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90 ex rough idle

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    #1

    90 ex rough idle

    hey everyone,
    new to site with a question. I have a 90 accord with 200+ miles. I'm having a rough idle problem. replaced plugs, wires, cap, rotor n still have rough idle. car runs great otherwise. anyone with same prob or fixes please help. is timing off-dirty injectors-?????????
    Tags: None
    #2
    maybe your motor mounts are broken. if it isn't misfiring when driving, most likely the motor mounts.
    The beginning of a new era............................
    165 hp 149 ft. lb. torque sohc non vtec. then....
    184 whp and 149 ft. lb. torque f20b stock now......

    Comment

      #3
      motor mounts

      thanks for reply. mounts are partially torn. how to distinguish between mounts prob n misfire?

      Comment

        #4
        misfire will still make your car run rough with load. motor mounts broken will make engine rumble at idle. is your car an automatic??
        The beginning of a new era............................
        165 hp 149 ft. lb. torque sohc non vtec. then....
        184 whp and 149 ft. lb. torque f20b stock now......

        Comment

          #5
          idls prob

          appreciate the input. no 5-speed. cleaned throttle plate yesterday, smooth for a few minutes. then back to rough.

          Comment

            #6
            There is a screw in the throttle body that you can adjust. That well solve your problem.....

            I well have to look at my wife's wagon to give you better directions...

            Comment

              #7
              Check for vacuum leaks and since your car is up there on miles I would just replace all the vacuum hoses there cheap and easy to do just make sure you do one at a time.
              I need a 14b or 16g turbo!

              Comment

                #8
                1. smoke test if u have rough idle( idle is jumping around)
                2. carb cleaner around tb housing and listen to see if it sucks anything in or any where they can be a leak

                ps smoke test is the best way would find the leak real quick i had a problem too with my 92 lx

                dont change thing smoke test it dont throw money at a problem untill ur sure of it
                Last edited by jay82985; 08-03-2007, 03:42 PM.


                4 door ex-l

                Comment

                  #9
                  i had the same problem i changed my motormounts and cleaned out the throttlebody and took it on a 50 mile drive it was fine after that

                  Comment

                    #10
                    mine

                    to have that problem but mine is more like when your at a stop sign or something and release the brake pedal and creep foward it jerks but i still cant figure it out everythings been from new vac hoses to cleaning the iacv 3 times

                    Comment

                      #11
                      Originally posted by cb9pr
                      to have that problem but mine is more like when your at a stop sign or something and release the brake pedal and creep foward it jerks but i still cant figure it out everythings been from new vac hoses to cleaning the iacv 3 times
                      egr problem maybe.
                      The beginning of a new era............................
                      165 hp 149 ft. lb. torque sohc non vtec. then....
                      184 whp and 149 ft. lb. torque f20b stock now......

                      Comment

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