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Upon arrival, the delivery was surprisingly fast, which was a big plus. I immediately put this product to the test by performing a fresh air calibration, and initially, everything seemed to work fine. It’s great that it tested okay right out of the box; that gives you immediate confidence.
I’ve noticed that when it works, it seems to respond very quickly, which is essential for monitoring engine parameters accurately. Other buyers seem to feel similarly about the initial functionality, with several noting that things work well after installation.
However, I need to be transparent about my early usage. While many users report positive outcomes, I did see one concerning report mentioning that one sensor wasn't working due to a disconnected heater, causing it to always read 14.9. Thankfully, my unit seems to be performing solidly right now, but that potential issue is something to watch out for during installation.
For now, though, this LSU 4.9 sensor has been doing its job effectively and everything seems to be functioning as expected under normal operation.
If you are in the market for a replacement or upgrading your current setup and need a reliable wideband oxygen sensor without immediately jumping to the most expensive option, this product looks like a very viable choice. It appears to be performing well for many users, myself included, after initial setup and calibration.
Overall, based on my experience so far and the general positive feedback regarding performance, I would certainly recommend giving this High Quality Air Fuel Ratio Sensor a try. It's a solid component that delivers the necessary performance for accurate fuel ratio monitoring.
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