the bosch sensors in my camaro are thowing codes.... i got the denso from ebay for 33 or $34 shipped. much cheaper than with my advance discount..one tuner on 3800 pro was a big beleiver i n them......good luck dude................ps always use the direct plug in type, i'm in electronics in school(biomed) and the splicing of the wires does affect the readings and voltage....my $.02