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 P04DFCONFIRMATION PROCEDURE
2018 Honda Ridgeline Black Edition
Confirmation Procedure
2018 Honda Ridgeline Black EditionSECTION Confirmation Procedure
Operating Condition
- Start the engine. Hold the engine speed [ENGINE SPEED] at 3, 000 rpm without load (in P or N) until the radiator fan comes on.
- Let the engine idle for at least 64 seconds.
- Turn the vehicle to the OFF (LOCK) mode and leave the vehicle for at least 10 seconds.
With the HDS
Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
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.