procharger Posted May 6, 2016 Report Share Posted May 6, 2016 I purchased the Dr. RoTech engine analyzer hooked it up today it shows no problems, with the coils, triggers, etc. I hooked up one new module at a time I had all the plugs grounded then turned engine over only saw 2 plugs firing. I then changed one male plug over to the other female plug than I had 4 plugs firing. I then removed the module and plugged in the other module and still had 4 plugs firing so both are good.I then plugged the other module back in along with the other one and checked all plugs, only 6 are firing, the 2 that are not are on bottom of 3 and 4 cylinders. Link to comment Share on other sites More sharing options...
Anticept Posted May 6, 2016 Report Share Posted May 6, 2016 The leads may have been pulled on and they came loose from the coils or boots, or the wire leading to the coil pack might be bad. They boots and the coils have screws that the leads attach to. Unscrew them and make sure you don't have broken wires. They only have a couple thin little wires in the center, so do this with great care. You can test the leads with a megger if you feel so inclined, but usually a continuity test from the coil side through the boot will tell you a lot. Let me boot up the computer first before doing anything and check the ignition diagram. I think 3 and 4 bottom share the same coil. EDIT: yes they do. I bet that coil isn't getting a connection from module A. Check connectors. The ignition coils use metal distributor bars instead of wires, make sure none of those are broken. You will have to take the two modules off (two screws) to see what is going on with the coil packs and distribution. Link to comment Share on other sites More sharing options...
procharger Posted May 6, 2016 Author Report Share Posted May 6, 2016 Corey do you think everything behind flywheel is ok thanks? Link to comment Share on other sites More sharing options...
Anticept Posted May 6, 2016 Report Share Posted May 6, 2016 That would affect more than just the bottom rear plugs. I apologize, I'm getting drunk, so I probably shouldn't post for the rest of the night heh. Link to comment Share on other sites More sharing options...
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