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  • [Corsa B] Car backfiring, overheating, idling rough struggles to turn over.

    First mechanical help thread.

    Video

    4A486938-46C7-49CF-9C27-A842847107B6-28235-00001D576C2F7EC5.mp4 Video by alexevansxo | Photobucket

  • #2
    Ooooh, nice... That's not good. The most worrying thing there I'd say would be the overheating, is it just getting hot or is it actually overheating? Like pissing water out etc?? The easiest thing for you to do at the moment, I'd say, is pull the plugs and inspect them, their condition will tell you a lot.
    |> Spec2 R33 Skyline GTS-T <|

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    • #3
      Originally posted by Dave View Post
      Ooooh, nice... That's not good. The most worrying thing there I'd say would be the overheating, is it just getting hot or is it actually overheating? Like pissing water out etc?? The easiest thing for you to do at the moment, I'd say, is pull the plugs and inspect them, their condition will tell you a lot.
      It reached 100 degrees on a one mile trip down the road. I got to the traffic lights when the whole car started to judder as if it was about to stall.
      That's when I noticed the rev counter going crazy.

      First day of new job tomorrow. 6am start. Don't know how I'm going to get there.

      Comment


      • #4
        That video simply won't load for me.

        If its misfire, pull plugs out and check too see if one or more is wet if it is then its not eating good spark. So you then inspect that ht lead. Then swap ht leads around to check if its that particular lead or just that cylinder.

        Then remove coil pack and leave indoors overnight to remove any moisture. Hopefully this should change a bit.

        Need to see plugs before anything else really

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        • #5
          Backfire + overheating + poor running = I'd check the timing, but it would be useful to know which engine it is.

          The other immediate thought is an air leak which would make it run lean and so cause overheating
          1972 Viva restoration thread - http://www.thecorsa.co.uk/projects-b....html#post1534

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          • #6
            Originally posted by Taurus View Post
            Backfire + overheating + poor running = I'd check the timing, but it would be useful to know which engine it is.

            The other immediate thought is an air leak which would make it run lean and so cause overheating
            Oh sorry, completely forgot.
            The engine is a x12xe
            I'll also point out that the EML has came on.

            Car won't start unless I keep my foot to the floor on the accelerator pedal.

            Comment


            • #7
              It would be worth getting the fault codes read then - have you got access to a reader?

              As you probably know checking the timing on those isn't straightforward because there are no timing marks, it's done using a timing kit. I have one if you need it.

              Those engines are very intolerant of overheating so keep an eye on the gauge.

              Has this come on out of the blue?

              I'll ask the obvious just to make sure - any issues with oil and/or coolant?

              To check for air leaks you can use a stethoscope with a trumpet attachment, or a thin stream of smoke (eg a joss stick) see if it's pulled in anywhere, or you can spray WD40 or lighter fuel gas around the intake - if there's a leak it's drawn in and you'll hear the idle pick up briefly. (Obviously be careful spraying inflammable materials around a hot engine.)

              Best of luck with the new job by the way.
              1972 Viva restoration thread - http://www.thecorsa.co.uk/projects-b....html#post1534

              Comment


              • #8
                Originally posted by Taurus View Post
                It would be worth getting the fault codes read then - have you got access to a reader?

                As you probably know checking the timing on those isn't straightforward because there are no timing marks, it's done using a timing kit. I have one if you need it.

                Those engines are very intolerant of overheating so keep an eye on the gauge.

                Has this come on out of the blue?

                I'll ask the obvious just to make sure - any issues with oil and/or coolant?

                To check for air leaks you can use a stethoscope with a trumpet attachment, or a thin stream of smoke (eg a joss stick) see if it's pulled in anywhere, or you can spray WD40 or lighter fuel gas around the intake - if there's a leak it's drawn in and you'll hear the idle pick up briefly. (Obviously be careful spraying inflammable materials around a hot engine.)

                Best of luck with the new job by the way.
                Thank you Taurus.
                Was still playing up this morning so got the codes read.
                Diagnostics show that the EGR valve is at fault.

                Comment


                • #9
                  Unusual symptoms for the EGR - they can cause misfires, not seen one cause such rapid overheating before. But you live and learn....

                  If cleaning it doesn't do the trick are you planning to blank it or replace it?
                  1972 Viva restoration thread - http://www.thecorsa.co.uk/projects-b....html#post1534

                  Comment


                  • #10
                    Originally posted by Taurus View Post
                    Unusual symptoms for the EGR - they can cause misfires, not seen one cause such rapid overheating before. But you live and learn....

                    If cleaning it doesn't do the trick are you planning to blank it or replace it?
                    Just got back from work, had my father take it down the garage this morning. Went to pick up my car and they've confirmed it's the EGR.
                    A new one is 140 + labour.
                    They've cleaned it out, put it back on. Started the engine. EML went off for 2 minutes and then came back on.

                    Engine will be coming out in a months time so I don't really want to be spending that kind of money.

                    Taurus, what are your thoughts?
                    Is it safe to drive my car now that this issue has occurred? (Taking out the fact it overheated last night)
                    How much will I be looking at for an blanking plate?

                    Comment


                    • #11
                      blanking paltes you can get off ebay and are literally like 4 or soemthing stupid... I'd do that, just means taking it off, fitting plate, putting it back. The EML occasioanlly comes on with this, but obviously t means the car will run ok.
                      |> Spec2 R33 Skyline GTS-T <|

                      Comment


                      • #12
                        Originally posted by Dave View Post
                        blanking paltes you can get off ebay and are literally like 4 or soemthing stupid... I'd do that, just means taking it off, fitting plate, putting it back. The EML occasioanlly comes on with this, but obviously t means the car will run ok.
                        Thank you Dave. I'll do that then.
                        Any chance you could post a link?

                        Comment


                        • #13
                          Originally posted by Sparky View Post
                          Thank you Dave. I'll do that then.
                          Any chance you could post a link?
                          I'm on my phone so no link due to eBay app. But the item number is 180947851150

                          |> Spec2 R33 Skyline GTS-T <|

                          Comment


                          • #14
                            Thank you again.
                            Cheap as chips. Will order one now.

                            Comment


                            • #15
                              Blanking plate in two cars I've driven now. Works fine.

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