Yeah i just bought that obd2 sensor and used the torque app and it didnt read the cel off my dsm. but when i selected delete fault codes it turned the cel off. i find it a bit odd.
you could try either or:this one worked great for my headlights. and its super cheap :)12 Minute Headlamp Lens Restoration KitWalmart.com: 3M Headlight Restoration Kit: Automotiveif ## not sanding then i doubt its working .. unless its a really strong chemical..
tag if this was...