HT4100 4.1, 4.5, 4.9 - Page 159
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Threads 3951 to 3975 of 4090
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: 54,605
    09-20-04, 01:50 AM Go to last post
  1. Question '89 SD 4.5 Diag. code E59, nowhere to be found.

    Started by highonchai‎, 02-12-04 01:19 PM
    • Replies: 2
    • Views: 1,418
    02-12-04, 09:17 PM Go to last post
  2. Question Better performance out of my 4.5?

    Started by highonchai‎, 02-12-04 01:24 PM
    • Replies: 3
    • Views: 1,467
    02-12-04, 09:14 PM Go to last post
  3. $.1 motor

    Started by Jamescichocki‎, 02-11-04 08:33 PM
    • Replies: 3
    • Views: 1,017
    02-12-04, 08:12 PM Go to last post
  4. Question Cadillac code check...

    Started by SouthwestRebel‎, 02-12-04 12:36 AM
    • Replies: 2
    • Views: 1,108
    02-12-04, 12:13 PM Go to last post
  5. Unhappy to fix 1 or the other

    Started by caddyrod‎, 02-11-04 02:21 PM
    • Replies: 0
    • Views: 659
    02-11-04, 02:21 PM Go to last post
  6. Dual Output Muffler on a 91 Deville

    Started by 4.9 liters of fury‎, 01-28-04 10:32 PM
    • Replies: 11
    • Views: 1,826
    02-10-04, 11:27 PM Go to last post
  7. what are the best spark plugs?

    Started by agent22‎, 02-07-04 01:24 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,353
    02-10-04, 09:44 AM Go to last post
  8. idiot lights.....

    Started by supacaddy83‎, 02-08-04 03:22 AM
    • Replies: 3
    • Views: 884
    02-08-04, 07:01 PM Go to last post
  9. Engine Dyagnostic Codes

    Started by Mike Gill‎, 02-06-04 10:16 PM
    • Replies: 1
    • Views: 1,153
    02-08-04, 09:29 AM Go to last post
  10. idle speed adjustment

    Started by Mike Gill‎, 02-03-04 10:20 PM
    • Replies: 8
    • Views: 4,506
    02-08-04, 12:02 AM Go to last post
  11. More 4.9 issues

    Started by Stoneage_Caddy‎, 02-07-04 09:19 AM
    • Replies: 4
    • Views: 1,536
    02-07-04, 11:05 PM Go to last post
  12. i need help

    Started by stormhunters92cadi‎, 02-07-04 07:30 PM
    • Replies: 1
    • Views: 661
    100
    02-07-04, 10:22 PM Go to last post
  13. information center

    Started by MONEYTRAIN23‎, 02-05-04 05:50 PM
    • Replies: 0
    • Views: 1,235
    02-05-04, 05:50 PM Go to last post
  14. Coolant Leak Fixed- Now Running Rough After Warmup

    Started by OldCaddy‎, 01-24-04 06:46 PM
    • Replies: 8
    • Views: 2,354
    02-04-04, 12:37 AM Go to last post
  15. Question DMV high emitter profile 4100 engine

    Started by Stealth‎, 01-29-04 06:33 PM
    • Replies: 5
    • Views: 2,740
    02-01-04, 02:37 PM Go to last post
  16. Question 89 sedan deville major problem

    Started by crowenate‎, 01-11-04 03:08 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,775
    02-01-04, 02:06 PM Go to last post
  17. Oil leak 4.5 engine 91 Allante

    Started by Doug Jackson‎, 01-25-04 08:13 AM
    • Replies: 2
    • Views: 1,825
    02-01-04, 08:43 AM Go to last post
  18. My errors have returned, inexplicibly. Help.

    Started by themind‎, 01-30-04 03:49 PM
    • Replies: 1
    • Views: 750
    01-31-04, 09:33 PM Go to last post
  19. question on 91-up caddys with 4.9 engine

    Started by 90devilleguy‎, 01-29-04 02:09 AM
    • Replies: 3
    • Views: 1,126
    01-30-04, 12:02 AM Go to last post
  20. 10W40 oil is a bad weight?

    Started by gtm245‎, 01-27-04 09:47 AM
    • Replies: 6
    • Views: 6,301
    01-29-04, 04:39 PM Go to last post
  21. HELP Failed Emissions!!

    Started by chameleon‎, 01-22-04 07:13 PM
    • Replies: 7
    • Views: 1,553
    100
    01-28-04, 08:13 PM Go to last post
  22. 4.5 vs. 4.9.... Allante....questions......

    Started by Night Wolf‎, 07-23-03 09:46 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,589
    01-28-04, 03:25 PM Go to last post
    • Replies: 3
    • Views: 899
    01-27-04, 03:57 PM Go to last post
  23. Question I need Info soon

    Started by fokal728‎, 01-17-04 09:22 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,291
    01-26-04, 10:27 PM Go to last post
  24. 1990 TPS relearn procedure . . .

    Started by themind‎, 01-25-04 01:41 PM
    • Replies: 2
    • Views: 6,034
    01-26-04, 12:02 AM Go to last post

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