Question about 2000 Daewoo Lanos

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Daewoo Lanos 2000 idles FAST at 2500rpm , heavy on gas and car is stuttering trying to get up to speed.

My friend bought this car in a emergency situation, and this is how she described it. She didn't notice if the car was idling fast when she bought it, but she did notice that it used a lot of gas. Wondering if it had bad leads to begin with and owner bumped up the idle to keep it running. Is there something else that might cause it to idle fast and use so much fuel.

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  • Steve
    Steve Jan 25, 2013

    Because I'm not familiar with the car AND haven't seen it, is there and idle adjustment screw or is it al controlled by computer?

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

stevenhurc
  • 450 Answers

SOURCE: car wont idle

idle stepper motor(IAC) controls idle speed it is located on throttle body
f33d4ad.jpg IDLE LEARN PROCEDURE
Whenever the battery cables, the electronic control
module (ECM), or the ECM fuse is disconnected or replaced,
the following idle learn procedure must be performed:
1. Turn the ignition ON for 5 seconds.
2. Turn the ignition OFF for 5 seconds.
3. Turn the ignition ON for 5 seconds.
4. Start the engine in P/N (park/neutral).
5. Allow the engine run until the engine coolant is
above 85_C (185_F).
6. Turn the air conditioning (A/C) ON for 10 seconds, if
equipped.
7. Turn the A/C OFF for 10 seconds, if equipped.
8. If the vehicle is equipped with an automatic transaxle,
apply the parking brake. While pressing the
brake pedal, place the transaxle in drive (D).
9. Turn the A/C ON for 10 seconds, if equipped.
10. Turn the A/C OFF for 10 seconds, if equipped.
11. Turn the ignition OFF. The idle learn procedure is
complete.

Posted on Jul 04, 2009

stevenhurc
  • 450 Answers

SOURCE: 2000 Daewoo Lanos intermittently idles rough

check throttle body and pcv hoses and ports for blockage possible carbon build up and sticky iac valve

Posted on Jul 20, 2009

beduncan
  • 73 Answers

SOURCE: running rough

If your car is running rough and it's fuel injected (which yours is). Follow the air intake (black plastic box - housing the air filter that has tubing that goes to the motor) until it reaches the Throttle body (rounded metal air intake at the end of the plastic tube - has one large flap inside). You will want to remove the hose clamp and thoroughly clean the throttle body and the AIC (air idle control valve - small canister attached to the throttle body). Use off-the-shelf cleaner from any automotive store. This takes about 30mins to 1hr depending on your skill level. This will result in a cleaner smother idle and smoother performance. This is a common issue in today's cars. I have to do this once a yr to keep my modified car running happy.

Take a look at the later parts of this article for pictures to give you an idea:

http://forums.nicoclub.com/zerothread/319146

Good Luck

Posted on Aug 07, 2009

  • 6 Answers

SOURCE: Daewoo Lanos 1.4 1997 Idling really high - Idle Rev Valve?

hi there the problem describe is a common problem you need to take the car into your dawoo/chevrolet dealer as there was a reprogramme that need s to be downloaded to your ecu to fix the problem should only take about 30 mins so should not cost you to much i used to have around 10 to 15 a week to do

Posted on Dec 20, 2009

  • 120 Answers

SOURCE: 1998 Daewoo Lanos went into Daewoo servicing

try checking the throttle position sensor

Posted on May 04, 2011

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Related Questions:

2 Answers

Car starts ok, seems to miss slightly when throttle applied


oh boy DAEWOO. sraight out let me break it to you. if theres a problem or part needed. daewoo doesnt make parts and stop making daewoo's. check the compression in every piston that will tell you alot about the engine. its should read 128-152 PSI> if any lower you have enigne problems such, piston rings, valve seat. etc..

Jul 25, 2010 | 2000 Daewoo Lanos

1 Answer

2000 Daewoo Lanos intermittently idles rough


check throttle body and pcv hoses and ports for blockage possible carbon build up and sticky iac valve

Jul 19, 2009 | 2000 Daewoo Lanos

1 Answer

Daewoo lanos 2000the car will not start dies out when gas applied


possible blocked fuel filter or fuel pump not supplying enough fuel (starving) check fuel pressure with pressure gauge
also blocked exhaust or cataletic convertor can cause same issue

Jun 26, 2009 | 2000 Daewoo Lanos

1 Answer

Car wont idle


idle stepper motor(IAC) controls idle speed it is located on throttle body
f33d4ad.jpg IDLE LEARN PROCEDURE
Whenever the battery cables, the electronic control
module (ECM), or the ECM fuse is disconnected or replaced,
the following idle learn procedure must be performed:
1. Turn the ignition ON for 5 seconds.
2. Turn the ignition OFF for 5 seconds.
3. Turn the ignition ON for 5 seconds.
4. Start the engine in P/N (park/neutral).
5. Allow the engine run until the engine coolant is
above 85_C (185_F).
6. Turn the air conditioning (A/C) ON for 10 seconds, if
equipped.
7. Turn the A/C OFF for 10 seconds, if equipped.
8. If the vehicle is equipped with an automatic transaxle,
apply the parking brake. While pressing the
brake pedal, place the transaxle in drive (D).
9. Turn the A/C ON for 10 seconds, if equipped.
10. Turn the A/C OFF for 10 seconds, if equipped.
11. Turn the ignition OFF. The idle learn procedure is
complete.

May 07, 2009 | 2000 Daewoo Lanos

1 Answer

Fuel/accelerator problems. dies when accelating or at idle. runs when accelerator held in one position for a short while.


CHECK THE IDLE SPEED SENSOR, UNPLUG IT AND SEE IF THE VEHICLE REVS UP A BIT. IF IT DOES, THEN REPLACE IT. ALSO CHECK THE FUEL PUMP RELAY IN THE FUSEBOX. HOPE THIS HELPS. .LET ME KNOW. GOOD LUCK

May 03, 2009 | 2000 Daewoo Lanos

2 Answers

Hi the idle speed is to high on my daewoo lanos 1600, there is a soultion but i dont know where the power lead that goes to the speed valve in the solution it says top of engine, but i dont know what it...


there is a screw at the end of the throttle cable. get someone to rev the engine an your see it move.turn the screw anticlockwise and the idle should slow. clockwise will raise the idle speed.

Apr 02, 2009 | 1999 Daewoo Lanos

1 Answer

Bought car from car lot need unlock code for 2000 daewoo lanos


Daewoo radio codes


TRY THE CODES BELOW, most common codes used in models during the 1998-2001 model years.
4316
2152
4513
4362
1156
2145
3451
6361
5624
5241
3346
1165
3241
4524
5436

Mar 18, 2009 | 2000 Daewoo Lanos

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