Quote:
Originally Posted by robertway
If the two main thresholds are TPS and MAP, with the default MAP threshold being 15kPa it seems as though the one that really matters is the TPS since it is so easy to get over 15kPa. Do TPS and ETC correlate closely? I know TPS only ever goes to 83ish% so would that correlate with ETC being at 100%?
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You're right, the throttle position is the major deciding factor for power enrichment. The pedal position and ETC are not a direct relationship. There's a long dead area in the pedal so that you have a wider drivability range. Just because you push the pedal halfway doesn't mean the throttle is open 50%. But yes, the 80-something % shown for pedal position is wide open throttle (ETC of 100%).