im with 74cb750 somewhat,,im pretty handy and have done lots of other peoples (friends of friends)stuff like oil changes and carb syncing for real cheap!!cars aswell!!dirty brakes etc!!,,ive only had a couple of small wingers(complaints)nothing to do with what i touched,so now im selective with these friends of friends,ive done plenty of little things like a blown globe for free ,,then a fuse blows on a different circuit and i get"are you sure you didnt touch anything?"man!!no more good samaritan..our hyundai (alpha 3 motor)had the engine light on,this place diagnosed it as the map sensor(manifold absolute pressue)70 bucks for the check,i heard plenty of reving from the workshop and ours was the only car ,,anyway he says its 210 dollars because they are a real pain to fit,,!!yeah right ,,,its two 6mm screws right on top,,i bought one elsewhere for $145 and spent 2.5 minutes fitting it ,(280 bucks???),ive gotta get a code tool..hey im a qjet 4 barrel guy,,,had the same 308 cid v8 holden for 26 years!!how many have been ripped of elsewhere??its always been the same youll find.