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Old 04-21-2002, 04:08 AM   #5
mitch808
Scooby Specialist
 
Member#: 10228
Join Date: Sep 2001
Vehicle:
2002 Subaru WRX

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Quote:
Originally posted by Cosie Convert
Can you explain the difference between IDC and IPW ? other than one is in % and the other in ms ?
The Injector Pulse Width (IPW) is the amount of time (in milliseconds) that the ECU wants the injectors to be open between compression strokes. The injector duty cycle (IDC) in percent is determined by multiplying the RPM times the IPW and dividing by 1200.


So in other words, the IPW is the number your really concerned about as IDC is derived from that.
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