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Re: 1999 KIA Sportage idling too fast
You might want to go to your local AutoZ to have them hook it up to a code reader and give you any trouble codes that may exist, but chances are you problem is going to lie with one of three things. The first thing I would check is the Mass Airflow Sensor(MAS). The MAS sensor is usually connected to the plastic breather tube that runs to the air filter. The next thing I would check would be your Idle-Air Control Valve. Not too sure where Kia put their IACV's at, but AZ's website should have vehicle specific repair info through Alldata for your Kia. The last thing that I would check if you still haven't fixed the problem would be your EGR valve. Other than that, the only other thing that I can think of would be your throttle positioning sensor, but this possibility is least likely. Hope this helps guide you in the right direction. Have a great day!
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Some makers used Vacuum releases for their emergency brakes which had a Vacuum switch connected to the shift assembly. This would account for a stumble if Vacuum vented out through this switch.
More common for shifting stumble to occur from Park to Drive, engaging a load on the engine, not to stumble to a freewheeling Park position. Sounds like idle speed control is sluggish to stabilize the motor.
You also have idle speed control problem with A/C, kind of shows that A/C was what kept the engine running because when you turned the A/C off, the car died.
I am going to give you some Websites for wiring diagrams. Alldatadiy.com amd Autozone.com with free wiring info upon registering your vehicle.
It seems that the base Idle speed control is not working and the A/C idle speed control is.
Also check for Vacuum leaks on the intake manifold by spraying water from a pumpbottle on the seams of the gaskets.
Check ignition Relay or ignition switch for random cutouts. The fusebox layout is on the Autozone site.
The ireal RPM's is about 820 +/- 50. Slighly lower is you happen to have a standard transmission. Below is a description as far as testing your idle. The vehicle sets the idle speed through the computer through several sensors. It is not adjustable. Hope this helps....
As you saying noise wont come in driving and only comes in idle , it means noise will not come if RPM is high by norma in idle l, try this one start the car don't drive it just raise RPM(rotation per minute of only engine not vehicle speed) in neutral gear , if noise disappear that mean it a problem of drive belt . If drive belt is got less tension then also it can occur or belt is damage, replace belt problem will solve, (for reference drive belt it drive alternator,powersteering pump,A/C compressor that is made by rubber).Thanks if any problem ask me. Yogesh.
hi is this manuall if so does the noise dissapear when the clutch is pressed if so your first motion shaft bearings gone in your box is there any play in the gear shift as as it could also be the selectors have play in them as they use the same fork and gearhub if this is the case if it was mine i would overhall the box as it would be another hours labour +parts replaced yates210456