hello,any help would be appreciated..i have the 4 cylinder
dual plug system.it runs ok until you come to a hill and
even on level ground it doesn't have any power(get up and
go)once you leave 4th gear.it has a small miss at idle,and
does seem to maybe miss/surge in high gear(sort of like a
lurching forward).with it idling i've pulled each plug wire
from the coils one at a time,and what i find is that on the
intake coil the #1 & #4 cylinders change the engine idling
significantly,but the #2 & #3 cylinders are firing great
from the coil but no change in engine.i've swapped the
plugs around and stills remains the same.now on the exhaust
coil,the #2 & #3 cylinders are firing but doesn't change
engine,and the #1 & #4 cylinders have no fire at all coming
out of coil.(and i already tried new coil,same exact
thing)so that leads me to believe thats either normal or
theres a problem before it gets to the coil..*just to note
my engine lite doesn't come on at all,not even in the
mornings when you cycle the key,hooked up the obd 1 and it
says vehicle not responsive..tried it several times with
same responce.could it be timing jumped 1 tooth or maybe
the ign. module.any help would definitely be helpful(also installed new fuel filter w/no change)

 

If you solved your rough running problem, help me, i have a 90 ranger 2.3 it bucks, lurches at higher speeds & when shifting, 5 speed trans

 

Slingshot & sweetwillie check each coil packs resistance as spec'd in a service manual, change out the wires if not already. Sweetwillie (and Slingshot you may want to as well) check very carefully for fractures in the coil packs.