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Surging motor Dodge Ram 50 import 1992 FI

Tiny
JIM COLLINS
  • MEMBER
  • 1992 DODGE RAM
This Mitsubishi motor runs fine for an indefinite period then begins surging to such an extent as to be undriveable. A Dodge mechanic analyzed it and assured me it was the Idle speed control (or Idle Air Control), which I replaced, and the problem remains the same. Someone else suggests the EMC or engine control module.
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Tuesday, February 20th, 2007 AT 9:40 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
If there are no vacuum leaks, and the minimum idle screw has never been touched then you should try cleaning out the throttle bore. Use a little carb spray and a rag to clean where the air intake hooks up to the engine, clean all around the throttle plate
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Wednesday, February 21st, 2007 AT 8:11 AM

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