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Possible EGR?

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    #1

    Possible EGR?

    Hi all,

    I'm a super noob looking for some inside help on misfiring and possible EGR.

    I just got a 93 accord lx a few weeks and i have been noticing a few things.
    My first issue I've found is at idle my engine seems to miss. Can hear it best from listening to the exuast. I have replaced the plugs and wires (NGk) with no luck. There was some oil in the spark plug tubs so I replaced the valve cover gasket and upper spark plug seals. From what I can tell the previous owners didn't do much except chang the oil. I plan on doing cap and rotor later this week. I also checked the ignition timing and seemed to on the money.

    My other issue is when driving at steady speed (35-40 mph) at about 1500-2000 rpms it stutters or hesitates. From what I've read here that is a sign of EGR.

    Tonight I went out and yanked the vacume line from the EGR and took it for a drive. I still have the misfire at idle but the stutter while driving seems to gone.

    Would you all recommend that a good cleaning would do the job or how can I tell of the valve is the issue and needs to be replaced.

    Also would a cleaning of he EGR help with my idle miss or do I have two issues going on here.


    thanks for any input!
    Tags: None
    #2
    Last edited by Barley; 05-31-2012, 11:40 PM.

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      #3
      I was unable to see the video you posted on this laptop, but I was just wondering if you have had any luck with the issues you were having. I seem to be having the same symptoms with the 93 ex I just bought.

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        #4
        yea cant see video and i also think i have the same problem but them bolts dont come off that easy
        10th Anniversary Accord.
        05 Audi A4 Ultra Sport 6MT.

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          #5
          I have had similar problems. Cleaning the egr can help with the idle, I've seen it and done it myself. Hesitation is definitely a sign of the egr as well. Keep in mind, the two bolts that hold the egr on are a pain to get to and get off, I also suggest doing it while the engine is cool, I burned myself many times before doing it while warm. Cleaning the egr may only help for a little bit, my cel went off for a day or two at most. Then it came back, the hesitation wasnt as bad, but it slowly came back. All my other friends seem to have similar problems, I would suggest changing the valve, I need to do so my self but they are crazy expensive.. best of luck man.
          Everyday is one day closer to completing my cb7 <3

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            #6
            what about a blockoff of the egr? all it does us pump in hot, dirty air. slapping on some flat peices of metal was all it took on my ma70 supra.

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              #7
              Forum noob myself, but before I discovered cb7tuner.com I've been playing around with my cb7 and have to agree with trinistylez. Except for my CEL never came back on once I cleaned it out and hesitation pretty much went away. But I sat there for an extra 20 mins and really left that sucker clean going through a half can of choke cleaner
              Hoonigan: a person who participates in any type of reckless driving including but not limited to drifting, drag racing, burnouts, doughnuts as well as acts of automotive aeronautics.
              MRT: http://www.cb7tuner.com/vbb/showthread.php?t=195250

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