pcm question


superjasn

15+ Year Member

Joined
Aug 31, 2008
Messages
14
Points
3,101
Transmission
Automatic
93 ranger dual plugs 2.3L
how do i test if the pcm is sending a signal to the icm. telling it to send a spark?
ignition control module tested good more than 5 times.
icm is grounded good
engine turns and turns
coils good
gas is plentiful @ the rail
crank sensor new.. and good
new wires
new plugs
tested wires coming from the powertrain control module... tested good
also wires coming from icm, good @ less than 1 ohm.
everything seems copacetic just no spark at the plugs
 

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