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.
Code P119, Open/Shorted Fuel Injector: Notes
PCM contains a General Field Effect Transistor Driver (GFD) that control the 8 fuel injector drivers. GFD detects circuit problems with any of the 8 fuel injectors. If any circuit exists, PCM sets trouble code and also sets the second digit of parameter PD17 HI (1) and disables the faulty injector of the engine cycle.
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Use the Manual With the Right Hardware
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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.