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2003 Kia Optima LX 2.7L Misfire
Posted to Asian Driveability on 7/12/2011 6 Replies

Fuel trims at 49% bank one o2s read normal Bank 2 o2s both sensor one and two always show 0.00 [...] that 5 volt signal on pin 3 of harness at o2 sensor reads 5 volts key on engine off as soon as you start engine it goes to a pulsing 0.0 volts like a pcm groun...

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  Related Documents & Media  2003 Kia Optima LX

 
Message Closed w/FIX

car Vehicle Data

2003 Kia Optima LX

VIN KNAGD128T3
Engine2.7 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Under Load
Message Closed w/FIX

car Vehicle Data

2003 Kia Optima LX

VIN KNAGD128T3
Engine2.7 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Under Load