair

my dodge ram 1500 5.9  wont go pass 40 think its my transmisson

3 Answers
25,275

Mark answered 10 years ago

If it's lacking power under load, it may be the catalytic converter. Excessive back pressure in the exhaust. If you hear any rattling under the truck, its a giveaway to a bad cat. Cats become carbon clogged and need to be replaced over time.

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20

pancho123 answered 10 years ago

Excuse me so how did you fix the problem mine has excaltly the same problem same truck ?

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