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Recent content by mazzerman

  1. M

    New HB install question.

    Hi Guys n Gals Iv just had a new OEM harmonic balancer and bolt fitted by a garage but after getting it back i noticed that there is still a very slight wobble, nowhere near the same as before, but i didn't expect to see any wobble at all. If the the RPM is increased by a few hundred then the...
  2. M

    random shutdown with no codes.

    Thanks for the reply. Plenty of fuel in tank, around 25 Ltr Fuel pressure 60 PSI at the rail under idle. Battery is reading good volts, Ground wire to fuse box cleaned and secure Chassis ground especially G107 all checked and are clean and tight on the block. No codes at all on T2 just the usual...
  3. M

    random shutdown with no codes.

    Hi guys 2005 C6 M6, no mods. I have a strange problem with car randomly shutting down, it will start right up again but i dont trust to take the car out anywhere incase it shuts off at speed in an awkward place. I have followed the FSM with my Tech2 and everything checks out perfectly. I have...
  4. M

    What type of ignition firing system do i have on a base 2005 C6?

    I am trying to diagnose a random misfire problem. i have an oscilloscope but am unsure as to whether my car has a Secondary DIS positive fired, Secondary DIS CPC negative fired, or maybe non of the above, anyone have an answer for me?
  5. M

    Random misfire problem, help needed please..

    2005 C6, 65,000mls I'm getting a hesitation on hard acceleration, but not on smooth acceleration. Tech2 log looks ok for most PIDS i.e STFT and LTFT all look ok, mostly on the -4 range under deceleration it goes into OL and O2's drop to 0 which i believe is normal. on the misfire data i'm...
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