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 MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 111 (ENGINE CONTROL SYSTEM SELF DIAGNOSTICS)DIAGNOSTIC TESTSDTC P3190 OR DTC P3191NOTES
2004 Toyota Celica GT, Standard
DTC P3190 Or DTC P3191: Notes
2004 Toyota Celica GT, StandardSECTION Notes
WARNING: This page is about a different car, the 2003 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P3190: Poor Engine Power
- DTC P3191: Engine Does Not Start
WARNING:
Read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
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.