: Northstar Engines and System Technical Discussion



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  1. the best oil for the northstar engine
  2. No Start Please I Need Help!!
  3. 3 questions regarding the timesert job
  4. fuel air mixture
  5. Replacing O2s
  6. P056
  7. Northstar V. 4.9
  8. 97 northstar engine miss
  9. Engine oil leak
  10. IN Trouble Now losing coolant
  11. ice possible message...?
  12. 96 deville oil leak
  13. Replacing a Northstar with a LS1
  14. i cant stand this stalling, why does this happen?
  15. 94STS Blown Gasket Pics
  16. 96 deville
  17. all my problems help!!!!
  18. adding a fuel treatment
  19. Is it normal for...
  20. Surging at low revs and hard shift into 2nd
  21. couple of problems, only one code- AMP B1024
  22. You want DYNO graphs?
  23. 98' Deville Waterpump
  24. The best northstar engine?
  25. How can I avoid head gasket damage?
  26. 93 Northstar Stalls with no codes
  27. '92 Seville radio question
  28. "Clunk" noise at startup? Trans Problem? Help!!
  29. fuel treatment
  30. Code P0101
  31. P023 code on 95 Eldorado
  32. 93 Eldo intermittent no spark,no start
  33. Motor change
  34. Injector malfunction Help!!!!
  35. Mod questions for a 2000 DeVille
  36. Sounds like a bird chirping
  37. 97 deville hesiatation!!!!!
  38. '96 STS OverHeating
  39. Head Gasket on 99 STS
  40. Pcv
  41. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  42. New solenoid valve kit if anyone wants it
  43. Northstar barely running
  44. Curious about performance mods...
  45. please idlee problemss help!
  46. Self scanning OBD while driving
  47. WOT advice for new member
  48. N* 1994 compatible with 1995????
  49. Coolant level? '97 Deville
  50. p1860 and p0741 repair help
  51. White Exhaust
  52. I have a code that's not on my list of codes. (P069)
  53. IAT sensor
  54. it ran so good in the past
  55. Leak Back Pressure Incorrect
  56. Code P1406 - EGR Valve Pintle Position Circuit
  57. HELP Rear Exhaust Flange Bolt Removal
  58. 02 STS simple things to help performance
  59. Groaning sound.....waterpump?
  60. Installing TPS right now.....
  61. help changed engine
  62. Throttle Body Service...is it worth$$?
  63. Throttle Body Cleaning, worth the hassel?
  64. Coolant Drain Plugs On the N*
  65. codes codes and more codes
  66. service.gm.com password?
  67. years headgaskets go bad?
  68. coolant smell help!
  69. sudden stalling
  70. Dyno results before turbo charging
  71. 4.6 Northstar Parts
  72. Head Gasket Problem!!!
  73. Just had timeserts installed.
  74. oil leak
  75. Loosing Oil and Burning Smell
  76. need info on 1999 cadillac deville engine
  77. Carbon Deposit HELP FAST
  78. ABS Question/New Engine
  79. 3rd or 2nd gear for brake help
  80. O2 sensor
  81. No2 + N* ???
  82. Engine seems to be knocking
  83. No cruise driving me nuts!!!
  84. Throttle body bolt torque specs
  85. Bad Smoke Help Please
  86. Coolant Flushing Pros/Cons?
  87. Hot start...but not the FPR!
  88. failed emissions test
  89. Has anyone had a headgasket leak oil?
  90. Low Oil Pressure Stop Engine !
  91. Carbon Deposit cleaning TEC
  92. Performance Programer 97 ETC??
  93. Ram Air
  94. Surging when cold
  95. N* comp&performance mods
  96. Recall SS and FPR
  97. NS block warp?
  98. 97 Etc Cpu Mods Or Other N* Perfromance
  99. Head gasket leak after
  100. Corrupt Miles.
  101. Anyone dyno their Caddy?
  102. Rough Running 97 DeVille
  103. Northster Squeel/Whistle
  104. Sweet exhaust smell?
  105. supercharging a 4.6L Northstar
  106. engine died in acceleration! wont start.
  107. T/C cut out assembly
  108. N* feels shuddery
  109. Well, changed the oil....
  110. Starter failure???
  111. GM Remanufactured Transmission...has
  112. Heater core intake line
  113. Stays in open loop (?)
  114. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  115. Top End Setting?
  116. Code- P0442
  117. Tune-UP this weekend; questions..
  118. Is this possible ?
  119. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  120. This whole WOT thing....
  121. Fuel Pressure for a 95 STS?
  122. Should I Worry About WOT?
  123. Oil level sensor question?
  124. '97 NorthStar Coolant Temp
  125. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  126. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  127. throttle body cleaning
  128. Recommended fuel pressure + stalling
  129. 2000 ETC MPG Blew My Mind
  130. Installation/Removal of Temperature Sensor
  131. 93 sts
  132. Dropping Drive Train Axles Too?
  133. with the engine now out, what should I replace?
  134. Volant Intake For 2001-2004 4.6L Deville
  135. groan/rattling noise
  136. 1998 surging when accelerating
  137. Keeping a '97 NS running well
  138. 94 STS Help! Cooling Fans Inop
  139. prolonged cranking 1996 eldo
  140. stan_tampabay
  141. Long crank startups
  142. 2000 deville code hlep
  143. bad coolant temp sensor?
  144. www.steelseal.com
  145. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  146. Ranger....Coolant Question
  147. Northstar Coolant Questions
  148. Replaced the MAP sensor
  149. Code problem, please help!!!
  150. Peformance of 2005 Cadillac Deville w/ Northstar
  151. HELP...car wont start
  152. Possible benefit from a grounding kit?
  153. Annoying Problem
  154. Northstar swap into a Buick Reatta
  155. Which side is the inj. harness on?
  156. 2000 n* into 1996
  157. Tensioner question
  158. 98 DeVille -Torque Trouble
  159. 93 Northstar Allante TPS Issues
  160. Oil light?
  161. 97 STS, low compression in all left bank cyls
  162. Help I027 SES Code came up After a W.O.T
  163. Starter revelation, ....for me anyhow!
  164. Fuel Pump and Erratic idle
  165. Is this a good price for a used N*?
  166. finding an alternative to timeserts
  167. need time sert kit for head gasket repair
  168. Oil filter?!?
  169. 96 DeVille losing coolant
  170. Prevention of Headgasket Trouble?
  171. How much could I get for it all? (N* project)
  172. Anybody have a 300hp northstar and a scan tool?
  173. Severe stumble
  174. last thing holding my cylinder head on... help!
  175. help with some codes
  176. W.o.t.
  177. flickering oil light
  178. Northstar repair
  179. exhaust question
  180. Coolant Problem Eatin My Money!!!!
  181. Tune UP
  182. W. O. T!
  183. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  184. Water Pump Confusion
  185. update - starting
  186. TPS values (PD01 PCM Data output)
  187. 94 SLS Smoked/Smelled and now Won't Start
  188. The Case Of The Dissapearing Oil?
  189. How To Pull Codes (DTC's)
  190. 98 DeVille starting trouble. Help!
  191. Double Flush?
  192. 2000 sls high idle
  193. 1998 Deville Tune-Up confusion
  194. 98 n* head bolts/inserts
  195. 97 Etc Engine Exchange...please Help
  196. 95 ETC Overheating Sometimes??
  197. 97 northstar still overheating
  198. People with stalling problems may want to look at this!!!
  199. NOOB needs some help!!... northstar blown!!!
  200. Loud snapping sound during startup/shutdown
  201. Question on maintanance
  202. Dex-Cool no longer made?
  203. Prestone Super Radiator Flush
  204. Popular choice for spark plugs in my 99 STS???
  205. removing the crank pulley
  206. Post Explosion Roughness
  207. Adjusting Tming (94 concours)
  208. 94 sls whats causing a high idle?!
  209. symtoms of bad wtr pump, 97 concours
  210. EGR valve location
  211. Bottom end/block from another engine?
  212. spark plug wires?
  213. Too Much Spent, Same Problem
  214. 1993 Exploding Intake Plenum
  215. STS Mufflers
  216. Why does dirty TB cause crazy idle?
  217. O2 Sensor
  218. Noisy engine
  219. 100000 mile maintenance
  220. Crank sensors
  221. Pictures of relocated PCM
  222. Reverse (ing) ...
  223. ??Smoking 96DeVille??
  224. head bolt torque settings
  225. Quick Oil Change Question....
  226. 01 STS stalls when stoped at light!
  227. getting the O2 sensor changed
  228. Fram Sure Drain
  229. Engine noise
  230. Piggyback computer is installed
  231. 98 Head Gasket Job
  232. 1993 Northstar
  233. 1998 Northstar For Sell
  234. 2002 DTS Spark Plugs
  235. Time serts pulling out of block
  236. 94 running hot!?????
  237. Tricky
  238. Old Fuel Rail Vs. New Fuel Rail
  239. Oil Leaks
  240. Found used NS, need advice.....
  241. Anyone else's N* tick at idle?
  242. Fuel Pressure Regulator and hot start problems
  243. HiPo Northstars in the house?
  244. Deville 96 Coolant leaking ...
  245. 1993 STS Rough Idle
  246. Oil pan bolt torque
  247. 96 Deville Northstar, No Oil Pressure out of the blue.
  248. So K&N air filter is no good?
  249. 93 Eldorado
  250. 98 deville hard starting