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Only some spark at the coilpack

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99 E-klips gs

10+ Year Contributor
84
0
May 5, 2012
Wood River, Illinois
I just bought a new coilpack thinking it was bad, but new one does the same thing. 2 are dead and 2 are weak. The back side of the coilpack is the part thats dead. I dont know if its the cas or the cps, because if they were bad wouldnt I get no spark at all? Would should I look for? Is my ecu bad? I need help
 
Does eclipses only fire up half the cylinders to start it? And then kick in the rest when its driving or running? I know some cars do this and was wanting to know if I was messing with a problem that isnt there
 
I have changed the coilpack, plugs and wires, crank positioning sensor, camshaft positioning sensor. I have checked to make sure all injectors are getting a signal and they are. I checked all wires on the circuit with a DMM. Wires are good from ecu to coilpack, coilpack to ground, ecu and ground to cas and cps. I bought a new ecu and it still doesnt work. I polished all the grounds for the ecu and the ground to the block. I am at a loss and I am going insane. Sick of spending money, someone please help. Could the VSS or the knock sensor be the problem aswell? Anyone know?
 
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