What causes an engine to run at higher than normal rpms while driving?

2002 DODGE DAKOTA
88,000 MILES
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GORDONEW
  • MEMBER
  • 1 POST
When driving the engine revs at a higher than normal rpm. It shifts gears with no problem(automatic transmission). It almost sounds like the choke is sticking, like on an older model car. It started doing it when the engine was cold, but now does it all the time.
Apr 1, 2012 at 4:06 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Check for a stuck Idle Air Control valve and ensure coolant level in radiator is correct.

Check for leaking vacuum at intake manifold.

If the MIL is indicating, get a scan done to check for trouble codes.
Apr 1, 2012 at 5:27 AM
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