#haltech #throttlepump #enginetuning
In this video we unravel one of the mysteries of tuning; the often talked about but rarely understood dark art of tuning the Throttle Pump, or as we call it here at Haltech - the Transient Throttle Enrichment function.
Have you ever driven a car that runs fairly well under steady-state conditions, but when you mash the throttle quickly the engine coughs a splutters before eventually taking off again. The most likely explanation for that happening is the incorrect setup of - yes you've guessed it - the Transient Throttle Enrichment.
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shortcuts:
00:00 intro
01:10 What is Throttle Pump
03:10 Why do we get the "Lean Spot" when we stab the throttle
05:00 How Throttle Pump works in EFI systems
07:30 Software walk-through starts here
08:50 Throttle Position
09:15 Load Rate Dead Band
10:36 Load Acceleration Dead Band
11;10 Detect Duration
11:30 Ignition Correction Dead Time
11:48 Sync vs Async
14:15 Enrichment Rate Maps
16:45 Ignition Correction Maps
21:00 GIVE-AWAY!!!!
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Recommended viewing:
How Widebands Work: [ Ссылка ]
How Self-Tuning Works: [ Ссылка ]
How Dyno Tuning Works: [ Ссылка ]
AFR vs Ignition Timing: [ Ссылка ]
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