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Misfire with diy coil on plug

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Old Oct 14, 2019, 06:53 PM
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Misfire with diy coil on plug

I recently bought an Evo 8 with what looks like a diy coil on plug kit, it has ran fine the last week but when I started it this morning and it has a misfire I traced it to cylinder 2 and assumed it was a bad ignition coil so I replaced it but it is still misfiring. I’m assuming it is a bad connection in the connector so I’m going to replace that tomorrow but could it potentially be anything else? (Besides the wiring itself which is super unlikely)
Old Oct 14, 2019, 09:20 PM
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replace the plugs and gap them to a .020-.022
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infam0usndn2nv (Oct 15, 2019)
Old Oct 15, 2019, 12:28 AM
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should've pulled the plug first before replacing coil but yeah, do what biggie says and let us know how it goes.
Old Oct 15, 2019, 02:08 AM
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Try replacing the plugs.
Old Oct 15, 2019, 06:17 AM
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Originally Posted by Biggiesacks
replace the plugs and gap them to a .020-.022
already replaced the plugs as well forgot to say that
Old Oct 15, 2019, 07:10 AM
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Ok I figured out it’s the plug that goes from both cylinder 2 and 3 into I assume the coil pack, the wires are coming out of the connector and I got them to touch and run good but it is a bandaid fix for now so can anyone point me in the right direction to buying a plug in that goes the 2 plug ins for ignition coils 2 and 3
Old Oct 15, 2019, 04:36 PM
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thats sounding like the stock ignition system if that coil supplies 2 and 3.
Old Oct 16, 2019, 07:52 AM
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Can you post a picture of your setup? If you're talking about the gray connector that plugs into the factory connector on the left side, it would power coils 2 and 3.
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