HT4100 4.1, 4.5, 4.9 - Page 21
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HT4100 4.1, 4.5, 4.9 in Cadillac forums : Cadillac Owners Forum, This forum is to discuss the newer aluminum block Cadillac engines.
  1. Sticky Thread Sticky: Safety Safety Safety !

    Started by Stoneage_Caddy‎, 06-11-04 06:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,797
    12-15-13, 10:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 12:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 99,250
    02-24-11, 01:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 01:50 AM
    • Replies: 0
    • Views: 46,408
    09-20-04, 01:50 AM Go to last post
  1. '84 4.1 idles up and down when the A/C is on

    Started by Bobby Eyes‎, 06-21-10 08:53 PM
    • Replies: 7
    • Views: 679
    07-04-10, 09:44 PM Go to last post
  2. Tired of &^%$ injectors!

    Started by the recluse‎, 04-05-10 10:50 PM
    • Replies: 14
    • Views: 789
    07-04-10, 07:20 PM Go to last post
  3. Question HT4100 Exhaust Manifold Gaskets

    Started by bentleyboy‎, 07-01-10 01:19 PM
    • Replies: 6
    • Views: 1,117
    07-04-10, 07:05 PM Go to last post
  4. Ht4100 question

    Started by SCU187‎, 07-02-10 03:51 PM
    • Replies: 4
    • Views: 851
    07-03-10, 01:35 PM Go to last post
  5. 93 deville running great

    Started by mike93‎, 06-25-10 12:43 PM
    • Replies: 7
    • Views: 690
    07-03-10, 09:50 AM Go to last post
  6. 4.9L missing

    Started by primerib‎, 07-02-10 09:36 PM
    • Replies: 5
    • Views: 1,413
    07-03-10, 03:02 AM Go to last post
  7. Transmission is shot

    Started by cadigirl1962‎, 07-01-10 12:42 AM
    • Replies: 4
    • Views: 516
    07-01-10, 11:54 PM Go to last post
  8. Loss of electrical; intermittent problem

    Started by Eldorado guy‎, 04-08-10 10:20 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,525
    07-01-10, 04:43 PM Go to last post
  9. Clunkin Sound

    Started by hcaddy95‎, 06-08-10 09:57 PM
    • Replies: 14
    • Views: 970
    HUF
    06-30-10, 09:38 PM Go to last post
  10. ECM injector driver damage?

    Started by drewsdeville‎, 04-01-10 10:50 PM
    • Replies: 12
    • Views: 5,819
    06-30-10, 12:31 AM Go to last post
  11. HT4100 upkeep and maintenence

    Started by Bobby Eyes‎, 06-19-10 10:48 AM
    • Replies: 7
    • Views: 1,578
    06-28-10, 01:29 PM Go to last post
  12. looking for a good 4100 mechanic

    Started by Bob Tarpenning‎, 06-23-10 08:48 AM
    • Replies: 5
    • Views: 690
    06-28-10, 08:49 AM Go to last post
  13. Changing Final Drive ratio/ ECM tuning

    Started by Rodya234‎, 06-23-10 06:33 PM
    • Replies: 1
    • Views: 1,097
    06-24-10, 10:26 AM Go to last post
  14. 92 seville 4.9L engine problem

    Started by Tammy‎, 11-14-08 02:12 PM
    • Replies: 8
    • Views: 5,123
    06-22-10, 02:41 AM Go to last post
  15. Wont start please help

    Started by ggreeenjr‎, 04-10-10 03:51 PM
    • Replies: 4
    • Views: 705
    06-20-10, 07:07 AM Go to last post
  16. The DIY Injector Test Bench

    Started by Sevillian273‎, 04-10-10 07:45 PM
    • Replies: 11
    • Views: 11,218
    06-20-10, 06:58 AM Go to last post
  17. P.A.S.S. security system

    Started by jac eldo‎, 06-14-10 06:42 PM
    • Replies: 4
    • Views: 675
    06-20-10, 06:28 AM Go to last post
  18. Interchangeability HT4100

    Started by ShadeTreeJack‎, 06-05-10 08:10 PM
    • Replies: 1
    • Views: 600
    06-09-10, 10:40 PM Go to last post
  19. '84 Eldorado 4100 vacuum readings

    Started by Bob Tarpenning‎, 06-07-10 12:07 PM
    • Replies: 4
    • Views: 1,003
    06-09-10, 10:35 PM Go to last post
  20. What is effected by an E0112?

    Started by the recluse‎, 06-09-10 06:43 PM
    • Replies: 0
    • Views: 314
    06-09-10, 06:43 PM Go to last post
  21. Just wanted to thank you guys

    Started by jimmydeville‎, 06-03-10 06:07 PM
    • Replies: 0
    • Views: 369
    06-03-10, 06:07 PM Go to last post
  22. '92 Fleetwood DeVille random stalling

    Started by zigroid‎, 06-02-10 10:31 AM
    • Replies: 3
    • Views: 898
    06-02-10, 08:46 PM Go to last post
  23. New Life in my 94 caddy

    Started by Tee Three‎, 05-30-10 07:13 AM
    • Replies: 4
    • Views: 604
    05-31-10, 08:38 PM Go to last post
    • Replies: 2
    • Views: 9,271
    05-29-10, 06:40 PM Go to last post
  24. Fuel pump running, car not....

    Started by the recluse‎, 05-21-10 06:56 PM
    • Replies: 5
    • Views: 653
    05-27-10, 07:57 PM Go to last post

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