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Forum: C4 Technical Issues

Any and all problems involving your C4, including ZR1 and LT4. INCLUDE THE YEAR OF YOUR CAR.

  1. Sticky Thread Sticky: OPTISPARK DIAGNOSTICS, or is it something else ?

    Started by c4c5specialist, 12-20-2011 10:25 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 18,864
    07-28-2016, 03:58 AM Go to last post
  1. Hot air

    Started by Demonstrator47, 07-13-2016 09:36 AM
    • Replies: 6
    • Views: 1,401
    Today, 05:54 AM Go to last post
  2. Back firing since new 1993

    Started by Chester, 08-15-2017 05:36 AM
    • Replies: 0
    • Views: 49
    08-15-2017, 05:36 AM Go to last post
  3. rebuilt engine problem

    Started by jethro44, 08-08-2017 09:28 AM
    rebuilt
    • Replies: 2
    • Views: 117
    08-10-2017, 04:44 PM Go to last post
  4. Maintenance on 87 Corvette

    Started by jsm00z28ss, 04-28-2017 08:39 PM
    • Replies: 9
    • Views: 1,073
    06-17-2017, 03:42 AM Go to last post
  5. 96 Air Conditioning Vents Will Not Blow Air

    Started by TommyG, 07-07-2015 07:44 AM
    • Replies: 10
    • Views: 2,610
    06-16-2017, 12:22 AM Go to last post
  6. charging question

    Started by VetVette, 05-27-2017 08:02 AM
    • Replies: 4
    • Views: 465
    05-29-2017, 11:37 AM Go to last post
  7. Dash pad alignment clip

    Started by Danny Boy, 12-30-2016 07:14 PM
    • Replies: 2
    • Views: 713
    12-31-2016, 12:00 PM Go to last post
  8. Throttle cable stretched! Is there an easy fix?

    Started by clove5, 11-21-2016 12:45 PM
    • Replies: 0
    • Views: 637
    11-21-2016, 12:45 PM Go to last post
  9. Left head light

    Started by robert, 11-05-2016 01:35 PM
    • Replies: 5
    • Views: 702
    11-09-2016, 10:59 AM Go to last post
  10. 1990 headlight sticking

    Started by cbaltzer, 09-11-2016 04:38 PM
    • Replies: 0
    • Views: 408
    09-11-2016, 04:38 PM Go to last post
  11. leather refinish

    Started by ken mohr, 09-05-2016 03:40 AM
    • Replies: 2
    • Views: 646
    09-06-2016, 02:01 AM Go to last post
  12. 84 blower fan problems

    Started by phillipsweek13, 07-13-2016 07:08 AM
    • Replies: 2
    • Views: 1,009
    07-25-2016, 01:27 PM Go to last post
  13. 93 corvette rough idle and missing

    Started by Incahootz69, 06-30-2016 10:49 PM
    • Replies: 0
    • Views: 618
    06-30-2016, 10:49 PM Go to last post
  14. 1990 base coupe-6 speed zf6 clutch slipping

    Started by michaeldel, 06-30-2016 01:37 PM
    1990, clutch slipping, dual mass flywheel, zf6
    • Replies: 0
    • Views: 553
    06-30-2016, 01:37 PM Go to last post
    • Replies: 12
    • Views: 2,083
    05-17-2016, 03:12 PM Go to last post
  15. 1984 AC Compressor Clutch switch

    Started by 1984Union, 04-19-2016 04:54 AM
    • Replies: 0
    • Views: 538
    04-19-2016, 04:54 AM Go to last post
  16. Angry 1985 L98 engine knock Help

    Started by Banksysvette, 10-09-2015 09:30 AM
    • Replies: 3
    • Views: 1,382
    04-18-2016, 08:56 AM Go to last post
  17. jethro44

    Started by jethro44, 03-22-2016 04:03 PM
    • Replies: 1
    • Views: 562
    03-22-2016, 05:36 PM Go to last post
  18. Roller tip rockers

    Started by henkvanadrichem, 02-14-2016 04:38 AM
    • Replies: 4
    • Views: 1,288
    02-25-2016, 02:10 PM Go to last post
  19. holidays

    Started by ken mohr, 12-23-2015 03:43 AM
    • Replies: 2
    • Views: 637
    12-24-2015, 08:00 AM Go to last post

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