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 MANUALSHONDA2018RIDGELINE BLACK EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - ADVANCED DIAGNOSTICS (P0069 - P050D)ADVANCED DIAGNOSTICSDTC P046C (2018 2019 2020 2021 2022 2023 2024 2025)MALFUNCTION THRESHOLD
2018 Honda Ridgeline Black Edition
Malfunction Threshold
2018 Honda Ridgeline Black EditionSECTION Malfunction Threshold
The EGR valve position sensor output voltage [EGR valve position sensor (EGR VLS)] is 4.41 V or more for at least 6 seconds.
[ ]: HDS Parameter
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.