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engine constant misfire...problem

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    engine constant misfire...problem

    well every since i swapped the engine the engine has been misfiring...it doesnt bog, when idling it misfires all the time...i dont know what to look at?, i did notice like a few drops of oil in 2 spark plug holes i dont think that much could cause a misfire ?????
    also im going to check the plugs...ignition wires were working fine on my old engine...also when i rev the engine about 2k more like 1800 rpm it starts to shake (engine) after it passes 2.5k rpm it stops...
    anything to look check?? injectors? fuel pump?
    what else could cause a misfire? o2 sensor?


    also the engine was originally from chigago could the change in temperature cause some sort of problem?
    i also changed parts from my old engine..also has a brand new thermostat because it was overheating...

    #2
    im going to say your 02 sensor.

    plus yea that would cause a misfire. drop two drips of oil on a match then make an attempt at starting it. if it got on the plug then plugs bad. could be that. fuel pressure regulator a few things.


    ps. dont fully feel like capitalizing
    Originally posted by Good & Tight
    It takes real man to mount a big woman, all you haters are just scared boys.

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