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.

2009 Acura TSX AutomaticFACTORY OEM SERVICE PROCEDURE

PCV Valve Inspection

Check the PCV valve (A), hoses (B), and connections for leaks or restrictions

Fig 1: Identifying PCV Valve And Hoses

Courtesy of AMERICAN HONDA MOTOR CO., INC.

At idle, make sure there is a clicking sound from the PCV valve when the hose between the PCV valve and intake manifold is lightly pinched (A) with your fingers or pliers
If there is no clicking sound, check the PCV valve washer for cracks or damage If the washer is OK, replace the PCV valve and recheck

Fig 2: Identifying PCV Valve And Intake Manifold Pinched
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Factory Service Tools

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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.