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2004 Kia Rio 1.6L Poor Idle Quality, Hesitation, Stall
Posted to Asian Driveability on 6/23/2010 5 Replies

When the car is first started up. It runs but is rough and stalls out, it will do this the first 2-3 times and when it starts to warm up it seems it will idle good, but still will have a stumlle. but will not stall out. Please help, Been working This for month...

5 Replies Received (View Replies)

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car Vehicle Data

2004 Kia Rio

VIN KNADC12524
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall
OccursCold, First Start Up

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
P1166Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
Message Closed

car Vehicle Data

2004 Kia Rio

VIN KNADC12524
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall
OccursCold, First Start Up

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
P1166Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction