Question about 1999 Daewoo Nubira

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'97 Daewoo Nubira 1.6L Eurowagon

Car us idle-ing between 1500-2000 rpm just after i start it up drives well but just idles real high

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  • Anonymous Oct 02, 2008

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Hi, I had this problem with my 1998 daewoo nubira cdx sation wagon, the fault finder they hooked up said there was a fault with the throttle body so they replaced this twice before realising the "IAC UNIT" was faulty (This is to do with the 'ECU' apparently), The fault with the 'IAC UNIT' caused the wiring to arc and cause the said problem. Here is the list of what they did to mine.
"Remove TPS and IAC DRIVE (Replace IAC UNIT) and REPAIR WIRING and RECALIBRATE.
This cost approx $70 for the IAC unit and 1 hour to do the job for them.
Hope this helps, Cheers, Mark

Posted on Oct 17, 2008

Probably a vacuum leak

Posted on Sep 18, 2008

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How to fix high aidla speed on Daewoo nubira 1998?


High idle speed on any fuel injected car engine ussually means an intake air leak or faulty idle speed motor, but maybe faulty coolant temp switch, check if coolant level in radiator is to top of neck ONLY OPEN RADITOR WHEN ENGINE IS COLD, this is for personal safety. Get a trigger spray bottle of water and spray around all parts of the inlet manifold if leak evident rgine should run slightly rough. other poss prob could be brake booster faulty or booster one way faulty or hose split. Good luck.

Nov 20, 2014 | 1999 Daewoo Nubira

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Hi,

Based on your description, could be anything:
  • throttle control (including A/C compensator);
  • auto choke;
  • engine management;
  • auto cruise (if your model has one)
A couple of clarifying questions:
  1. What is your standard set idling RPM, 1000? with or without A/C?
  2. Automatic or conventional/manual trnasmission?
  3. When was the last major tune-up? What parts were replaced?
  4. Does it sound like misfiring also?
  5. Any other indicators, hard starting, long warmup, stalling, excessive gas consumption, smarting to the eyes exhaust fumes?
  6. Does your battery light lits up?
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 27, 2008 | 1999 Daewoo Nubira

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May 13, 2009 | 1999 Daewoo Nubira

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First locate the IAC valve located on the side of the throttle body and has 4 wires going to it .Procedure is as follows
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Jan 17, 2009 | 2000 Daewoo Nubira

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amf07ph..

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1 Answer

Year 2000 Nubira Wagon automatic. When starting the revs are way to high. Any permanent way to fix... Thanks Peter


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Aug 27, 2008 | 2000 Daewoo Nubira

1 Answer

Idle rpm


hi
fix it by change the throttle motor because it was have the problem check the result and ask us for more information
with my best wishes

Jun 01, 2008 | 1999 Daewoo Nubira

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