1993 Caravan... 3.3liter... AWD, ABS
Vehicle was being driven and just died.
Here's the scenario....

NO pulse width to injectors
NO dwell signal to any of the three coils in the coil pack
Good 12V at B+ coil pack and injectors (Good ASD voltage to coil pack,
injectors etc) 8-9 volts nominal during cranking
Cranks fine
Fuel pump comes on and fuel rail comes up to pressure

Checking all the following circuits right at the computer......
-good cam sensor signal
-good crank sensor signal
all 12 volt ignition and battery feeds to computer good
all ground leads to computer good
there is no pulse width signal to any injector....  shows battery voltage
indicating complete circuit via ASD relay and injector(s)
there is no dwell signal to any coil....  shows battery voltage indicating
complete circuit via ASD relay and coil(s)

Have checked play in timing chain....  2 degrees max....  145K (90 thousand
miles) on engine
Have tried 3 different computers from running engines - no change
Have tried 2 different body computers - no change
Vehicle antitheft indicates disabled
Scanner reports no trouble codes
Scanner reports good data - all sensors normal
During cranking, scanner reports good crank sensor signal and cam sensor
signal
During cranking, scanner reports cranking RPM

YET.................
No Trigger signal (dwell) to coil pack and no pulse width to injectors......
What am I missing?
Thanks in advance......
JP

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