2004 FORD RANGER ROUGH IDLE WHEN WARMED UP.

  • Tiny
  • DannyRobinson
  • 2004 Ford Ranger
  • 140 miles

My Ford Ranger Edge (2004, 2WD, Automatic Transmission, 3.0 V6) has been idling rough once it reaches normal operating temperatures. I've installed new sparkplugs, new sparkplug wires, new ignition coil, new Idle Air Control Valve and cleaned the MAF sensor. Unfortunately none of these has had any effect on the condition. I've ordered a new PCV valve from O'Reily Auto Parts (Advanced Auto didn't carry and couldn't order the part). Any questions and/or suggestions relevant to this problem would be welcome. Thanks!

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Thursday, June 6th, 2013 AT 10:26 AM

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  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

The EGR could be part of the problem. However, usually the check engine light comes on with it. Have you checked for vacuum leaks?

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Thursday, June 6th, 2013 AT 4:09 PM

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