I keep getting a code 34 which means mass air sensor.It idles fine and does not stumble when you tap on it.Maf numbers at idle are 6 and 7 motor does not change when you unplug the harnrss.I tried a friends maf from a low mile car and dont get a code.Bumper to bumper car parts can get one for 119.00 canadian with one year warranty.Opinions welcome thanks John