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 MANUALSHONDA2009ACCORD EX, 4D SEDAN, 3.5 CP3REPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMPCV SYSTEM (V6)PCV VALVE INSPECTION

2009 Honda Accord EX, 4D Sedan, 3.5 CP3

PCV Valve Inspection

2009 Honda Accord EX, 4D Sedan, 3.5 CP3SECTION PCV Valve Inspection

Remove the engine cover (see step 2 under INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
Check the PCV valve (A), hoses (B), and connections for leaks or restrictions.

Fig 1: Locating PCV Valve And Hoses

Courtesy of AMERICAN HONDA MOTOR CO., INC.

At idle, listen to the PCV valve (A) with a stethoscope as you lightly pinch the PCV hose (B) with your fingers or pliers several times. Each time the hose is pinched, the valve should click.

If there is no clicking sound, check the PCV valve collar and O-rings for cracks or damage. If they are OK, replace the PCV valve (see PCV VALVE INSPECTION ) and recheck.

Fig 2: Pinching PCV Hose With Plier

Courtesy of AMERICAN HONDA MOTOR CO., INC.

RENDER: 1.0x

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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.