HONDA TN499500-0080 Canister Vent Pressure Sensor 04 837940-PAA-A01 C92

( Manufacturer Part Number: TN499500-0080 ), ( Part Type: Pressure Canister Vent Sensor )

Review HONDA 04 Canister Vent Pressure Sensor Oem C92 fits MDX 2001

The **Honda TN499500-0080 2001 2004 MDX Canister Vent Pressure Sensor (Part #837940-PAA-A01, C92)** is a precision-engineered component designed to regulate and monitor the pressure within the charcoal canister system of your Honda MDX, ensuring optimal emissions control and fuel efficiency. This sensor plays a critical role in the vehicle s evaporative emissions system (EVAP), which prevents harmful vapors from escaping into the atmosphere while maintaining proper engine performance. Crafted to Honda s exacting standards, this sensor features a robust, corrosion-resistant construction, incorporating a high-quality diaphragm and sealed internal mechanism that accurately detects even subtle pressure fluctuations in the canister vent line. The sensor s internal circuitry is calibrated to interface seamlessly with the vehicle s Engine Control Module (ECM), providing real-time feedback to adjust fuel delivery and purge cycles, thereby minimizing emissions and preventing potential engine malfunctions. Ideal for replacement in models from 2001 to 2004, this sensor is a direct-fit, OEM-quality part that ensures reliable operation and compatibility with the MDX s advanced emissions control system. Whether addressing a check engine light triggered by a P0446 or P0455 diagnostic code or performing routine maintenance, this sensor guarantees precise functionality, helping to uphold the integrity of your vehicle s environmental performance while extending the lifespan of the EVAP system.

### **Pros and Cons of buying a Honda TN499500-0080 (2001 2004 MDX Canister Vent Pressure Sensor Part #837940-PAA-A01, C92)**

1. **Direct Fitment** This is an original Honda part (OEM) or a high-quality aftermarket equivalent designed specifically for the 2001 2004 MDX with the C92 engine. It should fit without modifications, reducing installation hassles.

2. **Reliability** Honda s sensor design is generally robust, and a genuine or well-made aftermarket part should function reliably if installed correctly. This can prevent EVAP system leaks or false emissions warnings.

3. **Prevents Emissions Issues** A faulty canister vent pressure sensor can trigger check engine lights (e.g., P0446, P0451) or cause EVAP system failures. Replacing it resolves these issues, ensuring compliance with emissions standards.

4. **Easy Replacement** The sensor is typically located near the EVAP canister and is a straightforward plug-and-play component. Most mechanics or DIYers can replace it in under an hour with basic tools.

5. **Cost-Effective for Long-Term Use** While the part itself may not be extremely expensive, replacing a failing sensor avoids more costly repairs (e.g., EVAP system leaks, catalytic converter damage from rich fuel mixtures).

6. **Widely Available** As a common Honda part, it is easy to source from online retailers (Amazon, RockAuto, eBay), local auto parts stores, or Honda dealerships. Multiple sellers ensure availability and competitive pricing.

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1. **Potential Counterfeit Parts** Buying from untrusted sellers (especially on eBay or Amazon third-party listings) risks receiving a fake or low-quality sensor. This could lead to premature failure or repeated issues. Always verify the seller s reputation and part authenticity.

2. **Mixed Quality in Aftermarket Parts** While some aftermarket sensors are excellent, others may be poorly manufactured, leading to short lifespan or electrical failures. Genuine Honda parts (if available) are the safest bet, though they may cost more.

3. **Diagnostic Confusion** If the sensor was failing intermittently, replacing it might not immediately resolve the issue if another problem (e.g., EVAP canister leak, faulty wiring, or a failing purge valve) exists. A thorough diagnostic check (e.g., scanning for additional codes) is advisable before purchase.

4. **Labor Costs (If Not DIY)** If you re not comfortable with automotive work, labor costs at a dealership or shop may be high, especially for a relatively simple part. Dealerships often charge premium prices for OEM parts.

5. **Age of the Vehicle** The 2001 2004 MDX is over 20 years old, meaning the EVAP system may have other wear-and-tear issues (e.g., cracked hoses, failing purge valves). Replacing just the sensor may not fully address underlying problems.

6. **Limited Warranty** Aftermarket parts typically come with minimal or no warranty, whereas OEM parts may have a short warranty (e.g., 12 months). If the sensor fails soon after installation, you may be out of luck without proof of purchase.

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### **Conclusion**

The **Honda TN499500-0080 canister vent pressure sensor (837940-PAA-A01, C92)** is a practical and necessary replacement for resolving EVAP system issues in your 2001 2004 MDX. The benefits direct fitment, reliability, and prevention of emissions-related problems outweigh the drawbacks if you source the part from a reputable seller and ensure it s genuine or high-quality.

- **Verify the part number and compatibility** (confirm it matches your vehicle s year, engine, and trim).

- **Check the seller s reviews** to avoid counterfeit parts. Prefer sellers with positive feedback and clear return policies.

- **Inspect the EVAP system** for leaks or other failing components (e.g., purge valve, hoses) before replacing just the sensor.

- **Compare prices** across multiple sellers (e.g., RockAuto, Amazon, local auto parts stores) to get the best deal without sacrificing quality.

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**Buy the part from a trusted source** (e.g., RockAuto, Amazon with verified seller ratings, or a local Honda parts dealer) and **perform the replacement yourself** if comfortable. If unsure, consult a mechanic to diagnose any accompanying EVAP system issues. For long-term reliability, prioritize **OEM or a well-reviewed aftermarket brand** (e.g., Denso, ACDelco, or Bosch) over no-name alternatives.

If the sensor is failing intermittently, consider **testing the wiring and connections** or replacing additional EVAP components (e.g., purge valve) to prevent future problems. This part is a cost-effective fix for a common issue, but thorough preparation ensures it resolves the root cause.

Details:

Believe this will also fit similar year Odyssey Dens part. One mount clip side is broken, but part functional.

part #: tn4995000080 prices

• $49.99-$124.96

specifications emissyste:

• for models: Mdx
• for makes: Honda
• for years: 2001
• mpn: Tn499500-0080
• part type: Pressure Canister Vent Sensor

seller emissyste:

• rating: 97.6%
• # reviews: 637
• city: Greensboro, North Carolina

payments emissyste:

• other
• money order
• wallet: Apple-pay
• credit card: Mastercard

shipping emissyste:

• class: Standard
• cost: $5.52
• carrier: USPS
• transit: 4-9 Days
• service: USPS Ground Advantage
• type: Calculated

returns emissyste:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: Used

offer emissyste:

• best offers: True
• sold: 0
• availability: In Stock
• started: March 22, 2026
• options: Ship-to-home
• quantity: 1

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