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ok,I have a 92' lumina z34 3.4l.My problem is this,first I re-gapped the plugs,at 45,(had a slight miss,so thought that this might help) they had them gapped between 50 and 60,got that problem fixed,After doing this I replaced the plug wires and..replaced two plugs in the rear middle and drivers side,were and they still are missing,swapped the injectors out and it still misses on the same two 2 back plugs (middle and drivers side,new plugs in those 2 cylinders.new wires.new ecm.what could possibly be the problem?any help here would be greatly appreciated.thanks in advance.
stumped! I also checked the timing belt,looks pretty new,so I know it hasn't jumped time...I also had to replace a coil pack,it is just those two plugs (middle and driver side rear).I also did a ohm check on all injectors,all are real close to each other so it doesn't seem to be the injectors.possibly the plug and wires going to the injectors?need some help..please....oh by the way it ran pretty good B4 I re-gapped the plugs,just had a slight miss.
stumped! I also checked the timing belt,looks pretty new,so I know it hasn't jumped time...I also had to replace a coil pack,it is just those two plugs (middle and driver side rear).I also did a ohm check on all injectors,all are real close to each other so it doesn't seem to be the injectors.possibly the plug and wires going to the injectors?need some help..please....oh by the way it ran pretty good B4 I re-gapped the plugs,just had a slight miss.
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