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CEL lights up when coasting

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    #1

    CEL lights up when coasting

    Hi Guys,

    After a recent trackday my DC2R occasionally lights up the Check Engine Light (CEL) when it's coasting. It usually occurs when I give the car some gas then coast. IE. accelerating away from a light quickly then foot off the accelerator.

    Oh yeah the CEL goes away when I blip the throttle. Sometimes when the CEL is on, the engine will idle erratically, nothing hectic but you will see revs rise and rall a few rpms.

    Does anyone know what might be wrong?

    The car has a PowerFC tuned by TODA and I/H/E. I read it could be the oxygen sensor..

    I will have the CEL looked at by Adrian, just wondering it it may be..
    Last edited by milkman; 12-08-09, 09:38 PM.
    David

    '00 DC2 Integra TypeR SOLD
    '78 SB2 Civic "Hondamatic"
    '07 GD3 Jazz
    Tags: cel, powerfc
    #2
    look at the CEL yourself,

    proceedure is on page 11-32 of the factory manual...

    then tell us what code it tells you and we can work it out from there...
    ... retired/

    Comment

      #3
      I didn't know you can check it yourself!

      I'll take a look tonight. Thanks Dave.
      David

      '00 DC2 Integra TypeR SOLD
      '78 SB2 Civic "Hondamatic"
      '07 GD3 Jazz

      Comment

        #4
        opps, sorry didnt realise it was powerfc,

        any CEL flashing will be due to warnings:

        http://paulr33.skylinesaustralia.com...rfc-faq.htm#32
        ... retired/

        Comment

          #5
          Damn, I need a hand controller. I will refrain from driving until I can get Adrian to look at it :/

          Cheers
          David

          '00 DC2 Integra TypeR SOLD
          '78 SB2 Civic "Hondamatic"
          '07 GD3 Jazz

          Comment

            #6
            yeah, sounds like you have a problem, so best to get adrian to see what it is before drivign too much more...

            sorry to be of such little help...

            hope it is minor!
            ... retired/

            Comment

              #7
              Hey Dave,

              No worries mate. You've helped plenty of other times.

              Okay, took the car into TODA yesterday. PowerFC gave out an a tp switch error. Adrian was very thorough in exploring all possible causes of the error and in the end it was a fcked TPS.

              Swapped mine out CEL pissed off and hasn't been seen since.
              David

              '00 DC2 Integra TypeR SOLD
              '78 SB2 Civic "Hondamatic"
              '07 GD3 Jazz

              Comment

                #8
                good to hear

                had very similar problem with my dc2r after wakefield trackday bring tps code, ended up being throttle body issue.... wierd but was a good excuse to upgrade lol

                Comment

                  #9
                  Ok got an issue I think is TPS but not sure -- No CEL but hesitates at 3000rpm, splutters. Leans out (talking 10-25% throttle really) then gets it back together and kinda 'jumps' in the RPM & runs fine above 3000rpm or at heavy throttle application. Also seems to at its worst when engine is cold, once up to temp not so much an issue..

                  Not getting a CEL -- Datalogging should show if the TPS is 'sticking' yeah? Any ideas?

                  Comment

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