HT4100 4.1, 4.5, 4.9 - Page 121
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Threads 3001 to 3025 of 4007
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: 13,944
    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: 93,723
    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: 43,179
    09-20-04, 02:50 AM Go to last post
  1. 4 prong spark plugs on 4.5

    Started by ja killz‎, 03-19-05 02:03 PM
    • Replies: 5
    • Views: 702
    Kev
    03-19-05, 03:35 PM Go to last post
  2. Idle Speed Control Unit

    Started by dovv21‎, 03-18-05 09:47 AM
    • Replies: 1
    • Views: 761
    03-18-05, 05:10 PM Go to last post
  3. Does Anyone have F codes for a 93 deville

    Started by rlowe228‎, 03-17-05 08:57 PM
    • Replies: 2
    • Views: 441
    03-18-05, 02:18 PM Go to last post
  4. thermostat

    Started by sleekster‎, 03-16-05 11:40 AM
    • Replies: 2
    • Views: 554
    03-17-05, 02:57 PM Go to last post
  5. Lightbulb 4.5--->4.9? (maybe more)

    Started by jmoser‎, 03-14-05 03:24 PM
    • Replies: 9
    • Views: 885
    03-17-05, 12:11 AM Go to last post
  6. Cool Computer/wiring on 4.1L to 4.5L swap

    Started by davescaddy‎, 03-15-05 01:10 AM
    • Replies: 3
    • Views: 1,127
    03-16-05, 12:53 AM Go to last post
  7. Engine Misses when cold

    Started by ctex_j‎, 03-13-05 12:24 AM
    • Replies: 3
    • Views: 669
    03-16-05, 12:16 AM Go to last post
  8. Left or Right Bank Fuel Imbalance

    Started by 91TexasSeville‎, 03-13-05 06:22 AM
    • Replies: 4
    • Views: 1,020
    03-15-05, 07:26 AM Go to last post
  9. 1988 Deville Fast idle problems 4.5L

    Started by EllDeville‎, 03-14-05 11:50 PM
    • Replies: 1
    • Views: 824
    03-15-05, 02:59 AM Go to last post
  10. Help!!!My caddy flunked the emmissions test

    Started by vanakin‎, 03-13-05 08:30 PM
    • Replies: 9
    • Views: 805
    03-14-05, 08:48 PM Go to last post
  11. advanced timing

    Started by ja killz‎, 03-08-05 08:15 AM
    • Replies: 12
    • Views: 1,226
    03-14-05, 12:39 PM Go to last post
  12. 92 Help!!!

    Started by skeeter280‎, 03-13-05 05:30 PM
    • Replies: 5
    • Views: 494
    03-14-05, 08:30 AM Go to last post
  13. Cheap HPīs?

    Started by nitola‎, 03-14-05 02:10 AM
    • Replies: 0
    • Views: 485
    03-14-05, 02:10 AM Go to last post
    • Replies: 1
    • Views: 540
    03-13-05, 07:10 PM Go to last post
  14. Question Code E30 ( NO DASH!!! )

    Started by D'Elegance‎, 03-10-05 10:34 PM
    • Replies: 4
    • Views: 730
    03-13-05, 02:06 PM Go to last post
  15. Ht4100 Flowmaster Sound Clip!!!!!!!

    Started by caddeville‎, 03-06-05 11:55 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 2,032
    03-12-05, 04:06 PM Go to last post
  16. Question Blown Head Gasket maybe?????

    Started by Fleetwoodmatt‎, 03-07-05 12:57 AM
    • Replies: 4
    • Views: 806
    03-12-05, 12:16 PM Go to last post
  17. code19

    Started by sleekster‎, 03-11-05 03:29 PM
    • Replies: 1
    • Views: 362
    03-12-05, 04:24 AM Go to last post
  18. now what ?

    Started by sugarcady‎, 03-05-05 03:45 PM
    • Replies: 8
    • Views: 485
    03-10-05, 05:08 PM Go to last post
  19. Bad computer? Maybe

    Started by Rich Peterson‎, 02-13-05 09:11 PM
    • Replies: 7
    • Views: 699
    03-10-05, 07:22 AM Go to last post
  20. Question intake question

    Started by Mercutio‎, 03-08-05 12:17 PM
    • Replies: 1
    • Views: 397
    03-10-05, 12:12 AM Go to last post
  21. how do i use the codes

    Started by Adumb‎, 03-08-05 03:50 PM
    • Replies: 2
    • Views: 421
    03-09-05, 10:05 PM Go to last post
  22. OK the 4.9 ECU mods thread ,lets go!

    Started by Stoneage_Caddy‎, 03-09-05 01:50 PM
    • Replies: 13
    • Views: 746
    03-09-05, 09:14 PM Go to last post
  23. Need information on an engine rebuild

    Started by djhuhmann‎, 03-09-05 12:22 AM
    • Replies: 2
    • Views: 728
    03-09-05, 02:40 PM Go to last post
  24. 4.9 engine idle speed...

    Started by jaugustavo‎, 03-07-05 04:32 AM
    • Replies: 3
    • Views: 523
    03-08-05, 01:13 PM Go to last post

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