Quote:
quote:Originally posted by Jason_L
As far as I know, the PCM is using the MAP sensor for your fueling needs... At least this is the sensor the various fuel piggybacks use.
I know a lot of people say that the TIP is not used with stage 1, you can just unplug it with stage 0, etc .. I have perpetuated this as well.. but doesn't stage 3 include a new 3 bar TIP? that makes me think that it IS used for more then just detecting part throttle overboost.. what IS the TIP normaly used for when we have the MAP?
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TIP is used for a few things besides part throttle boost. It is used to compare TIP to MAP to run the surge (blow off) valve (albiet as a secondary function), and as a backup to MAP - like if MAP is ever more than TIP something is wrong. Mainly you use TIP to help control fuelling in fast transients, particullarly throttle position transients.