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Kia 2002 Rio acceleration

Tiny
CBRAY92211
  • MEMBER
  • 2002 KIA RIO
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 80,000 MILES
After running for over 45 minutes or an hour my 2002 Kia Rio acts as if it is running out of gas and I e3xperience a loss of power (50 or 55) being the top speed. Usually the car recovers fron these episodes and begins running normally again.
Tuesday, March 22nd, 2011 AT 7:13 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light and when was last tune-up?

Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
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 it and keep testing.
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Tuesday, March 22nd, 2011 AT 7:27 PM

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