Engine going crazy please help, really need advice

Tiny
BLADESNOOPY
  • MEMBER
  • 2000 KIA SPORTAGE
  • 2.0L
  • TURBO
  • 4WD
  • MANUAL
  • 100,000 MILES
Hello, I have some very strange problems on my car. Car is KIA Sportage 2.0 TD 83HP year 2000 4wd.
So I will basically start to explain you the problem hope we can get a fix :

Sometimes even if it is warm or cold engine rpm indicator starts going crazy jumping up and down, but engine does not actually increases rpm in reality it just becomes sluggish. Car feels like it looses power and its shaking back and forward but when I put the gas pedal to the floor it tends to get better and the rpm indicator doesn't go crazy anymore, and engine runs more smoothly but I can still fell the loss of power. It usually happens when engine is warm and after 2000 rpm. Sometimes when I drive over humps the engine stops, but then I can start it again, and sometimes when I move steering wheel to right while driving with more than 40 km /h same thing, engine stops. Fuel indicator is wrong, and one time the water temp indicator went up to 100 in a few seconds and then came back in half a minute. I checked the engine coolant level but it is almost empty.
I had the following errors on the OBD1 :

Intake Air Temperature Sensor.
Engine Coolant Temperature Sensor.
Atmospheric Pressure Sensor.
Pressure Regulator Control Solenoid Valve
Idle Speed Control Solenoid Valve.
Distributor no Signal. Or Injector No. 3 open or short. (Not sure which one)
Power Stage Group 2 Malfunction (inside ECM). Idle Speed Control Valve Failure or Damaged Power Stage.

What should I do? I am not a mechanic but I know friends that are but they are not experts on kia, they work with other cars from the same year, different brands. So what should I try to change first? Do I have to change all those things?



Country: Norway
Make: Kia
Model: Sportage
Year: 2000
Engine: 2.0 TD 83hp 4wd
Monday, June 9th, 2014 AT 1:40 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Based on what you have described, the problem seems to lie with an electrical fault rather than anything else.

Check for poor ground circuits, contaminated wire harness couplers, bare wires that could be touching ground intermittently.

It is not going to be easy. Good luck.
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Tuesday, June 10th, 2014 AT 5:58 AM

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