: Northstar Engines and System Technical Discussion



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  1. aftermarket CPU ???
  2. 2001 deville go fast parts ???
  3. EGR Pintle Stuck????
  4. High Temps?
  5. Gear Shift Position Indicator 1994 STS
  6. Misfire/hesitation
  7. Race day mods?
  8. 97 Sedan Deville oil change
  9. motor idles eratically at start and then dies
  10. Low Oil Pressure 1994 SLS 4.6 144k
  11. Right or left, Help Please!!!
  12. Need Code Info
  13. 1996 sts need help won't start
  14. Engine crud @ head gasket repair
  15. One fan or two?
  16. Failed emissions....plugs and wires...?
  17. General Questoin
  18. Overheating --- Still!!!!!!!!
  19. What are these trouble codes? Help!
  20. AAARRRGHHH...Where's the #$@#) switch?!?!
  21. Help! Dealer wants $$ for recall fuel rail!
  22. Very Long, EBTCM
  23. Northstar Maintenance -Tune Up
  24. K&N filters
  25. Check engine soon ! Why ?
  26. Waterpump reliability
  27. No one can figure it out!!! Help!!!
  28. In need of expertise
  29. SC44 and SC55
  30. why are the northstar engines always catching on fire?
  31. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  32. 4.9L NorthStar Performance Upgrades???
  33. Need new/rebuilt '96 Seville engine
  34. 100K warranty
  35. Noise from PS pump.
  36. Wanted!! '00+ rear tranny mount
  37. PO 441 error
  38. Help!!
  39. Rubber gone in the top motor mounts
  40. Stop Engine Low oil pressure
  41. Help with fixing a broken shift solenoid
  42. Tranny detent cable question
  43. po29????
  44. '96 STS Engine Stalling - Possible Electrical Problem?
  45. It's time to tear into her!!
  46. Codes PC0300, PC1139, PZ2719
  47. Crack my Block!!!!!!
  48. "Y" code vs. "9" Code
  49. Northstar 97 sls was hard 2 start--now no start
  50. 1997 Seville STS - Oil Leak Problems?
  51. 130k gaskets vs. 88k transplant
  52. Unlimited funds....almost
  53. Service Emissions System
  54. air plenum and coolant...
  55. error codes p0113 &503
  56. Computer codes and more help wanted
  57. coolant and A/C fans broken blades & mounting arms
  58. 1996 Sedan Deville Knock Sensor
  59. Newbie needs help
  60. frozen serpentine belt tensioner
  61. New Northstar, Unleaded or Premium?
  62. Want to buy northstar coils...
  63. Northstar indicates overheat
  64. BBOB - North* Oil Usage Comment
  65. Bad Cylinder?? Low compression?? Need help.
  66. Steam Engine, Now What?
  67. Zero Oil Pressure!! HELP!!
  68. INtake Manifold
  69. N*, Gas drowning my cylinder, getting smoke
  70. 2 Trans oil purge questions...or more?
  71. Erratic Throttle
  72. Strange Readings 1994 Deville Concourse N*
  73. What would a gas coating on a plug mean?
  74. BBOB - thermostat?
  75. Steam from Tail Pipe?
  76. exhaust questions
  77. water pump tool
  78. Cluster Question - Low Oil Pressure
  79. Limp home mode?
  80. Flowmasters?
  81. Flexplate to Torque converter - loctite??
  82. "Check Oil Level" message question
  83. hole in aluminum Radiator - help wanted
  84. Help Eldo Completely Dead But Batt.has Voltage
  85. Rough Idle...Sluggish Acceleration....
  86. Trouble codes
  87. P0741 - TCC System Stuck Off ???
  88. Clueless N* owners with 4 codes
  89. A P059 code?
  90. Longevity of the N* timing chain nylon tensioner pads ?
  91. What type of Power Steering fluid to use in 93 N* Eldo ?
  92. Limp Home Feature?
  93. Last pressure test update - hopefully!!!
  94. How important (really) is an oil cooler?
  95. Cascading multi-module failure-BBOB?
  96. Hesitation when a/c is on?
  97. PCV valve location 2003 Deville
  98. 4T80E Trans neutraling out in Drive/OD
  99. P 028 code AND overheating?
  100. 96 Deville Waterpump belt removal
  101. Is my car misfiring?
  102. Misfire Woes
  103. Another pressure test update
  104. Can dex-cool replace green anti-f?
  105. more head gasket headaches
  106. Egr
  107. More pressure test questions
  108. Nice job on headbolt quality control
  109. 4.0 to 4.6 swap ?
  110. BBOB - did the press test/overheating/????
  111. Timesert kit needed
  112. Tapping Lifters at start
  113. Northstar Gasket Replacement $?
  114. coil packs on 93 ETC?
  115. Eating Oil.......
  116. Eror code p0153
  117. ac only blows worm air
  118. air intake pro's & cons
  119. Brand new N*...
  120. 1997 Seville - Tranny
  121. Head gasket progress/ performance?
  122. Bbob - Tranny Oil Cooler Line Quest.
  123. Eldo idle and low speed running ODD- HELP!
  124. 93 Northstar using 5w-30 ?
  125. Cleaning Engine
  126. when do the fans come on?
  127. Fun with lifters
  128. How badly stripped was your block?
  129. 96 cadillac deville troubles !!!!
  130. Starting Problems- 95 SLS
  131. Fuel Consumption-Tornado Fuel Saver
  132. my s/c 98 sts wow
  133. MSD DIS-4 and/or Interface modules??
  134. Any info on shift improvement kit for 4T80E?
  135. Need a time-sert kit!
  136. Intermittent VSS!!
  137. Lots of exhaust smoke-95 SLS
  138. Who actually designed the Northstar what's his name?
  139. Do N* heads crack EVER?
  140. New Exhaust
  141. Head Studs?
  142. Removing pully?
  143. White "burned" spark plugs?
  144. What Oil?
  145. Variable Valve Northstar question
  146. HELP!! '96 Deville Starting Problem
  147. Nitrous Wet Or Dry???
  148. Help! 94 Concors
  149. !996 Cadillac Deville Exhaust Smoke Problem
  150. RPM steadily increasing (93 N*)
  151. starter
  152. Opinions on head gaskets vs. engine swap?
  153. Water pump 'sound'?
  154. 10% alcohol fuel...bad news
  155. Needed ASAP:Fuel pump replacement for 1996 Deville
  156. Post Tune-Up questions
  157. Half case leak check
  158. o2 Sensor Help
  159. Throttle Body?- 95 SLS
  160. HELP! 5-6 sec. Cold Starts
  161. My car is about to get sold.
  162. Advice on engine miss and motor mount
  163. 1996 Eldorado ETC overheating.
  164. Spark Plug question for N*
  165. 92 cadillac deville won't start
  166. Timecerts pulled out !
  167. Fuel rail recall expanded
  168. 97 overheating update/helms/questions
  169. Identifing a part (1993 STS - N*)
  170. Dealer Says I Need A New Engine: PLEASE HELP
  171. P0441 Whats this caused by?
  172. Leaking Head gasket cause miss at idle?
  173. from active 2 passive shocks
  174. Water pump belt
  175. Throttle Body Question
  176. need trouble code definitions
  177. Dtc P0503 1520 And Transmission Slip
  178. My 97 Deville is hard to start only when cold
  179. Fuel Gauge Damage by High Sulphur Content
  180. Aurora specs-parts?
  181. Coolant type HELP!!!!
  182. Sources for water pump pulley puller/installer
  183. Stupid muffler question!!!
  184. Differences between the VIN 9 and Y
  185. Northstar overheating
  186. Performance mufflers reliability
  187. Oil pressure sensor on Northstar
  188. How many miles on your N*?
  189. Mobil 1 Now Required ??
  190. is the northstar junk?
  191. 98 STS Staled Out! and wont start.
  192. North* pros and cons?
  193. STS Engine installed IMPECCABLE JOB!!!
  194. Thanks on the 97 overheating
  195. Towing with a STS...
  196. 97 eldo missfiring
  197. North* oil pan removal ELDO ETC
  198. Throttle Body
  199. Northsatr question (years)
  200. 1999 Caddy stalls while driving
  201. Misfire and P046
  202. 94' SLS oil leak?
  203. 02 Deville keeps dying...please help!
  204. radiator replacement
  205. PCM code p039
  206. 97 ETC overheating questions
  207. Bars Leak "Oil additive" not Coolant!!
  208. WTF? Intake Manifold Noise?
  209. Northstar main cap bolts
  210. 2002 Deville poor gas mileage
  211. best repair manual for 97 eldo
  212. who fixes your caddy?
  213. plug wires 97 etc
  214. N* Summer Maintenence
  215. transaxle shift relays?
  216. northstar as a plane engine?
  217. How does the PCM know what gear it's in?
  218. Screwed up water pump
  219. Head gasket price/strategy?
  220. TCC stuck OFF
  221. waterpump
  222. 97 ETC overheating
  223. Changing Coolant and the Right Number of Tablets
  224. Shh, it happened! then starting with 2 simple questions...
  225. Mid-grade fuel?
  226. North* easy tune up
  227. more top end speed
  228. My New 94 Eldorado
  229. Starts fine when cold, hesitates when warm...
  230. Northstar using unleaded fuel?
  231. It's Alive again
  232. Need water pump help ASAP!!
  233. Changing final gear ratio
  234. Changing '96 head gaskets....What else?
  235. Problem with RSS
  236. fuel pump pressure
  237. No heat inside the car
  238. Engine Coolant Change out
  239. Coolant question, 4.6 northstar
  240. Intake/Fuel Problem?
  241. Galloping Goose
  242. Engine Mountings 98 STS
  243. Which Brand Spark Plug is the best for 98 Deville?
  244. Redrilled cam sprockets vs aftermarket cams
  245. Dyno2000 Northstar File
  246. Procedure for removing and replacing heater core
  247. Pcm?
  248. Baffle Plat.. Bad design in older N*
  249. Motor Mounts for 97 sts
  250. N* & Mityvac Fluid Evacuator?