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2003 Subaru Impreza WRX 2.0L Misfire
Posted to Asian Driveability on 4/28/2011 7 Replies

Check engine light on, running rough, felt like misfire. Was sure scan would reveal which cylinder was misfiring, but only had code for front A/F sensor. Replaced so I could see what fuel trims were doing. With old sensor could not get into closed loop. Fuel t...

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  Related Documents & Media  2003 Subaru Impreza WRX

 
Message Closed w/FIX

car Vehicle Data

2003 Subaru Impreza WRX

VIN JF1GG29633
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0031Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2003 Subaru Impreza WRX

VIN JF1GG29633
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0031Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage