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 MANUALSACURA2012TL BASEREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMPCV SYSTEMPCV VALVE INSPECTION

2012 Acura TL Base

PCV Valve Inspection

2012 Acura TL BaseSECTION PCV Valve Inspection

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

Fig 1: Identifying 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 Replacement ) and recheck.

Fig 2: Identifying PCV Valve And Hose

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.