At 06:54 PM 5/15/2006 +0100, you wrote: >This got me wondering; why did GM build in the ability to switch between 1 >BAR and 2 BAR MAP sensors in $58 when they didn't actually produce a vehicle >which used it? :-) > >R They were bored? According to the doc, that $58 code supports 3,4,6 & 8 cylinders too. MV