I just bought the scangauge II for all my cars. After using it for a week now I can honestly say that I love it!



It's much smaller than the previous version thought a bit pricier. It allows me to setup and monitor a bunch of data on the OBDII bus. Things like the intake air temp, timing, coolant temp etc... etc... It won't get you at everything, Eg. fuel trims, but is what I think most general enthusiasts would be looking for. It also functions as a way to check and reset codes and has a trip computer functions built in as well.

Highly recommended.

 

Hrm.. very interesting!

Hypothetically speaking, if you are able to reset a code, how long will it take before the code shows up again? I gotta reset a code on my friend's car since the CEL is on and its time for smog. lol.

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1999 Lexus GS400
-Stock

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it should just show up again when the car is turned on because its a sensor parameter that is tripping the error most likely. Doesnt matter anyways since the smog tech is gunna pull the codes from the ecu anyways.