Can someone tell me what computer inputs are necessary to fire the fuel injectors?
Saturday, March 7th, 2009 AT 10:01 AM
1 Reply
KHLOW2008
MECHANIC
41,814 POSTS
Hi chaswall,
Thank you for the donation.
The main input for injectors to fire are the crank and cylinder position sensor signals.
The positive wires receives power from PGM-FI main relay and the ECU grounds the circuit with input from the crank and cylinder position sensor in the distributor.