Ruff idle related to bad muffler?

Tiny
FUTUREXBOY
  • MEMBER
  • 1998 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
My Dodge Ram 1500 4x4 dies on warm start up, will run on cold start up, and will run with foot into gas after it has warmed up; I also discovered that my muffler has rusted out, and is disconnected from the tail pipes on the backside, still connected on cab side. Could the muffler problem be causing the problem with the engine not wanting to idle after it has warmed up? Also there is an big oder of gas at start up.
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Saturday, December 11th, 2010 AT 9:33 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
No, the muffler won't cause that. Has the check engine light come on? Have you checked for vacuum leaks? Have you checked the idle air control valve (IAC)?

Let me know.

Joe
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Tuesday, December 21st, 2010 AT 7:33 PM

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