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  1. K

    multiple/random misfire code P0300

    I got the P0300 at idle and the P1345 while driving. It barely stays running. It seems to smooth out a little bit at higher RPMs. One thing I forgot to add is I did not get the heads reworked and after start up I notice the exhaust was sucking back in at the tale pipe, must be a stuck valve...
  2. K

    multiple/random misfire code P0300

    A little history on the engine. The guy I bought it from ran it low on oil and kept driving it. on the tear down all the main bearings were spun as well as the cam bearings. sent the block to the machine shop and had it bored 30 over, had to buy a scat crank, the old one was to far gone. Had...
  3. K

    multiple/random misfire code P0300

    Thanks for the info, I moved the distributor both way a tooth and it was worse. Do you think it could be the crank or cam sensors? Why would you replace the whole distributor? Any help would be great. thanks
  4. K

    multiple/random misfire code P0300

    I have recently baught a non running engine and rebuilt the engine. At start up it ran rough and threw a code of P0300 random/multiple misfire. It has a new cap, rotor, wires, and plugs. Has any one else had any simular issues? Could it be some other sensor? I plan on testing the cam, crank...
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