Question about 2000 Hyundai Elantra

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IDLE PROBLEM AM HAVING PROBLEMS WITH MY IDLEING ON MY CAR. CHANGED IDLE SENSOR STILL DOING THE SAME THING. SOME PEOPLE TOLD ME TO CHANGE THROTTLE BODY. WHEN THE CAR WARMS ON IT DROPS FROM 4K RPM TO 2K RPMS BUT THAT IS STILL HIGH. ANY BODY HAVE ANY SOLUTIONS 1990 CIVIC SI ENGINE (ZC VTEC SINGLE CAM)

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  • Anonymous Dec 26, 2008

    new battery in 1995 chevy caprice impala ss 5.7 liter all of the sudden notice high idle, why?

  • Marvin
    Marvin May 11, 2010

    Try disconnecting the battery for 5 min, this will allow the computer to relearn the idle.

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Look at your air intake on the motor: as the pedal is pushed you'll see the apparatus and a screw that controls how far back the pedal goes when it's not being pushed. The easiest way is to see the idle adjusted and more fixes for the idle problems are available on YouTube and through a Google search.

Posted on Dec 17, 2017

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Posted on Jan 02, 2017

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SOURCE: IDLE PROBLEM... WHEN I TURN

tps is a likely suspect...throttle position sensor

Posted on Dec 08, 2008

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1 Answer

84 mustang 5.0 auto-Idle problems. runs Ok when cold , runs rough and stalls when warm. 1st year throttle body injection. was told the IAC valve needs cleaned. can`t find on car


the iac sensor is along the side of throttle body , did you give the throttle plate area a good cleaning out this is where the air path is for the IAC sensor , a lot of idle problems have been fixed with a can of throttle body cleaner and few good squirts of the stuff down the hole

Sep 10, 2015 | Cars & Trucks

1 Answer

How do you change an idle control sensor and a throttle position sensor on 2011 Dodge Avenger?8


Tanya
why no symptoms stated?, or DTCs (so we can be on the same page?)
the car has and FSM that covers all this.
or alldata.com
there is no idle sensor.
there are many sensors but idle is not one of them.
the Engine runs and will not run with bad cam and crank sensors
these 2 sensor, derive , RPM. and idle speed, is adjusted all the time
based on those 2 sensors
then the PCM controls idle via the ISC< the idle speed control valve.
its a valve. it controls idle air supply.
my guess is the engine stalls.
or races fast and has lack of power.
and the CEL lamp in the dash glows and is screaming for you to scan the PCM? right? and you did not?
if you did it will have DTCs warning you of idle related failures.
pure.
or as any mech knows, idle is the LAST thing to work right.
if the engine runs bad, idle can fail.
the ecu controls idle at all times, if it can't we do test to find out which is it?
On newer cars, there are up to 4 (count them) 4 TPS sensors.
2 on the right foot throttle and 2 in the throttle body.
if any of the 4 dont agree, the CEL glows and the DTC get stored.
telling you that this Happened, not looking and scanning the PCM
you miss all those facts.
in most new cars if that happens the PCM goes to limphome mode
so engine power is greatly limited, after all the idle is out of control
and no car maker wants to be TOYOTA (read the news)

how to , is covered in the FSM, buy one,
and at alldata.com
in some cases it takes a dealer TOOL to re-learn the idle controls.
that fact is there too.

and warning 2, some TPS can not be changed,
you must buy a whole new throttle body.
other cars, like, my new jeep its a new idle; and throttle motor.

You car has throttle by wire, you need to learn how this works first.
then fix the car.

Jun 05, 2014 | Cars & Trucks

1 Answer

Rouigh idle up and down


My guess would be the mass air flow sensor, but unfortunately there's

Oct 22, 2017 | 1996 BMW 318

1 Answer

Iddle and Throttle problem!


had the same problem with the same year model, changed the idle position sensor, did not fix problem. took it to dealer because I was told that it had to have an idle relearn program ran on it, it didn't take and the dealer toldme that I need a ECM (engine control module) basically a new computer and it would cost with labor about 1100.00 dollars.

Aug 03, 2012 | 2001 Nissan Maxima

1 Answer

I have a 1990 chevy corsica lt 6cyl 3.1 multi port fi dis ignition. the problem is it starts and idles fine, but when i push the gas it dies. before i changed some parts it wouldnt even start. ive changed...


You can manually test the egr valve by pushing up from underneath it and seeing if the spring loaded valve moves and re seats itself. If no, it's bad.

Apr 27, 2012 | Chevrolet Cars & Trucks

2 Answers

I got code p2176 I changed out the tps still got same problem did not have this problem with other engine just changed engine out now cant seem to get this code off causing the car to rough idle and low...


P2176=Throttle Actuator Control System - Idle Position Not Learned
Did you use all you old sensors,or is some of them from the new engine,I would swap out the IAC sensor or check for wires not hooked up.
If it can't relearn to idle the Idle air control might be different then your old one,but its not registering with the computer

Dec 17, 2009 | 2006 Chevrolet Impala

1 Answer

It will not idle, and the lights on the dash go on and off and it will not charge the battery(new alt and batt)


I did not have the light dimming thing but I had the same problem with the idle... frustrating.

I picked up a repair manual at the parts store. I took off the throttle body and cleaned it with throttle body cleaner spray. I changed the Idle Air Control Valve (idle speed motor) which was very clogged. While I had the throttle body off I also changed the Map Sensor and Throttle Position Sensor. The manual will walk you through the steps. I had never done anything like this before. If I can do you so can you.
My Jeep has never run better. Good Luck

Aug 02, 2008 | 1997 Jeep Grand Cherokee

5 Answers

Cam shaft sensor & air conditioner


I replaced the Cam Shaft Sensor. I also cleaned the Throttle Body with carb cleaner. I had my wife hold down the accelerator, while running I sprayed down the throttle plate and the entire area around it. Now my TB finally idles smoothly, and it hasn't died yet!! Check engine light is gone and I passed the emissions test!! Yea!!!

Jul 22, 2008 | 2002 Chevrolet TrailBlazer

1 Answer

1994 SW2


Still sounds like a vacuum leak or Idle air control valve sticking open. May want to recheck the tps sensor because sometimes they can be put on wrong and hang the throttle open. I you still have questions please ask. Hope this helps.

Jun 07, 2008 | 1993 Saturn SW2

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