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Rpm hesitation around 4,000 on my 01Daewoo Leganza CDX not sure why it does it cause the car idols great and all its really annoying when driving on the freeway trying to hold its power.

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This is most likely the throttle position sensor. Have it scanned at autozone or similar and see it you have any codes to confirm I am correct. Good luck and best wishes!

Posted on Nov 28, 2014

  • Kyle Ohara Nov 29, 2014

    Its weird cause there's no engine light & I just put a new TPS on. I cleaned the EGR valve & IAS along with the throttle body gate flap put a new camshaft sensor on. It idels fine but it looses its power/cutting out.

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SOURCE: Honda CR-V - 2004 - High RPM not returning to Idol RPM ????

i'am no expert on this car, but i would chk. the T.P.S. (throutle positioning sensor) there also may be carbon build up on throutle butterfly, not letting it close completely when you take your foot off the pedel.

Posted on Jan 14, 2009

bitchn65cuda
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SOURCE: Idols fine but when you try to drive it looses power. Have already replaced cat converter, fuel pump,fuel injector, and electronic control unit. Is a 318 5.2L Throttle body Inj.

check compression for each cylinder....if they are good check your transmission..

Posted on Apr 25, 2009

carconet
  • 38 Answers

SOURCE: 2001 Honda Civic warm idol

on the accelerator cable in the engine compartment at the intake should be a little screw that will give you a little play for the idle

Posted on Aug 05, 2010

kken123
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SOURCE: 2003 pajero 3.2 smokey when cold . code 25 and 43

Sounds like you have some valve guide seals bad or broken rings on the pistons that is if it is an oil smoke.If it is a flood smoke it sounds like you have an 02 sensor that has went bad.

Posted on Feb 02, 2011

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