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.
Pcm Code E080, Fuel System Rich: Description
Purpose of this code test is to detect a rich condition caused by fuel injection system or by evaporative fuel canister purging continuously and causing a rich condition. Code can be set only during sustained steady driving, such as sustained cruise control operation.
When all conditions have been met and block learn is 104 or less, system turns off canister purge to attempt to lean out system. If block learn is still 104 or less (rich), code is set.
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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.