Burning smell.....running on 4 cylinders.....arrggh!

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  • John B
    S2Forum Maniac
    • Apr 2008
    • 926
    • Country: United Kingdom

    #1

    Burning smell.....running on 4 cylinders.....arrggh!

    Took the beast out for a gentle warm up before a blast on the way to do some work on our daughter's house.....got about 20 minutes down the road.....engine went very lumpy and there was an electrical burning smell. Pulled in, left engine running and popped the bonnet. There was some oil sprayed over the rear of the engine on the head near the coil pack connectors. Then oil gurgled out of top cover (above coil packs / plugs). Switched engine off.....made phone calls then re-started and coaxed her home. Not happy on anything but a mild throttle, missing a cylinder.

    Next opportunity a few days later took her to my garage. Black smoke of oil on start up.....cleared a bit but very lumpy.......not a happy engine.

    Phone call a little while later........one of your coil packs has disintegrated......there is oil under the top cover.

    This is what greeted me.

    tn_WP_20151120_14_38_55_Pro.jpg tn_WP_20151120_14_39_26_Pro.jpg tn_WP_20151120_14_40_13_Pro.jpg

    Coil pack gone......that and the other 4 were only 2 years and 5,000 miles old....doh!

    It looks to me like the cam cover gasket has failed allowing oil to seep into the spark plug / coil pack area of number 2 cylinder and play havoc......am i right?
    2001 996 C4 - Being renovated
    1994 ABY Coupe - "Das Smaragd RS2+ Coupe" - Sold
  • Error404
    Super Moderator
    • Mar 2007
    • 19789
    • Country: United Kingdom

    #2
    Yes cam cover gasket has failed and the plug well has filled with oil and rotted the coil boot.
    Panthero Coupé quattro 20vt
    Indigo ABY coupé
    Imola B6 S4 Avant

    Comment

    • John B
      S2Forum Maniac
      • Apr 2008
      • 926
      • Country: United Kingdom

      #3
      As I thought.....I wouldn't have thought it could fail only 3 years after a total engine rebuild
      2001 996 C4 - Being renovated
      1994 ABY Coupe - "Das Smaragd RS2+ Coupe" - Sold

      Comment

      • Error404
        Super Moderator
        • Mar 2007
        • 19789
        • Country: United Kingdom

        #4
        Yes mine is weeping a tiny bit after only about 4k miles
        Panthero Coupé quattro 20vt
        Indigo ABY coupé
        Imola B6 S4 Avant

        Comment

        • John B
          S2Forum Maniac
          • Apr 2008
          • 926
          • Country: United Kingdom

          #5
          Thanks Alex......not just me then shame a gasket that doesn't cost much can cause an expensive coil pack to go......guess that is the story with many a car
          2001 996 C4 - Being renovated
          1994 ABY Coupe - "Das Smaragd RS2+ Coupe" - Sold

          Comment

          • Error404
            Super Moderator
            • Mar 2007
            • 19789
            • Country: United Kingdom

            #6
            Well, I check my plug torques quite often so a good time to check the plug wells for oil
            Panthero Coupé quattro 20vt
            Indigo ABY coupé
            Imola B6 S4 Avant

            Comment

            • John B
              S2Forum Maniac
              • Apr 2008
              • 926
              • Country: United Kingdom

              #7
              Sound advice....thanks
              2001 996 C4 - Being renovated
              1994 ABY Coupe - "Das Smaragd RS2+ Coupe" - Sold

              Comment

              • andy10v
                S2Forum Zealot
                • Mar 2009
                • 5996
                • Country: Scotland

                #8
                Did you check the cam cover bolts after a few heat cycles?
                Current-2004 Impreza PPP wagon

                Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
                Sold ABY-stock

                Comment

                • John B
                  S2Forum Maniac
                  • Apr 2008
                  • 926
                  • Country: United Kingdom

                  #9
                  No but will do next time. Cheers
                  2001 996 C4 - Being renovated
                  1994 ABY Coupe - "Das Smaragd RS2+ Coupe" - Sold

                  Comment

                  • quattro-nick
                    S2Forum Extremist
                    • Sep 2012
                    • 1746
                    • Country: Belgium

                    #10
                    i woud rebuild your coils with some v8 or tfsi coils
                    audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                    TWINCHARGED power,zero lag
                    AEM W/M injection

                    Comment

                    • John.
                      S2Forum Fiend
                      • May 2012
                      • 2615
                      • Country: Scotland

                      #11
                      Originally posted by quattro-nick
                      i woud rebuild your coils with some v8 or tfsi coils
                      Is there a "sticky" post about going this route?

                      Comment

                      • quattro-nick
                        S2Forum Extremist
                        • Sep 2012
                        • 1746
                        • Country: Belgium

                        #12
                        audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                        TWINCHARGED power,zero lag
                        AEM W/M injection

                        Comment

                        • John.
                          S2Forum Fiend
                          • May 2012
                          • 2615
                          • Country: Scotland

                          #13
                          034=£$

                          Comment

                          • Error404
                            Super Moderator
                            • Mar 2007
                            • 19789
                            • Country: United Kingdom

                            #14
                            John if you need a conversion harness let me know. I can do TFSI or LS2 far better quality materials than 034 junk
                            Panthero Coupé quattro 20vt
                            Indigo ABY coupé
                            Imola B6 S4 Avant

                            Comment

                            • andy10v
                              S2Forum Zealot
                              • Mar 2009
                              • 5996
                              • Country: Scotland

                              #15
                              Originally posted by Error404
                              John if you need a conversion harness let me know. I can do TFSI or LS2 far better quality materials than 034 junk


                              Alex's harness is very nice.

                              It gives you access to modern readily and cheaply available coils, and eliminates the OEM POS.

                              Then you can get 5 coils for £124.99.

                              Dwell should be adjusted in the ECU, it will still work without it as most do, just coil life will be shorter.

                              The other argument is to just buy all new OEM coils/boots/POS and it should be good for another XX years.
                              Current-2004 Impreza PPP wagon

                              Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
                              Sold ABY-stock

                              Comment

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