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Checked everything but still running on 3 cylinders! help fellas!!

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    #1

    Checked everything but still running on 3 cylinders! help fellas!!

    Ok, now I know this is in the beginner section but i need help from everyone!!

    Ok, so i was coming down for 711 thursday evening, i made a right turn to where i live (maybe 1/4 mile of distance) when all of a sudden one of my cylinders stoped working!! (f22a1 by the way, 5 speed).

    ok, so I checked spark plugs and wires, they are all good! cylinder #2 isnt working...so i changed the plugs and wires, also the rotor and cap and still the same problem....

    now, i was checking the other day on here, and i saw some threads that kinda regarded my situation... which funny enough i thought it was the injector...and that what i did, i changed the injector on #2, and still the same problem!!

    I dont know what could be the problem!
    havent checked the compression, yet.
    but the valves are lifting properly tho (took valve cover off and turn over motor)....

    could the timing belt cause a problem like this??

    any help would be appreciated fellas!!

    ______________________________
    "I ran open header once, it was sooooo loud little kids were running for cover as I was cruising at 2000rpms. That was enough to know I shouldn't floor it."
    Tags: None
    #2
    Check the injector wiring on #2 and the resistor box.

    Comment

      #3
      Originally posted by bruno8747 View Post
      Check the injector wiring on #2 and the resistor box.
      well, the wiring on injector #2 is good, i think....isnt if the wire is bad woulden't it throw a code? and yes, i've been wondering about the resister box...but can that go out and cause just one injector not to work?

      ______________________________
      "I ran open header once, it was sooooo loud little kids were running for cover as I was cruising at 2000rpms. That was enough to know I shouldn't floor it."

      Comment

        #4
        bumpz....come guys, any help would be appreciated!

        ______________________________
        "I ran open header once, it was sooooo loud little kids were running for cover as I was cruising at 2000rpms. That was enough to know I shouldn't floor it."

        Comment

          #5
          I imagine it could. You need to figure out if the cylinder is out because of fuel or spark.

          Take the plug out of #2 and see if you have spark. If you do than try replacing that injector resistor box.

          Comment

            #6
            Originally posted by pedroalcala View Post
            well, the wiring on injector #2 is good, i think....isnt if the wire is bad woulden't it throw a code? and yes, i've been wondering about the resister box...but can that go out and cause just one injector not to work?
            doesn't always throw a code. Similar if you unplug the injector. Check resistance between the plug at the injector to the resitor box. it all leads back to the box

            Comment

              #7
              check for spark on the plug and the wire, do a compression test it wil tell alot,
              Accord SE


              93se
              Members Ride
              Bought from: H22wagon93, Theos92VR4, Hondafan81, Father Time, DarkHusk, Gunrunner, FamousFreak
              Sold to: sulimed, BurtonRiderT6, tishock

              Comment

                #8
                you may have a short in the wire for the number two injector

                Comment

                  #9
                  check the compression. its rarely for a injector to fail on a cb7. i dont think i ever heard of one yet. but you could unbolt the fuel rail and disconnect the coil wire. turn the motor over a cupple times. then pull out the injector and see if theres gas in the intake mani.

                  i think its a bent valve.
                  miss my turbo cb7
                  moved onto volvos. dont know how that happened, just did

                  Comment

                    #10
                    Originally posted by quickangel93 View Post
                    check the compression. its rarely for a injector to fail on a cb7. i dont think i ever heard of one yet. but you could unbolt the fuel rail and disconnect the coil wire. turn the motor over a cupple times. then pull out the injector and see if theres gas in the intake mani.

                    i think its a bent valve.
                    That's a pretty serious problem.

                    OP, hear any funny noises? Run the engine really high lately?
                    MRT
                    37.5 MPG, AC on, cruising at 80.
                    30.0 MPG, AC on, aggressively driving around 90.
                    27.5 MPG, no AC, cruising at 90 with occasional gridlock. 40 degrees Fahrenheit

                    Lots of DIY videos specifically for our car

                    Get some awesome wipers! <-- It's a DIY
                    Originally posted by Tippey764
                    I think driving your car naked will cause the engine to overheat
                    Originally posted by deevergote
                    sneaky motherfucker

                    Comment

                      #11
                      Originally posted by GeoffMisiak View Post
                      That's a pretty serious problem.

                      OP, hear any funny noises? Run the engine really high lately?

                      yea injector cant just go like that. timing belt could slip one or two teeth, and bam theres your bent valve.
                      miss my turbo cb7
                      moved onto volvos. dont know how that happened, just did

                      Comment

                        #12
                        Originally posted by quickangel93 View Post
                        yea injector cant just go like that. timing belt could slip one or two teeth, and bam theres your bent valve.
                        Well, yea. I didn't think there was much gravity to that concern though.
                        I think you can test if the valves are hitting by:
                        removing your spark plugs, and cranking the engine by hand. Use a socket on the P/S. Look for/Listen for any metal clanking.
                        That'll only work if the valve isn't bent too far the other way.
                        MRT
                        37.5 MPG, AC on, cruising at 80.
                        30.0 MPG, AC on, aggressively driving around 90.
                        27.5 MPG, no AC, cruising at 90 with occasional gridlock. 40 degrees Fahrenheit

                        Lots of DIY videos specifically for our car

                        Get some awesome wipers! <-- It's a DIY
                        Originally posted by Tippey764
                        I think driving your car naked will cause the engine to overheat
                        Originally posted by deevergote
                        sneaky motherfucker

                        Comment

                          #13
                          Thanks so much for all the support fellas, I found my whole problem tho!!
                          The injector was good tho, the resistor box was a bit kinda messed up, the wiring to the injector was good, but I did a timing belt change tho...
                          i'll tell you, it runs alot better and no more 3 cylinder engine

                          no valves were bent!

                          ______________________________
                          "I ran open header once, it was sooooo loud little kids were running for cover as I was cruising at 2000rpms. That was enough to know I shouldn't floor it."

                          Comment

                            #14
                            i knew it was timing.
                            miss my turbo cb7
                            moved onto volvos. dont know how that happened, just did

                            Comment

                              #15
                              Originally posted by quickangel93 View Post
                              i knew it was timing.
                              yup! plus forgot to mention that it was off by 2 theeth

                              ______________________________
                              "I ran open header once, it was sooooo loud little kids were running for cover as I was cruising at 2000rpms. That was enough to know I shouldn't floor it."

                              Comment

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