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🚗 Upgrade your drive with precision airflow mastery!
The OYEAUTO Mass Air Flow Sensor OYEMF505 is a high-precision replacement part compatible with numerous Toyota and Lexus models (1999-2012). Engineered for fast 15ms response and less than 2% measurement error, it ensures accurate airflow readings to boost engine performance and fuel efficiency. Built with durable materials to meet OEM standards, it offers easy installation and a 12-month warranty, making it a smart, cost-saving upgrade for professional drivers seeking reliability and enhanced vehicle dynamics.






| ASIN | B08Y6NHM5K |
| Best Sellers Rank | #13,598 in Automotive ( See Top 100 in Automotive ) #11 in Automotive Replacement Air Mass Sensors |
| Brand | OYEAUTO |
| Brand Name | OYEAUTO |
| Country Of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 880 Reviews |
| Item Weight | 0.08 Kilograms |
| Item weight | 0.08 Kilograms |
| Manufacturer | OYEAUTO |
| Material | Acrylonitrile Butadiene Styrene |
| Material Type | Acrylonitrile Butadiene Styrene |
| Maximum Supply Voltage | 5 Volts |
| Maximum supply voltage | 5 Volts |
| Measurement Accuracy | < 2% |
| Measurement accuracy | < 2% |
| Model | OYEMF505 |
| Mounting Type | Flange Mount |
| Output Type | Push Button |
| Part Number | OYEMF505 |
| Response Time | 15 Milliseconds |
| Specific Uses For Product | automotive |
| Style | Modern |
| Style Name | Modern |
| UPC | 791259313729 |
| Upper Temperature Rating | 265 Degrees Celsius |
O**U
Works just like OEM, without the price tag
Works just like oem, great buy. The only thing is the seal holding it on is kinda annoying, so I put a small amount of oil on it and used some blunt flatheads to push it on
M**D
Lexus Es330 2005 , excellent
There is a great improvement in performance in driving. my range increased 20% for the same amount of fuel i use to fill. However i did changed all spark plug and cleaned the throttle and catalytic convertor. My old one doe work after i cleaned , but replacing with new made a big difference.
H**2
Worked good in a 2005 Scion XB
Purchased, then Amazon's description said not for a 2005 Scion XB, they're wrong, it fits perfectly. Installed in five mins, no more low rpm chugging and hesitation which I intially thought was clogged fuel injectors. Also, the three idiot lights on the dashboard disappeared and have not come back on. If you're a first gen Xb owner you know what these are.
U**H
Helped clear the Check Engine Light with Code P0171
I own a 2003 Toyota Camry LE, and when the check engine light came on with the code P0171, I initially thought the issue wasn’t related to the Mass Air Flow (MAF) sensor. A couple of years ago, I had purchased a cheap, likely counterfeit DENSO MAF sensor from eBay, but after a detailed diagnosis at the dealership, it was confirmed that the sensor was faulty. Since DENSO is the OEM for Toyota parts, I realized that the eBay sensor wasn’t genuine, which explained the issue. I was hesitant to buy another non-OEM one, fearing it might also be a fake, but I decided to give this sensor a try after reading some positive reviews. Installed it in Nov 2024. The installation was simple since I had done it before, and I could immediately tell the difference. The car no longer struggled during acceleration, ~3 months and ~1000 miles later, the check engine light remains off. It even passed the emissions test last week! This sensor works flawlessly and is a much more affordable option compared to the expensive OEM parts. I highly recommend it to anyone looking for an affordable and reliable replacement for a faulty MAF sensor!"
R**.
Sensor seems good, but one minor problem....
Installed in a 1999 3rd Gen V6 4Runner. The New sensor seems to be working fine, but it did not correct my rough running engine problem as I had hoped. One problem with this product is that the O-ring is slightly too large, and the sensor would not fit into my car with this O-ring despite adding lube and lots of force. I had to use the old O-ring from the removed sensor to complete the install.
Trustpilot
1 month ago
1 day ago