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need help with 95 4.0 has bad miss

roxj

NAXJA Forum User
i have a 95 model sport 4x4 with a terrible miss. it actually lopes like it has a big cam in it. when i unplug the ect sensor the engine idles up to about 1200rpm and smooths out. i have tested all the sensors, checked fuel psi, cant find any vaccume leaks, and it isnt throwing any engine related codes. the only codes i am getting are for an a/c clutch relay and aux fan relay. when i test the realys they both check out fine but the ac doesnt kick on and neither does the aux fan. it also has new plugs, wires, cap, rotor, distributor, and ect sensor.
 
bad injector?
 
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