2001 Dodge Ram Help!

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MRSMUDDPUPPIE
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  • 1 POST
2001 Dodge Ram V8 Four Wheel Drive Automatic

I previously asked a question about the code P0455. We fixed that problem. The check engine light has not come back on, but the engine still surges while I'm driving. It's really bad when I have the cruise control on. The RPM's go up about 100 to 200. What in the world could be causing the truck to do this? Please help!
Sep 28, 2009 at 2:45 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,245 POSTS
In neutral or park does the idle change? Have you checked for vacuum leaks? Fuel pump pressure?
Oct 3, 2009 at 5:20 PM
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