HT4100 4.1, 4.5, 4.9 - Page 13
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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: 47,386
    09-20-04, 01:50 AM Go to last post
  1. 4.9 litre tune up 94 deville

    Started by cad-der-ack‎, 02-02-12 04:08 PM
    • Replies: 4
    • Views: 1,808
    02-09-12, 11:28 AM Go to last post
  2. HT4100 SYSTEM PROBLEM E047 and B334

    Started by globetrotter8888‎, 07-18-07 03:36 AM
    • Replies: 10
    • Views: 1,284
    02-01-12, 05:03 PM Go to last post
  3. Starting issue -- 91 Eldorado

    Started by EldoRedo‎, 01-27-12 06:33 PM
    • Replies: 4
    • Views: 681
    01-30-12, 01:25 PM Go to last post
  4. 86 seville 4.1 low engine power-issue

    Started by ht4100‎, 07-19-11 09:06 PM
    • Replies: 6
    • Views: 1,178
    01-26-12, 09:04 PM Go to last post
  5. P085 ....... Idle Throttle Angle Too High

    Started by johnp‎, 05-21-05 01:11 PM
    • Replies: 6
    • Views: 5,204
    01-26-12, 03:01 PM Go to last post
  6. 1990 deville 4.5 trouble code air management fault?

    Started by dallasj‎, 08-02-06 08:11 PM
    • Replies: 2
    • Views: 3,243
    01-21-12, 05:13 AM Go to last post
  7. 4.9 Info Needed

    Started by General_Motors_Fan‎, 01-18-12 04:17 PM
    • Replies: 4
    • Views: 680
    01-19-12, 05:14 PM Go to last post
  8. Question Oh Sh*%! I lost my head.

    Started by 83CADMAN‎, 01-13-12 02:38 PM
    • Replies: 11
    • Views: 785
    01-17-12, 03:59 PM Go to last post
  9. Remove oil pump on cadillac eldorado 1985 ?

    Started by KINGUYOM‎, 01-10-12 02:16 PM
    • Replies: 0
    • Views: 701
    01-10-12, 02:16 PM Go to last post
  10. 4.9 pulled head bolt threads

    Started by sparkys88gt‎, 01-06-12 08:13 AM
    • Replies: 1
    • Views: 711
    01-07-12, 06:54 PM Go to last post
    • Replies: 1
    • Views: 965
    01-06-12, 11:48 PM Go to last post
  11. 95 sedan shuts down while driving

    Started by Lamar95sedan‎, 12-29-11 09:45 AM
    • Replies: 4
    • Views: 634
    01-02-12, 03:26 PM Go to last post
  12. Driving along and suddenly, DEAD!

    Started by 83CADMAN‎, 12-28-11 01:13 PM
    • Replies: 14
    • Views: 622
    12-31-11, 07:57 PM Go to last post
    • Replies: 7
    • Views: 585
    12-28-11, 04:30 PM Go to last post
  13. Starter Gear Clearance

    Started by Sevillian273‎, 12-27-11 12:22 PM
    • Replies: 2
    • Views: 592
    12-27-11, 03:12 PM Go to last post
  14. hesitation and backfire 4100

    Started by grantjr‎, 07-07-06 06:08 PM
    • Replies: 12
    • Views: 2,094
    12-20-11, 02:22 AM Go to last post
  15. Idle Problems After Mechanic

    Started by Enigmaticwraith‎, 12-14-11 01:41 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,590
    12-18-11, 07:51 PM Go to last post
  16. Exclamation Lurching '91 Deville

    Started by paviliux‎, 12-04-11 11:42 AM
    • Replies: 0
    • Views: 529
    12-04-11, 11:42 AM Go to last post
    • Replies: 2
    • Views: 693
    11-28-11, 10:16 AM Go to last post
  17. 4.5L Deville runnability issues/ emissions problems

    Started by nfakbc‎, 09-07-10 10:45 PM
    • Replies: 11
    • Views: 5,369
    11-25-11, 01:27 AM Go to last post
  18. Calling all 4.5 PFI and 4.9 PFI Owners

    Started by awadecki‎, 04-23-07 01:41 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 5,748
    11-22-11, 01:44 AM Go to last post
  19. Angry replacing water pump on my old '84 DeVille 4.1 engine

    Started by gsim‎, 11-08-11 04:45 PM
    • Replies: 1
    • Views: 1,944
    11-11-11, 10:09 AM Go to last post
  20. Code E49 Air Injection System Fault

    Started by Cristofo‎, 04-06-11 09:40 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 7,024
    11-09-11, 08:08 AM Go to last post
  21. What are the symptoms of CVJ’s failing?

    Started by 83CADMAN‎, 10-26-11 08:43 PM
    • Replies: 13
    • Views: 975
    11-08-11, 03:22 AM Go to last post
  22. Car not starting

    Started by cadillaceldo93‎, 09-30-11 11:42 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,801
    10-14-11, 10:58 AM Go to last post

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