1999 Plymouth Voyager high idle when in park or neutral

Tiny
2CARPROS-ARCHIVES
  • MEMBER
  • 1999 PLYMOUTH VOYAGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
1999 Plymouth Voyager mileage: 160,000. The Rpm's rise to 2000 when my car is in park or neutral. This just recently started happening. It usually idles just above 1000. When I put it in any gear without giving gas it drops back to the normal 1 position. We had the timing chain replaced about a month ago, but it was running fine until this week.
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Thursday, October 28th, 2010 AT 7:08 PM

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Tiny
2CARPROS-ARCHIVES
  • MEMBER

Answer: Your car may be ready for a major tune-up including spark plugs, plug wires, distributor cap, rotor, fuel filter and air filter. Also, perform a fuel pump pressure test. Clean fuel injection system including throttle bore, idle speed control motor and passages. If problem still exists, scan computer for trouble codes.

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Thursday, October 28th, 2010 AT 7:17 PM

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