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2001 Kia Rio Car Running Sluggish

Tiny
ARSPYTMA
  • MEMBER
  • 2001 KIA RIO
Engine Performance problem
2001 Kia Rio 4 cyl Two Wheel Drive Manual

I recently took my car on a lengthy trip, about 500 miles and after my return the car sat overnight and now has been running sluggish, like it can't get enough power. This mostly happens in 1st and 2nd gear when I'm taking off or slowing down. When I take off from a stop it struggles to gain speed and then when I get going it evens out but I can still notice a decrease in power. I have also noticed the temperature gauge is higher than normal, not alarmingly so but an observation. Thank you
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Monday, February 22nd, 2010 AT 10:42 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
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Monday, February 22nd, 2010 AT 11:15 PM

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