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-   -   ZJ Runs great when cold like crap when warm (https://www.cherokeeforum.com/f5/zj-runs-great-when-cold-like-crap-when-warm-204970/)

scubasegt 01-24-2015 07:52 PM

ZJ Runs great when cold like crap when warm
 
95 ZJ recent motor swap from 93 cherokee sport new plugs wires cap rotor fuel filter water pump thermostat battery cps starter runs great when cold has full power soon as it warms up it seems like its turned into the devil rough idle bucking when in gear had an injector leak on 5 and 6 so pulled the rail cleaned the injectors and ports new orings from felpro lubed them up stuck back in no more fuel leak but still runs like crap when warm when its cold runs great can rev it to the sky but warm and idle like crap poppin in the intake cant put her to the floor fuel pressure stays 40 n above the old motor ran great just had really bad knock cause the oil pressure sensor blew out so then ran it home with no oil so any susgestions??


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