1) Works as it should. The only fault I have found, is with exhaust pipes with harmonics, it can work it's way off the exhaust pipe. Recommend putting a hose clamp behind the lock thread bolt, so it cannot rattle itself off. Double sure, tie wire to the hose clamp as well as the lock thread bolt. Had it rattle off twice now, and no it doesn't matter how tight you want to do the thumb bolt by hand (if you are a rough idiot, go ahead use multi-grips and wreck the thumb bolt), it will work its self off, damaging a expensive sensor, if road testing. Hose clamp remedy works quickly & perfectly. 2) There is a very slight delay in AFR readings due to it's location & build nature. If you want instant results when hitting the gas pedal, fit your testing O2 sensor to the exhaust up near the engine. Other than that is is excellent. I use it on petrol and diesel testing.Read full review
Verified purchase: Yes | Condition: New
As described, good quality
Verified purchase: Yes | Condition: New
Must have accessory. Works great.
Verified purchase: Yes | Condition: New
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