Question about 1995 Kia Sportage
When i start the car,eng revs to 3000-3500 rpms and stays there .
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!
Posted on Nov 23, 2008
This make/model has a chronic problem with EGR clogging. If you have a dashboard indicator showing "check engine" most likely it is a trouble code indicating and EGR (exhaust gas recirculator) valve problem. Symptoms are rough idle, and surging and stalls.
What happens is sediments from the exaust manifold get sucked up into the valve when it opens, then stick in the valve and keep it from closing. When the valve is open when it should be closed, the engine runs very rough.
I removed my egr and then dislodged the sediment (pea-sized debris) and then re-installed the valve. Three days later, the same "check engine" and same rough idle. I must have did this at least three or four more times.
What I found that gave me a permanent solution was an aftermarket filter gasket that keeps debris from clogging. I don't remember the name of the product, but a search for "EGR filter gasket" may lead you to the product.
Install the gasket between the EGR and the exhaust manifold and you should be good to go. Note: on 1995 and newer models, disconnecting the EGR from the wiring harness (common on R&R) may require the computer to be reprogramed.
Posted on Dec 24, 2008
I have the same Jeep and same problem. The engine was running rough. The Jeep dealer fixed a vacum problem in the manifold and they then decarbonized and cleaned the fuel injectors. After these repairs the idle problem began, it would spike to 2000 rpm while sitting at idle, sometimes it would slowly come down, sometimes I would have to tap the accelerator. I took it back in and they then replaced the throttle motor and reprogrammed the PCM (Power Control Module?) Still same problem. Now they suspect a another vacuum leak and I am taking it back in on Tuesday, will let you know what happens, $ 1,300 so far.
Posted on Aug 08, 2009
Crank sensor or engine speed sensor is faulty.
Irregular power loss on accelerating
The speed of the engine is limited till 2500rpm
Frequent loss of crankshaft position sensor signal
It is caused due to leaking from thermostat housing into crankshaft position sensor harness multi-plug
Check and clean the crankshaft position sensor harness multi-plug contacts. Rectify the engine coolant leak from the thermostat housing if found. Take a note of the engine coolant level and monitor it for changes, showing a leak is indeed occurring.
Posted on Oct 24, 2009
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