Question about 2002 Kia Optima

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Rpms rev up while in park

Rmps rev high while car is in park

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Its sucking in too much air, idle control valve stuck open or inlet manifold is leaking

Posted on Nov 27, 2013

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Posted on Jan 02, 2017

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2001 grand prix when you rev up motor in park starts cutting out at high rpms


IT IS DOING WHAT ITS SUPPOSED TO DO. THE REV LIMITER IS TO KEEP YOU FROM HAVING HIGH RPM WITH NO LOAD ON ENGINE

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What could cause a 1998 sl2 to rev up high in park?


It could be a MAP sensor. Your rpms increase without giving gas. Also, your fuel compnents may be bad, giving improper fuel to the engine.

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Have 1999 cavilleir does it have a rpm protecter


Yes, the PCM for your vehicle's engine has a rev/speed limit seeting programmed into it. Most stock, non high performance/police package vehicles usually won't go above a top speed of 97MPH. if you were to rev your engine while it was in park or neutral, once the engine reaches the cut out rpm limit preset in the PCM, it will cause the engine to cut back, then it will rev up until it hits the preset limit, then cut back, and it keep repeating that pattern. It may sound as though you have a high rev ignition failure that sounds like waaa, waaa, waaa, waaa, but that indicates the PCM is doing its job.

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Car vibrates in park and low rpms


its ur harmonic ballancer and u neeeeeeeed to fix that. trust me. i know it flew off my car yesterday and it had been vibrating like that. its almost 200 bucks/

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1 Answer

IDLES HIGH RPM(3200)


sounds like the tps is bad or idle control motor

Feb 13, 2009 | 1996 Mazda MX-6

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Engine problem


The codes don't match up to the chart. Do the keydance again and see if there is any difference.

here's the codes http://www.2gnt.com/index.php?d=PCM%20Error%20Codes

24 (Throttle position sensor voltage does not agree with MAP)
14 (MAP sensor voltage too low/too high)
Points to the map sensor.

I've scanned a couple pages in my Haynes manual and uploaded them for you. These pages will help you check out the sensors.

http://s145.photobucket.com/albums/r217/Carnifreekshow/Keydance%20help/

The password is johnw

More than likely it's the map sensor. I remember when i turboed my car i had major problems with the safc and the map sensor. It would act just like yours does. The ecu doesn't use the map sensor in closed loop mode. Open loop starts at 4000rpms and will start reading values from the map. If it is receiving values not in spec then it will limit the rpms and stay locked in closed loop.

Replace the map sensor and let me know how it turns out.

Sep 15, 2008 | 1996 Mitsubishi Eclipse

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