HT4100 4.1, 4.5, 4.9 - Page 20
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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 07:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,057
    12-15-13, 11:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 01:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 94,510
    02-24-11, 02:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 02:50 AM
    • Replies: 0
    • Views: 43,593
    09-20-04, 02:50 AM Go to last post
  1. O2 sensors : 1 righ and 1 lean

    Started by primerib‎, 06-05-10 02:53 PM
    • Replies: 10
    • Views: 619
    07-13-10, 02:57 PM Go to last post
    • Replies: 8
    • Views: 898
    07-07-10, 10:49 AM Go to last post
  2. So how old is too old for injectors?

    Started by sprocket‎, 07-05-10 12:05 PM
    • Replies: 4
    • Views: 797
    07-06-10, 01:33 AM Go to last post
  3. '84 4.1 idles up and down when the A/C is on

    Started by Bobby Eyes‎, 06-21-10 09:53 PM
    • Replies: 7
    • Views: 652
    07-04-10, 10:44 PM Go to last post
  4. Tired of &^%$ injectors!

    Started by the recluse‎, 04-05-10 11:50 PM
    • Replies: 14
    • Views: 724
    07-04-10, 08:20 PM Go to last post
  5. Question HT4100 Exhaust Manifold Gaskets

    Started by bentleyboy‎, 07-01-10 02:19 PM
    • Replies: 6
    • Views: 1,062
    07-04-10, 08:05 PM Go to last post
  6. Ht4100 question

    Started by SCU187‎, 07-02-10 04:51 PM
    • Replies: 4
    • Views: 817
    07-03-10, 02:35 PM Go to last post
  7. 93 deville running great

    Started by mike93‎, 06-25-10 01:43 PM
    • Replies: 7
    • Views: 674
    07-03-10, 10:50 AM Go to last post
  8. 4.9L missing

    Started by primerib‎, 07-02-10 10:36 PM
    • Replies: 5
    • Views: 1,361
    07-03-10, 04:02 AM Go to last post
  9. Transmission is shot

    Started by cadigirl1962‎, 07-01-10 01:42 AM
    • Replies: 4
    • Views: 497
    07-02-10, 12:54 AM Go to last post
  10. Loss of electrical; intermittent problem

    Started by Eldorado guy‎, 04-08-10 11:20 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,422
    07-01-10, 05:43 PM Go to last post
  11. Clunkin Sound

    Started by hcaddy95‎, 06-08-10 10:57 PM
    • Replies: 14
    • Views: 905
    HUF
    06-30-10, 10:38 PM Go to last post
  12. ECM injector driver damage?

    Started by drewsdeville‎, 04-01-10 11:50 PM
    • Replies: 12
    • Views: 5,474
    06-30-10, 01:31 AM Go to last post
  13. HT4100 upkeep and maintenence

    Started by Bobby Eyes‎, 06-19-10 11:48 AM
    • Replies: 7
    • Views: 1,506
    06-28-10, 02:29 PM Go to last post
  14. looking for a good 4100 mechanic

    Started by Bob Tarpenning‎, 06-23-10 09:48 AM
    • Replies: 5
    • Views: 661
    06-28-10, 09:49 AM Go to last post
  15. Changing Final Drive ratio/ ECM tuning

    Started by Rodya234‎, 06-23-10 07:33 PM
    • Replies: 1
    • Views: 1,066
    06-24-10, 11:26 AM Go to last post
  16. 92 seville 4.9L engine problem

    Started by Tammy‎, 11-14-08 03:12 PM
    • Replies: 8
    • Views: 5,005
    06-22-10, 03:41 AM Go to last post
  17. Wont start please help

    Started by ggreeenjr‎, 04-10-10 04:51 PM
    • Replies: 4
    • Views: 687
    06-20-10, 08:07 AM Go to last post
  18. The DIY Injector Test Bench

    Started by Sevillian273‎, 04-10-10 08:45 PM
    • Replies: 11
    • Views: 10,443
    06-20-10, 07:58 AM Go to last post
  19. P.A.S.S. security system

    Started by jac eldo‎, 06-14-10 07:42 PM
    • Replies: 4
    • Views: 636
    06-20-10, 07:28 AM Go to last post
  20. Interchangeability HT4100

    Started by ShadeTreeJack‎, 06-05-10 09:10 PM
    • Replies: 1
    • Views: 576
    06-09-10, 11:40 PM Go to last post
  21. '84 Eldorado 4100 vacuum readings

    Started by Bob Tarpenning‎, 06-07-10 01:07 PM
    • Replies: 4
    • Views: 956
    06-09-10, 11:35 PM Go to last post
  22. What is effected by an E0112?

    Started by the recluse‎, 06-09-10 07:43 PM
    • Replies: 0
    • Views: 297
    06-09-10, 07:43 PM Go to last post
  23. Just wanted to thank you guys

    Started by jimmydeville‎, 06-03-10 07:07 PM
    • Replies: 0
    • Views: 348
    06-03-10, 07:07 PM Go to last post
  24. '92 Fleetwood DeVille random stalling

    Started by zigroid‎, 06-02-10 11:31 AM
    • Replies: 3
    • Views: 879
    06-02-10, 09:46 PM Go to last post

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