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.
Circuit Description
In order to reduce engine temperature, PCM has ability to disable a number or fuel injectors during and engine over-temperature condition. Engine is considered over-temperature when Engine Coolant Temperature (ECT) sensor reaches more than 268°F (131°C). DTC sets when PCM senses ECT sensor is in over-temperature condition, and PCM enters protection mode.
DTC will set when following conditions are present:
- DTC P0117, P0118 or P0125 not set.
- Engine is running.
- Engine coolant temperature greater than 270°F (132°C).
- Conditions present for greater than 10 seconds.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.