Question about 1999 Ford Taurus

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Everytime i start it it revs up to 1500 to 2000 rpms for 30 second or so.it should only do this when its first started when cold,not when its already warmed upped right?

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  • Ford Master
  • 2,620 Answers

Yes your right! Sounds to me the idle air control valve is stuck open just a little to much which would cause the computer to feed the engine more fuel and cause this high rpm problem.Take it off and try cleaning the carbon out of it so that the piston sits flush in its seat then reset the computer by disconnecting the ground cable on the battery for 30 seconds.If all fails you will need to replace the IAC valve and reset the computer afterwards.

Posted on Oct 11, 2013

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: defrost blows cold air

Sounds like you have a plenum door that is not opening when you go into defrost mode. You will have to check all your vacuum hoses and switching valves under the dash to see which one is not working. Hope this helps.

Posted on Jan 18, 2009

  • 398 Answers

SOURCE: Cold days 94 f-150 high rpm start

probably is a emissions sensor problem, lots of these parts are plastic. check out the throttle cables, lub em wd40. there is a type of valve somewhere on top of engine, it may be cracked, pcv valve stuck. lots of possibilities, almost too much for solution online. something emmissions with an electronic sensor is acting up.

Posted on Feb 25, 2009

csmock132
  • 4669 Answers

SOURCE: 94 tauras AT once warmed up trans will drop out gear at a stop

This is a common problem. You have a cracked forward clutch piston. Ford made this part out of aluminum. The replacements are steel. But you have to disassemble the transmission to install it. ( I know you said Rev too, In the AXODE trans, the forward clutch is on in 1st and reverse)

Posted on Apr 08, 2009

ourhowse
  • 2007 Answers

SOURCE: it idles fine when cold but when it starts to get warm it idles rough, you can feel it going up and down not badly but i can feel it and see it on the rev counter

Faulty idle air control valve. You could try and clean it with some carb cleaner, or replace it.

Posted on Jun 03, 2009

Ken17402
  • 615 Answers

SOURCE: 2000 Ford Taurus SEL 4

the first part of problem could be sensors or bad ECM (computer) second part of question sounds like you are low on antifreeze.

Posted on Nov 26, 2010

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Good day: I don't accept that cold starting an engine at 2000 RPM is OK. Those immediate revs on a cold engine are wearing out parts that need oil lube and warm-engine clearances. Is there a simple way of...


I have heard that Fords theory behind that is to supply maximum oil pressure to moving parts sooner. All the Ford products do this and the motors last well into the hundreds of thousand of miles. I wouldn't be to worried about it since there is no issue with it to my knowledge and there is no way to limit the cold start RPM's.

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