: HT4100 4.1, 4.5, 4.9



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  1. Help I dont want to get rid of my car BUT!
  2. Has anyone changed their catalytic converter?
  3. 4.9 Liter idle
  4. Removing hydraulic fittings
  5. How many miles on the 4.9? ?
  6. 88 Sedan Deville not liking the winter
  7. Coolant hose to blower motor
  8. Timing Question
  9. '84 Eldorado blown head gasket?
  10. Oil pan heater?
  11. 4.9 Deville 95 whining noise like supercharger..
  12. Location of the CAM Position Sensor on the 95 4.9L deville?
  13. YES, i did it!!! All went well!
  14. 92 Eldo 4.9 for sale
  15. 4.5 water pump
  16. 93 4.9 STS wont start
  17. DESPERATELY Need Help!!! 85 CDV
  18. Trying to find good price on Allante gear reduction to use on my 4.9
  19. How to clean out EGR valves and throttle body?
  20. time for engine replacement soon-- help!
  21. Heater
  22. Hard starting
  23. 4.5 differences
  24. E98 rectification
  25. 87 fleetwood new ignition problem
  26. 1985 deville 4.1 Injector fuse keeps blowing
  27. PCM override, PS10
  28. EGR solenoid, is it normal?
  29. Get a LARGER capacity, 3 row radiator?
  30. Smoky when at full throttle!
  31. What does the code F.8.5 mean?
  32. 87 fleetwood 4.1 three problems,advice please!
  33. Removed Distributor--Question Before I Restart
  34. Changed the oil pump, lifter still taps on occasion warmed up..
  35. 87 deville, E48, EGR system problem
  36. Additive for newly remaned 86 DeVille Trans??
  37. Is it possible for a 4.9 main bearing thump to get progressively worse?
  38. 1989 Sedandeville issues
  39. 15W-40 Oil .....
  40. Fuel
  41. 82 eldorado alternator bracket
  42. 85 Deville ISC Problem--Might Have the Answer
  43. Help me Please!!!
  44. Weird idea
  45. Engine miss
  46. Pulled a thread
  47. E12 - No Distributor Signal???
  48. computer interchange, '90 Seville?
  49. Where Can I get some chips......
  50. Oil leak source...?
  51. well, i did it but...
  52. HT4100 ECM/BCM Problem?!
  53. #$$%^%@#$% damn .....floods on hot restart
  54. can't flush out "rubber glue type" coolant additive... what to do?
  55. Transmission Shift cable
  56. HT4100 ISC Help
  57. 4t60-E going out
  58. Fuel Issues - Please Help!
  59. 4t60-E FDR and the computer
  60. Fixed my car! Need help on one more thing...
  61. What's wrong with my car? The mystery continues...
  62. When i go to replace the mains....
  63. 4t60-E Shudder?
  64. last year
  65. All 4.x engine service parts are discontinued?
  66. Does anybody have a spare 4.9?
  67. Knock, Knock, Knock, 4.9L
  68. Alright, i'm going in!! I need a few parts and info please.
  69. 90 4.5L Idle Learn Procedure?
  70. I have a slight problem,,, HT4100
  71. Fuel Pressure Test Fitting
  72. 1985 Seville code e15
  73. Cooling Fan Module--Where can I get one?
  74. Bars Leaks Head Gasket Repair
  75. Code E30 on 85 Deville and Vacuum Pumps
  76. Copper Gaskets?
  77. Battery/ALternator area cracking noise?
  78. Oil Analysis: Proof is in the results
  79. 1992 Eldo
  80. That Funky Emissions Tubing
  81. Hey Guys long time no chat, and long time not wanting to start either.
  82. The once a year survival kit for the 4.X series
  83. 4.9 runs rough black exhaust from tail pipe
  84. 1985 Seville harsh shifting tranny
  85. Odd brief buzzing noise from undercarriage
  86. i need a 4t60e guru; i am hating mine
  87. what is up with my car
  88. Early vs. Late 1985 FWD 4100
  89. Strange ISC
  90. 1994 cadillac deville engine knocks when warm
  91. 4.5 --> 4.9
  92. Getting ready for water pump removal
  93. 1988 Eldorado 4.5
  94. 1985 FWD HT4100 Running rough
  95. Question about spark plugs!
  96. TPS problem?
  97. 4100 Mpg
  98. 87 deville 4100 shift problems
  99. 1991 DeVille Speedometer/Transmission Trouble.
  100. Starter solenoid replacement
  101. 4.9 Injector Replacement Questions
  102. 92 STS error code A048 what does that mean?
  103. 1994 Deville 4.9 Idler pulleys
  104. Please Help!!! Rough running 4.9 , Help!!
  105. 1994 Deville 4.9 spark knock
  106. 85 Sedan Deville Stalls after 20 Miles
  107. 4.9 Potential? (Split from "4.9 to a 5.0?")
  108. 94 Deville 4.9 switching complete sending/fuel pumps
  109. 4.9 to a 5.0?
  110. Fan Runs all the time on 4.9, engine runs real cold
  111. AHHH HELP!!! Keep overheating
  112. 4.5 Vs. 4.9
  113. Fuel Mileage vs. Data Center
  114. 92 4.9 flat cam?
  115. Does twitchy tach mean misfire?
  116. ht 4100 Hesitation
  117. 1987 SDV 4.1 L V-8 Available
  118. 89 4.5 TPS installations
  119. 89 Fleetword code (30) ISC Circuit
  120. Boiling coolant, fans not running, ...
  121. no start after warm engine
  122. 1989 4.5 Idle Speed Motor
  123. 1989 Fleetwood Idle Speed Motor
  124. Valve Adjustment 4.9 Engine
  125. remaned 4.1/4.5 short block
  126. 4100 to LT1 swap 83 Coupe Deville
  127. Cylinder head removal
  128. Very poor MPG 1992 Deville ?? HELP!!??!!
  129. turn your 4.9 into a performance engine
  130. engine system fault E046
  131. Take a look at this.
  132. 4.9 exhaust manifold crack, common?
  133. 4.9 changes by year??
  134. 1994 Sedan deville 4.9L Stalls Well Driving Part 2
  135. what did i blow up? pics
  136. Just done the head gasket, think i may have messed it, help.
  137. 4.5 intake manifold on 87 4.1?
  138. 85 eldo ht4100 backfire, miss, stall
  139. Reman. Engine/Trans. What's the best company?
  140. 88 DeVille fan continues to run after I turn it off
  141. New Shell Rotella T with triple protection
  142. error codes
  143. '85 Seville 4.1L engine missing after tune-up.
  144. Help me! What is it?
  145. 93 DeVille Idle Problem
  146. 4.9 coolant flush and fill procedure!
  147. What do I need to know about the HT4100 Engine?
  148. Results of my Emissions Test
  149. Need help 91 Deville
  150. What should engine timing be when not in Timing Mode (25 degree BTDC?)
  151. Question having to do with the 4.9
  152. Simple rotor/distib cap question
  153. HT4100 85 Eldo. Header Issue
  154. Fuel Injector Replacement Tips
  155. clickinggg....
  156. No spark on '90 4.5 Seville
  157. computer accuracy
  158. Do I have to use a new A/C comp. or can I use a reman?
  159. 4.5 intake gasket replacement
  160. Life expectancy for 4.9 and 4T60E
  161. plug stuck in head
  162. Aluminum Heads?
  163. 2002 DeVille DTS maintenance
  164. ignition problems..
  165. Not a new problem
  166. I have a question, someone please explain.
  167. 91 Sedan Deville Gas Mileage ...
  168. 1990 deville hesitates
  169. Great, now I have MORE trouble codes!! E91 and E98
  170. 1994 Sedan deville 4.9L Stalls/dies well driving
  171. PCM Programming for 4.5L V8?
  172. Trouble Code E48 "EGR System Problem"....what exactly is it.
  173. 223-232f
  174. Trying to beat the heat....
  175. STP Fuel Injector Cleaner--it works!
  176. A starting we will go...
  177. 1990 deville 4.5 trouble code air management fault?
  178. 88 deville broke down need help
  179. ? easy way to remove 4.9 @ self serv yard?
  180. Sound like the egr to you guys?
  181. Trouble clearing codes
  182. 4.9 Bearing Thump--Who's Got It?
  183. When to replace O2 sensor?
  184. '92 deVille..surging, stuttering, stalling???
  185. 91 deville fuel injectors......
  186. motor rattle
  187. My car's 'puter done gone got brokeded (92 Eldo 4.9)
  188. 92 deville egr tubes ??
  189. 92' Deville Alternator/power Problem
  190. Changing TPS on 1993 Eldo 4.9
  191. O2S Help Please!
  192. Dead Cylinder - OH NOOOOOO!!!!
  193. A/C Hose Insulation Source
  194. Want your ISC problems solved? Look here...
  195. hmm, how do I get to that A/C compressor clutch?
  196. STOP ENGINE TEMP light problem.
  197. Brake light problem.
  198. Charge Battery Light On (No Codes) !!
  199. A Little help guys, please
  200. Green plug?
  201. How to check timing on an '85 Seville?
  202. No fuel pressure when ignition on, engine off
  203. 90 deville backfiring and running rough?
  204. 4.9 Eldorado Plugs/Wires install question
  205. Accel Wires
  206. Simple question
  207. 87 SDV E30 code
  208. 90 deville misfire
  209. Electrical problem + codes
  210. bad coolant leak: deville 4.5
  211. 1990 fleetwood won't run right - help
  212. 91 Deville 4.9 misses when hot outside
  213. 92 Deville throwing MAP codes, heats up and conks out.
  214. Cooling fans/AC problem
  215. Mufflers Bottom Line?
  216. 1993 Seville w/ 4.9L P041 Code
  217. HT4900 (4.9) Exhaust Manifold Interchangeability
  218. 94 Deville, odd noise and stalling now. Pics attached.
  219. Coolant Leak
  220. bad coolant leak: deville 4.5
  221. hesitation and backfire 4100
  222. 90 Coupe Deville engine problems
  223. 1990 deville hard stall on idle
  224. Cone Filter & Cold Air Intake
  225. Rough runing, missing?
  226. isc/driveability
  227. spudder of some sort
  228. 91 4.9 Runs Rich and Gas Mileage Question
  229. Hey Guys, Long time no chat, and need some input on a non input vss signal. Blew.....
  230. OLDS 350 swap
  231. 1984 eldo some new problems
  232. 4.9 EGR Removal???
  233. Recommended Spark Plugs
  234. 4.9 Running Rough...
  235. problem solved
  236. Changing Oil To Synthetic?
  237. 4.9 performance
  238. 4100 transmission
  239. Coolant System
  240. ECM says my MAT sensor is bad.
  241. Adjusting the timing
  242. PCM codes
  243. Deisel noise around 2000 rpm's
  244. Still having problems on 93 sedandeville
  245. Now im getting worried!
  246. 4100 Flowmaster 80 series VIDEOS
  247. First Car, 4.9 Eldorado. Performance Upgrades HELP? (car-noob)
  248. Cold Air Intake?
  249. 4.1 codes
  250. Helicoil vs Timesert on non N* (4.1, 4.5, 4.9)