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1G No start! No injector pulse?

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dsmnoob90

Probationary Member
6
0
Feb 23, 2010
regina, SK, Canada
1990 plymouth laser non turbo, automatic.
Once in a blue moon i can get it running,with lots of cranking and pumping of the throttle, but i seem to have no injector pulse.

this is after a motor swap, (was running fine, then it just started running funny, and now this.)
this is our second CAS, doesnt seem to make much difference.
12v @ CAS plug.
took some pics of unused plugs, and broken coolant temp. sensor.
i have tested for codes, and it just bounces. (using a analog voltmeter)
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Anything else I can offer to help, let me know. I'll be at it tomorrow morning, going wrecker shopping.

noone knows what any of these plugs are for?
cmon guys!

the car is running today.
poorly, but consistantly.
all we changed it the little black box slightly lower then the coil pack on the driver side rear of the engine.
labelled "power unit"
we got another one out of a hyundai.

presto.
little more tinkering next week, should be driving it by then.

YouTube - ‪1990 Plymouth Laser start and run‬‏
 

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