Question about 1996 Jeep Grand Cherokee

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I changed plugs and wires 96 Gand 4.0L when i was done the truck ran like **** i so i had diagnostics done it gave codes 301-306 (all cylinders missfire ) then i changed the distributor cap rotor and ignition coil still is misfireing what else could it be ?

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  • zachj1982 Aug 22, 2010

    plugs are in right order 153624 and the codes are 301 302 303 304 305 306

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301 & 306 are cylinder #1 and #6 misfire. Your spark plug wires are not in the proper firing order in relation to the correct cylinder and distributor locations.

Posted on Aug 22, 2010

  • GetMeOttaHere Aug 22, 2010

    I realize that the plugs are in correct order, but are the wires in the correct order on the distributor, I'm thinking no at this point. You are showing codes for a misfire on all cylinders after wire replacement.

    Here is a diagram for correct wire routing;




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