HT4100 4.1, 4.5, 4.9 - Page 158
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Threads 3926 to 3950 of 4050
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: 49,014
    09-20-04, 01:50 AM Go to last post
  1. Oil leak 4.5 engine 91 Allante

    Started by Doug Jackson‎, 01-25-04 08:13 AM
    • Replies: 2
    • Views: 1,719
    02-01-04, 08:43 AM Go to last post
  2. My errors have returned, inexplicibly. Help.

    Started by themind‎, 01-30-04 03:49 PM
    • Replies: 1
    • Views: 717
    01-31-04, 09:33 PM Go to last post
  3. question on 91-up caddys with 4.9 engine

    Started by 90devilleguy‎, 01-29-04 02:09 AM
    • Replies: 3
    • Views: 1,096
    01-30-04, 12:02 AM Go to last post
  4. 10W40 oil is a bad weight?

    Started by gtm245‎, 01-27-04 09:47 AM
    • Replies: 6
    • Views: 5,835
    01-29-04, 04:39 PM Go to last post
  5. HELP Failed Emissions!!

    Started by chameleon‎, 01-22-04 07:13 PM
    • Replies: 7
    • Views: 1,474
    100
    01-28-04, 08:13 PM Go to last post
  6. 4.5 vs. 4.9.... Allante....questions......

    Started by Night Wolf‎, 07-23-03 09:46 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,242
    01-28-04, 03:25 PM Go to last post
    • Replies: 3
    • Views: 824
    01-27-04, 03:57 PM Go to last post
  7. Question I need Info soon

    Started by fokal728‎, 01-17-04 09:22 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,199
    01-26-04, 10:27 PM Go to last post
  8. 1990 TPS relearn procedure . . .

    Started by themind‎, 01-25-04 01:41 PM
    • Replies: 2
    • Views: 5,480
    01-26-04, 12:02 AM Go to last post
  9. engine backfires out of throtle body

    Started by kpobrien‎, 01-25-04 01:30 PM
    • Replies: 2
    • Views: 1,201
    01-25-04, 11:23 PM Go to last post
  10. My 90's got sensor issues (and a glowing Cat Conv)

    Started by themind‎, 01-12-04 01:11 AM
    • Replies: 5
    • Views: 1,236
    01-25-04, 01:26 PM Go to last post
  11. Porting your intake....

    Started by DeVillish‎, 01-16-04 03:24 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,485
    01-23-04, 07:01 PM Go to last post
  12. 4.1 Autobox advice needed

    Started by 64cadillacman‎, 01-15-04 07:52 PM
    • Replies: 2
    • Views: 915
    01-21-04, 05:51 PM Go to last post
  13. dealer shocks with 4.9 "information"

    Started by AlJ‎, 01-14-04 03:37 PM
    • Replies: 5
    • Views: 1,509
    01-16-04, 11:41 PM Go to last post
  14. Question 91 seville codes

    Started by Seviller‎, 01-16-04 03:51 AM
    • Replies: 1
    • Views: 916
    01-16-04, 09:54 AM Go to last post
  15. What engine and box can replace 4.1?

    Started by 64cadillacman‎, 01-15-04 08:28 PM
    • Replies: 1
    • Views: 1,077
    01-15-04, 11:07 PM Go to last post
  16. Clearing codes on a '90 Fleetwood FWD

    Started by themind‎, 01-14-04 07:56 AM
    • Replies: 3
    • Views: 766
    01-15-04, 10:22 AM Go to last post
  17. Stalling 93 Seviile

    Started by mayerst‎, 01-13-04 08:55 AM
    • Replies: 3
    • Views: 890
    01-14-04, 07:42 AM Go to last post
  18. Question 4.5 is just a bigger 4.1? PLUS - BarsLeak or not?

    Started by gtm245‎, 01-10-04 09:49 PM
    • Replies: 11
    • Views: 1,698
    01-13-04, 12:43 PM Go to last post
  19. Angry HELP!! Before I kill my car!

    Started by Rdluberda‎, 11-18-03 07:56 PM
    • Replies: 7
    • Views: 1,397
    01-13-04, 11:19 AM Go to last post
  20. Hard to start below 0 F

    Started by 100‎, 01-08-04 12:14 AM
    • Replies: 14
    • Views: 1,196
    01-11-04, 02:22 AM Go to last post
    • Replies: 3
    • Views: 1,191
    01-08-04, 09:17 PM Go to last post
  21. Computer Codes and Stereo Questions

    Started by TimsToy‎, 01-02-04 02:34 PM
    • Replies: 10
    • Views: 2,138
    01-08-04, 08:15 AM Go to last post
  22. 1992 Seville High Idle??

    Started by GABDAM‎, 01-03-04 08:41 PM
    • Replies: 2
    • Views: 3,825
    01-06-04, 05:27 PM Go to last post
  23. HT4100 strange coolant problem

    Started by OldCaddy‎, 12-09-03 08:29 PM
    • Replies: 7
    • Views: 2,817
    01-05-04, 01:52 AM Go to last post

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