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1991 Honda Accord EX failed smog for NOx

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  • December 11, 2012 at 5:30 am #483557
    hondaguy453hondaguy453
    Participant

      I’m going to retest the car soon because I just finished cleaning the EGR passages. Retested the EGR and the car now stalls while applying vacuum to it. I’m also draining the coolant as I type this. Also looked for vacuum leaks, but didn’t find any. What else should I look for? I’m pretty sure it was the passages because all 6 were super clogged haha. Just wanted to see what you peeps could throw in. Thanks in advance!

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    • December 14, 2012 at 11:25 pm #484538
      hondaguy453hondaguy453
      Participant

        Car passed smog yesterday, thankfully! The EGR cleaning reduced the NOx levels tremendously, although I think the cat is going due to the amount of time it was running hot…

        December 15, 2012 at 3:30 am #484667
        college mancollege man
        Moderator

          All right glad to hear you passed.thanks for the update.:)

          December 22, 2012 at 5:09 pm #486425
          EricTheCarGuy 1EricTheCarGuy
          Keymaster

            This may help the next time you run into something like this.

            December 25, 2012 at 1:26 am #486722
            hondaguy453hondaguy453
            Participant

              Thanks Eric! I watched AND bookmarked the vid right now haha. Good informational stuff once again!

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