Loss of spark @ cylinders 3 & 4 AGAIN!!!

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Vince7

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Joined
Apr 27, 2003
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Rhode Island
Hello all, I thought i had this car figured out and running straight between bad gas =fixed that no fire with cylinders 3 and 4 replaced coil pack wrong firing order thanks to CHILTONS, took care of that 60k service= motorcraft plugs, wires
oil filter checked shimms r&r valve cover gasket plug seals and intake set and misc other checks.
I noticed the DIS module has some cracks in it but the engine never stalls or quits and also checked plug at col pack for seating and pin alignment. strange things happen not sure what would cause a coilpack to fail early, i havent checked for codes yet i'm running out to do so now, any thoughts would be helpfull i'm sure. thanks much Vince7 ps: 1991 SHO 3.0L Yam 102k
5speed all factory no toys hehe
 

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