: HT4100 4.1, 4.5, 4.9



Pages : 1 2 3 4 5 [6] 7 8 9 10 11 12 13 14 15 16

  1. HT4100 chosen as one of the worst engines of all time
  2. Valves too far in advance or too far retarded?
  3. 1992 Cadillac STS 4.9L Issues
  4. Decking out my 4.9
  5. '93 Eldorado 4.9L - P012 & P053 Codes
  6. Urgent Help W/engine
  7. Code e048 what's the trigger?
  8. which O2 sensor for 85 DeVille/HT4100
  9. 4.9 Code 41 Saga Continues!!!
  10. 83 fleetwood 4100
  11. Huge Problem HELP !!!
  12. Cam sensor 4.9
  13. 4100 Newbie needs help!
  14. HT4100 "STOP ENGINE-OIL PRESS" light flickering
  15. Interesting 4.9 symptom, need ideas
  16. Help wth tps (Throttle Position Sensor) problem/ Or just removing Throttle Body
  17. Injector Trouble 4.9
  18. Crank pulley wont spin...
  19. She runs!
  20. 84 Seville - low speed hesitation
  21. How long will it last?
  22. 4.5 to 4.9
  23. 85 Seville 4.1 Knocking?
  24. poor gas milage
  25. Outside temp sensor location---4.9 litre.
  26. My Car is Fixed!!! New Camshaft and Lifters
  27. Water pumps...Generally speaking.
  28. NOISEY cold start ups with the pulleys, only to quiet down when warm.
  29. 93 deville 4.9 noisey cold pulleys, quiet when warm. whats going out?
  30. My speedometer is WAY off, and has problems in park
  31. 91 deville Starter enable relay
  32. gas issue
  33. '88 DeVille EXTREME ISC problems
  34. 92 STS - Stalls anywhere but the highway.
  35. 93 Eldawg Stalls while driving but drives great
  36. EGR System Question
  37. 1987 Cadillac Deville No Fuel Preasure Im lost
  38. ECM questions
  39. Bosch 19# Injectors
  40. I Lost First Gear, Car barely moves with throttle!
  41. 83 Deville Performance?
  42. would an oil stabilizer help with burning
  43. OBD1 Codes
  44. HT4100 Brand New
  45. Help! 1983 Seville with HT-4100 FWD, need ideas for a swap-out?
  46. 85 Fleetwood FWD Won't Start! Help!
  47. Any good 4.x mechanics in the Detroit area?
  48. Water Pump Removal
  49. 1985 4.1L Distibutor Drive Gear for oil pump
  50. 6.0L? say what?
  51. '91 4.9 swap into a rear drive application?
  52. 1985 Fleetwood FWD 4.1L hesitation/rough idle/won't start
  53. Possible Transmission Problem when shifting from park
  54. Water Pump - Snapped Bolt
  55. replacing camshaft bearings?
  56. 85 Deville 4.1L Oil problems.
  57. Won't Start After Driving
  58. need help concerning tune up
  59. should I replace the catalytic converter
  60. 1990 deville shifting problem
  61. TBI injectors
  62. Flat cam or bad lifter?
  63. Code E15???????
  64. flickering Service Soon and no codes...
  65. 4.1 Engine: Sensor Above #8 Spark Plug?
  66. how many mods do you all know about?
  67. high output alternator
  68. ISC RPM Out Of Range
  69. Non GM parts=sick Cadillac??
  70. 4.9 Deville Concours driving terrible again!
  71. Torque converter lock up solenoid, Where?
  72. Engine Swap
  73. 85 Eldo HT 4100 ISC/TPS
  74. 4.5 spark plugs
  75. 4100 engine temp??
  76. Weird 4.9l issues
  77. Finally Solved 4.1 Hesitation: Coil & Plug Wires
  78. Need help with 85 Eldo HT4100 Tuneup
  79. 91 Fleetwood injector impedence?
  80. How do I access the internal codes and what are the normal parameters for a '92 4.9?
  81. SERVICE SOON telltale light!!
  82. Cadillac 4.5L PFI and 4.9L PFI IAT?
  83. my 4100--what would you do
  84. Another BIG 4.x Engine Tip--Especially for 4.1 Owners
  85. what is that god awful smell
  86. '92 Deville 4.9 runs great at startup, runs like crap when hot
  87. e44 o2 error
  88. 4.1 Sputters and pops
  89. Tips on swapping HT4100 for 500
  90. Coolant Temp Light = Sensor?
  91. Need Tps Help
  92. 4.9l Starter Connection Problem
  93. 91 Deville 4.9l No Start Issue
  94. 4.9 stalling problem,and allante question
  95. Conflicting torque information
  96. Replaced Water Pump on 89 4.5 Still leaking
  97. 4100 seville engine swap help needed
  98. 4.1 to 4.9.... RWD?
  99. Blower motor not operating
  100. Any great 4.9 mods?
  101. Remanufactured HT4100 - 10K and now oil in radiator/leak
  102. HT4100 Running BAD when warm.
  103. EGR stack tubes?????
  104. HT4100 Backfires
  105. Checked your A.I.R. system filter lately?
  106. 1990 Deville PRNDL problem
  107. 1990 Deville running poorly.
  108. Thanks for the muffler info
  109. Fuel/exhaust smell seems too strong...dangerous?
  110. 4.9ltr Northstar performance?
  111. anyone know how to remove the crankshaft pully 1990 deville 4.5
  112. 1994 Deville Running Rough
  113. What does this code mean?
  114. Fuse Popping on AC Clutch
  115. 93 Seville 4.9 rough idle, slow response, P041 code
  116. 1985 Eldorado Engine Died! help!
  117. A 4.X Water Pump Story - Not for the Faint of Heart
  118. service vehicle soon is on my dash
  119. Intake gaskets leaking...common problem on the 4.9?
  120. newbie need help
  121. 4.9 Pinging
  122. Stumbling on the on ramps 4.9
  123. Advice/Help Please -- Goodyear Gave Up
  124. 4.9L idle issues... no power.. etc.. TPS?
  125. 4.9 Engine Oil Capacity - 92 Seville
  126. Eldorado Driveability
  127. New member planning mods to 90 STS
  128. 4.5L TBI whistling
  129. 4.9L 1991 Seville driving me crazy - won't start
  130. Fuel Data Center Answers
  131. PCV valve location on 4.9 litre.
  132. HT4100 Driveability Question/Problem
  133. Replacing water pump on '87 4100 - tips?
  134. Plug Wire Order-87 Ht4100
  135. intermittent miss and other weird happenings
  136. 4.5 Cooling System Woes...
  137. HT4100 SYSTEM PROBLEM E047 and B334
  138. Is lifter tick normal on a 4.9?
  139. Coolant and Supplement Change Intervals
  140. 4.1 v8 injector resistance
  141. OIL cooler lines leaking
  142. engine oil
  143. Need help
  144. Need a little help
  145. No Spark
  146. Normal??
  147. Coolant Questions
  148. Another tip for 4.x car owners
  149. Trans Fluid Capacity, '93 Deville, 4.9
  150. dumb question, anyone know where the pcv is on a 4.9?
  151. 4.9 hesitates on highway
  152. How many miles can you expect out of a 4.9 engine and transmission?
  153. 4.9 Exhaust Note
  154. 4.9 Will Not Idle Below 2500rpm!
  155. Engine miss.......AGAIN
  156. Ht4100 V8
  157. Need transmission advice, please!
  158. Not Sure What Engine I have
  159. Turbo Muffler on a 4.9
  160. Premium Fuel in the 4.9?
  161. Ht4100
  162. HT4100 v8 frd eldorado
  163. Alternator issues
  164. HT4100 Hesitation Advice
  165. A/C Recharge
  166. Anyone change a starter on a FWD 4100?
  167. ac problems
  168. 1991 Seville
  169. 1985 Eldorado thinks it a diesel?
  170. 4.9 Problems at Wide Open Throttle
  171. Eldorado and the 4.1 engine ... ????
  172. HT 4100: Avoid at all costs????? Help!
  173. Changed PCV Valve at 98k Miles
  174. Engine Noise
  175. Speed Limiter
  176. Starter/voltage problem...
  177. engine swaps - 4500, 4900, 4100 engines
  178. Service Engine Light
  179. tachometer [jumps] 4.9 Seville
  180. boost HP on a 4.9 in my 1992 seville
  181. 83 Coupe Deville hard code 33 problems
  182. 4.9 shudder when at idle
  183. Possible injector leaks?
  184. Out of no where, my 92 Eldo did not start today.
  185. HT4100 Engine 250V8
  186. Help with and '89 Deville w/4.5L
  187. Tune-up questions, spark plugs
  188. Mystery Grind in Transmission, Engine, Where?
  189. 85 Deville 4100 Driveability
  190. I dread turning this car off!
  191. 4.9 instead of 4.5??
  192. 88 cdv
  193. Should I buy a car with a 4.1 L Engine?
  194. Ok ive given up on this engine.
  195. Oil test shows coolant contamination in 4.9!
  196. Need 2 things please...
  197. honest mpg of 4.9 city driving survey
  198. transmission bump on downshift
  199. ISC motor 1993 Deville
  200. Think i messed something up
  201. A little help needed identifying a loose connector
  202. Intermittent ISC? TPS? Problem still
  203. 4.9 STILL runs rough sets codes
  204. TPS Question
  205. Maitenance Questions, 4.9L 1993 Deville
  206. loud rumble now when stopping now
  207. 4.1L Oil Cooler path through Radiator
  208. Can overheating a 4.9L once damage your headgaskets?
  209. 4.9L: original red/blue A/C valve caps?
  210. Better intake for the 4.1L
  211. Idle is too high now
  212. Slight fuel leak at TBI
  213. Check Vehicle Light
  214. Setting Timing on '84 HT4100 4.1L
  215. tuning Questions for a 93 deville
  216. gas leak from cannister (85 Eldorado)
  217. High startup idle?
  218. Car wont shift on its own but shifts manually
  219. Coolant Supplement?
  220. Calling all 4.5 PFI and 4.9 PFI Owners
  221. Think the engine/tranny would last?
  222. Rocker Arm Support Part Problem-HELP?
  223. Problems w/ 4.9
  224. HT4100 Misfire Question
  225. indexing spark plugs
  226. 4.5L L (front) Cracked Header
  227. Alternator Issues--Please Help!
  228. Another Isc Question?
  229. 4.1L.. What's the problem?
  230. Best way to bleed the cooling system?
  231. car runs too rich didnt pass smog
  232. ht4100 engine cleanup. how to?
  233. Why An Aluminum Block with Iron Heads?
  234. 1985 deville runs great but
  235. 85 Seville with 4.1 Engine: Buy or Run?
  236. Anyone change the valve cover gaskets?
  237. Horrendous gas mileage
  238. Failed smog test - high CO
  239. Looking f/a 4100 4.1?
  240. 85 Deville TV Cable Adjustment
  241. fuel injection??>??
  242. 4.9L seville/deville fastchips or superchips performance chip
  243. keeps going like the energizer bunny
  244. E055 OBD1 Code
  245. Air Filter Question
  246. Serevice engine soon
  247. 4.1/4100 Distributor Hold down- how to tighten???
  248. 4.9 litre plug wire access problem.
  249. Engine mount - Any unique replacements?
  250. 4.9 Squeaking at Idle