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strange engine troubles

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    #1

    strange engine troubles

    so here's my problem. when i start my car cold it runs purfectly. but as it gets closer and closer to opperating temperature, it developes a miss lower and lower in the rpm range untill finaly at opperating temperature it idles at about 250 rpm and will not rev past 1000 rpm. i have changed plugs, wires, roter button, coil, cleaned up the dizzy cap, hollowed out the cat, changed the air filter and fuel filter all with no success. Btw....the car is not throwing an engine code (hard or soft), and is not over heating.
    My car has been at the best shop in the Halifax area (which is owned by a good friend) for a week and a half and they can't figure it out.

    any help would be greatly appreceated
    Tags: None
    #2
    Come on guys someone must know something

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      #3
      Does it stutter like it has a rev limiter when you try to rev past 1000 RPM?

      The New-ish Ride
      My old Ride
      Hear my Vtak!!!
      MK3 Member #3
      I piss off people for fun.
      IA 08 Sunburn Victim #1

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        #4
        yes

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          #5
          when its warming up, the timing might be going off you might want to recheck that. also, you might want to check your plug wires again and make sure that there is no cracks in them.
          turboed cb7 baby

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            #6
            sounds like distributor wiring trouble to me, like when it warms up the wires are breaking and when its cold the connections are all there. I would do a Ohm check on the wires pertaining to the plugs, distributor etc. Do it when its cold and record your readings, then do it after it warms up to its normal operating tempeture and see if any of the Ohm readings are different

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