How to check and replace the PCV Valve and PCV Hose for the Acura MDX?

PCV system is an acronym that stands for Positive Crankcase Ventilation. It reduces the emissions of hydrocarbons in the environment by drawing fresh air into the crankcase where it mixes with the blow-by gases. The PCV valve then pulls this mixture to the intake manifold. When these vapors flow, they are controlled by the PCV valve which helps maintain idle quality. Fresh air inlet hose in Acura and Honda models is used to draw fresh air into the crankcase from two places, that is, the air intake duct and valve cover. Check hoses for damage and inspect for vacuum at idle on PCV valve, as well as worn out PCV valve grommet when examining PCV system.

Genuine Acura MDX PCV Valve

Position Crank Ventilation Valve

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4 PCV Valves found

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Acura MDX Hotwin Compatible
Part Number: 17130-RCA-A02
$42.96 MSRP: $61.35
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Product Specifications
- Other Name: Valve Assembly, Pcv; PCV Valve
- Replaces: 17130-RCA-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Pcv Valve Assembly
Part Number: 17130-RYE-A01
$44.22 MSRP: $63.15
You Save: $18.93 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly, Pcv; PCV Valve
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Pcv Valve Assembly
Part Number: 17130-PY3-003
$39.54 MSRP: $55.15
You Save: $15.61 (29%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Valve Assembly, Pcv; PCV Valve
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX PCV Valve Assembly
Part Number: 17130-RPY-G01
$43.32 MSRP: $61.87
You Save: $18.55 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly PCV; PCV Valve
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura MDX PCV Valve

The Acura MDX PCV Valve channels crankcase vapors back to the cylinders for better fuel efficiency and reduced emissions. Opposite the breather sits a small spring-loaded valve which responds to manifold vacuum. It stays nearly closed at idle but opens wider under throttle so that blow-by gases flow without leaning the mixture. The PCV Valve also acts as a flame stopper to block backfires or boost from getting to sensitive lower engine components. Throughout the SUV's production, Acura retained a single in-line plastic PCV Valve design, so there is no confusing generations for owners, just some minor tweaks to the hose or bracket design that don't have any effect on function. Both the early and later MDX models share the same gains when the valve operates as it should. These advantages include cleaner oil, a steadier idle, and reduced sludge accumulation. The PCV Valve doesn't have a specified service interval, but a simple shake during any Acura MDX oil change checks the rattle and vacuum control. Keeping this humble PCV Valve healthy can let every Acura MDX breathe easier, conserving power, fuel economy, and the environment.

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Acura MDX PCV Valve Parts Questions & Experts Answers

Pcv Valve Assembly
17130-RYE-A01
Q: How to check and replace the PCV Valve and PCV Hose for the Acura MDX?
A:
PCV system is an acronym that stands for Positive Crankcase Ventilation. It reduces the emissions of hydrocarbons in the environment by drawing fresh air into the crankcase where it mixes with the blow-by gases. The PCV valve then pulls this mixture to the intake manifold. When these vapors flow, they are controlled by the PCV valve which helps maintain idle quality. Fresh air inlet hose in Acura and Honda models is used to draw fresh air into the crankcase from two places, that is, the air intake duct and valve cover. Check hoses for damage and inspect for vacuum at idle on PCV valve, as well as worn out PCV valve grommet when examining PCV system.