Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2014IMPREZA SPORT LIMITEDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) DETECTING CRITERIA (EXCEPT HYBRID)DIAGNOSTIC TROUBLE CODE (DTC) DETECTING CRITERIADTC P0123: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGHOUTLINE OF DIAGNOSIS
2014 Subaru Impreza Sport Limited
Outline Of Diagnosis
2014 Subaru Impreza Sport LimitedSECTION Outline Of Diagnosis
Detect the open or short circuit of throttle position sensor 1.
Judge as NG if out of specification.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.