HT4100 4.1, 4.5, 4.9 - Page 121
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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: OBD I codes for 4.x Engines

    Started by DaveSmed, 09-20-04 01:50 AM
    • Replies: 0
    • Views: 58,198
    09-20-04, 01:50 AM Go to last post
  1. Knocking in the 4.9

    Started by strabo40, 04-30-05 10:51 PM
    • Replies: 5
    • Views: 633
    05-01-05, 03:26 PM Go to last post
  2. Oxygen Sensor Broke?

    Started by georgekelp, 04-27-05 10:58 PM
    • Replies: 1
    • Views: 569
    05-01-05, 02:17 PM Go to last post
  3. Car has no spark

    Started by mattd, 04-30-05 12:16 PM
    • Replies: 7
    • Views: 970
    05-01-05, 06:41 AM Go to last post
  4. 94 deville questions

    Started by 94devilleDM5, 04-30-05 08:18 PM
    • Replies: 5
    • Views: 530
    05-01-05, 12:51 AM Go to last post
    • Replies: 0
    • Views: 1,747
    04-30-05, 01:56 PM Go to last post
  5. Which models come with the 4.9 V8?

    Started by bharner, 04-25-05 02:03 PM
    • Replies: 14
    • Views: 1,121
    04-29-05, 12:40 PM Go to last post
  6. idle rpm

    Started by jaugustavo, 04-29-05 03:49 AM
    • Replies: 1
    • Views: 498
    04-29-05, 07:47 AM Go to last post
    • Replies: 7
    • Views: 814
    04-28-05, 08:49 AM Go to last post
  7. HT 4100 Replacement Source?

    Started by FRANKO, 04-27-05 01:00 AM
    • Replies: 6
    • Views: 4,517
    04-27-05, 11:03 PM Go to last post
  8. Exclamation plug wires??

    Started by ander12, 04-27-05 06:21 PM
    • Replies: 2
    • Views: 447
    04-27-05, 08:51 PM Go to last post
  9. Question catalytic converter

    Started by inmycadillac, 04-03-04 02:24 PM
    • Replies: 11
    • Views: 1,323
    04-27-05, 12:47 AM Go to last post
  10. Question What water??

    Started by ander12, 04-26-05 11:31 AM
    • Replies: 3
    • Views: 577
    04-26-05, 11:27 PM Go to last post
  11. 4.9 codes

    Started by spots, 04-24-05 08:54 PM
    • Replies: 4
    • Views: 942
    04-26-05, 10:25 PM Go to last post
  12. problem while coasting

    Started by springmaker, 04-26-05 08:28 PM
    • Replies: 1
    • Views: 443
    04-26-05, 09:40 PM Go to last post
  13. throwing my belt off

    Started by quickdraw, 04-26-05 10:44 AM
    • Replies: 5
    • Views: 488
    04-26-05, 02:52 PM Go to last post
  14. Rough Idle, 87 4.1 Eldorado

    Started by PeteC, 04-26-05 01:28 PM
    • Replies: 0
    • Views: 423
    04-26-05, 01:28 PM Go to last post
  15. Finally. . .Solved Intake Backfire

    Started by leftoverture, 04-23-05 09:08 AM
    • Replies: 3
    • Views: 758
    04-25-05, 07:59 PM Go to last post
  16. 90 Deville code help

    Started by tulsadeville, 04-17-05 08:38 PM
    • Replies: 6
    • Views: 770
    04-25-05, 02:41 PM Go to last post
  17. Rough running 92 Eldo

    Started by theramman, 04-25-05 12:44 PM
    • Replies: 0
    • Views: 403
    04-25-05, 12:44 PM Go to last post
  18. Cool Ht4100 Backfires Out Of Fuel Injection

    Started by DAYTON30, 04-18-05 09:21 PM
    • Replies: 7
    • Views: 1,566
    04-25-05, 01:29 AM Go to last post
    • Replies: 4
    • Views: 2,455
    04-23-05, 10:32 AM Go to last post
    • Replies: 2
    • Views: 615
    04-22-05, 07:08 PM Go to last post
  19. what kinda maintenance should i do

    Started by 83coupedeville, 04-19-05 11:19 PM
    • Replies: 3
    • Views: 516
    04-22-05, 06:32 AM Go to last post
  20. Thumbs up Bbob...Whats the difference!?!

    Started by rlowe228, 04-19-05 05:55 PM
    • Replies: 9
    • Views: 840
    04-20-05, 11:07 PM Go to last post
  21. Grounds Anyone?

    Started by youbetcha77, 04-19-05 12:47 AM
    • Replies: 8
    • Views: 668
    04-20-05, 02:32 PM Go to last post

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