: Northstar Engines and System Technical Discussion



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  1. P0300 Vote!
  2. the best oil for the northstar engine
  3. No Start Please I Need Help!!
  4. 3 questions regarding the timesert job
  5. fuel air mixture
  6. Replacing O2s
  7. P056
  8. Northstar V. 4.9
  9. 97 northstar engine miss
  10. Engine oil leak
  11. IN Trouble Now losing coolant
  12. ice possible message...?
  13. 96 deville oil leak
  14. Replacing a Northstar with a LS1
  15. i cant stand this stalling, why does this happen?
  16. 94STS Blown Gasket Pics
  17. 96 deville
  18. all my problems help!!!!
  19. adding a fuel treatment
  20. Is it normal for...
  21. Surging at low revs and hard shift into 2nd
  22. couple of problems, only one code- AMP B1024
  23. You want DYNO graphs?
  24. 98' Deville Waterpump
  25. The best northstar engine?
  26. How can I avoid head gasket damage?
  27. 93 Northstar Stalls with no codes
  28. '92 Seville radio question
  29. "Clunk" noise at startup? Trans Problem? Help!!
  30. fuel treatment
  31. Code P0101
  32. P023 code on 95 Eldorado
  33. 93 Eldo intermittent no spark,no start
  34. Motor change
  35. Injector malfunction Help!!!!
  36. Mod questions for a 2000 DeVille
  37. Sounds like a bird chirping
  38. 97 deville hesiatation!!!!!
  39. '96 STS OverHeating
  40. Head Gasket on 99 STS
  41. Pcv
  42. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  43. New solenoid valve kit if anyone wants it
  44. Northstar barely running
  45. Curious about performance mods...
  46. please idlee problemss help!
  47. Self scanning OBD while driving
  48. WOT advice for new member
  49. N* 1994 compatible with 1995????
  50. Coolant level? '97 Deville
  51. p1860 and p0741 repair help
  52. White Exhaust
  53. I have a code that's not on my list of codes. (P069)
  54. IAT sensor
  55. it ran so good in the past
  56. Leak Back Pressure Incorrect
  57. Code P1406 - EGR Valve Pintle Position Circuit
  58. HELP Rear Exhaust Flange Bolt Removal
  59. 02 STS simple things to help performance
  60. Groaning sound.....waterpump?
  61. Installing TPS right now.....
  62. help changed engine
  63. Throttle Body Service...is it worth$$?
  64. Throttle Body Cleaning, worth the hassel?
  65. Coolant Drain Plugs On the N*
  66. codes codes and more codes
  67. service.gm.com password?
  68. years headgaskets go bad?
  69. coolant smell help!
  70. sudden stalling
  71. Dyno results before turbo charging
  72. 4.6 Northstar Parts
  73. Head Gasket Problem!!!
  74. Just had timeserts installed.
  75. oil leak
  76. Loosing Oil and Burning Smell
  77. need info on 1999 cadillac deville engine
  78. Carbon Deposit HELP FAST
  79. ABS Question/New Engine
  80. 3rd or 2nd gear for brake help
  81. O2 sensor
  82. No2 + N* ???
  83. Engine seems to be knocking
  84. No cruise driving me nuts!!!
  85. Throttle body bolt torque specs
  86. Bad Smoke Help Please
  87. Coolant Flushing Pros/Cons?
  88. Hot start...but not the FPR!
  89. failed emissions test
  90. Has anyone had a headgasket leak oil?
  91. Low Oil Pressure Stop Engine !
  92. Carbon Deposit cleaning TEC
  93. Performance Programer 97 ETC??
  94. Ram Air
  95. Surging when cold
  96. N* comp&performance mods
  97. Recall SS and FPR
  98. NS block warp?
  99. 97 Etc Cpu Mods Or Other N* Perfromance
  100. Head gasket leak after
  101. Corrupt Miles.
  102. Anyone dyno their Caddy?
  103. Rough Running 97 DeVille
  104. Northster Squeel/Whistle
  105. Sweet exhaust smell?
  106. supercharging a 4.6L Northstar
  107. engine died in acceleration! wont start.
  108. T/C cut out assembly
  109. N* feels shuddery
  110. Well, changed the oil....
  111. Starter failure???
  112. GM Remanufactured Transmission...has
  113. Heater core intake line
  114. Stays in open loop (?)
  115. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  116. Top End Setting?
  117. Code- P0442
  118. Tune-UP this weekend; questions..
  119. Is this possible ?
  120. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  121. This whole WOT thing....
  122. Fuel Pressure for a 95 STS?
  123. Should I Worry About WOT?
  124. Oil level sensor question?
  125. '97 NorthStar Coolant Temp
  126. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  127. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  128. throttle body cleaning
  129. Recommended fuel pressure + stalling
  130. 2000 ETC MPG Blew My Mind
  131. Installation/Removal of Temperature Sensor
  132. 93 sts
  133. Dropping Drive Train Axles Too?
  134. with the engine now out, what should I replace?
  135. Volant Intake For 2001-2004 4.6L Deville
  136. groan/rattling noise
  137. 1998 surging when accelerating
  138. Keeping a '97 NS running well
  139. 94 STS Help! Cooling Fans Inop
  140. prolonged cranking 1996 eldo
  141. stan_tampabay
  142. Long crank startups
  143. 2000 deville code hlep
  144. bad coolant temp sensor?
  145. www.steelseal.com
  146. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  147. Ranger....Coolant Question
  148. Northstar Coolant Questions
  149. Replaced the MAP sensor
  150. Code problem, please help!!!
  151. Peformance of 2005 Cadillac Deville w/ Northstar
  152. HELP...car wont start
  153. Possible benefit from a grounding kit?
  154. Annoying Problem
  155. Northstar swap into a Buick Reatta
  156. Which side is the inj. harness on?
  157. 2000 n* into 1996
  158. Tensioner question
  159. 98 DeVille -Torque Trouble
  160. 93 Northstar Allante TPS Issues
  161. Oil light?
  162. 97 STS, low compression in all left bank cyls
  163. Help I027 SES Code came up After a W.O.T
  164. Starter revelation, ....for me anyhow!
  165. Fuel Pump and Erratic idle
  166. Is this a good price for a used N*?
  167. finding an alternative to timeserts
  168. need time sert kit for head gasket repair
  169. Oil filter?!?
  170. 96 DeVille losing coolant
  171. Prevention of Headgasket Trouble?
  172. How much could I get for it all? (N* project)
  173. Anybody have a 300hp northstar and a scan tool?
  174. Severe stumble
  175. last thing holding my cylinder head on... help!
  176. help with some codes
  177. W.o.t.
  178. flickering oil light
  179. Northstar repair
  180. exhaust question
  181. Coolant Problem Eatin My Money!!!!
  182. Tune UP
  183. W. O. T!
  184. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  185. Water Pump Confusion
  186. update - starting
  187. TPS values (PD01 PCM Data output)
  188. 94 SLS Smoked/Smelled and now Won't Start
  189. The Case Of The Dissapearing Oil?
  190. How To Pull Codes (DTC's)
  191. 98 DeVille starting trouble. Help!
  192. Double Flush?
  193. 2000 sls high idle
  194. 1998 Deville Tune-Up confusion
  195. 98 n* head bolts/inserts
  196. 97 Etc Engine Exchange...please Help
  197. 95 ETC Overheating Sometimes??
  198. 97 northstar still overheating
  199. People with stalling problems may want to look at this!!!
  200. NOOB needs some help!!... northstar blown!!!
  201. Loud snapping sound during startup/shutdown
  202. Question on maintanance
  203. Dex-Cool no longer made?
  204. Prestone Super Radiator Flush
  205. Popular choice for spark plugs in my 99 STS???
  206. removing the crank pulley
  207. Post Explosion Roughness
  208. Adjusting Tming (94 concours)
  209. 94 sls whats causing a high idle?!
  210. symtoms of bad wtr pump, 97 concours
  211. EGR valve location
  212. Bottom end/block from another engine?
  213. spark plug wires?
  214. Too Much Spent, Same Problem
  215. 1993 Exploding Intake Plenum
  216. STS Mufflers
  217. Why does dirty TB cause crazy idle?
  218. O2 Sensor
  219. Noisy engine
  220. 100000 mile maintenance
  221. Crank sensors
  222. Pictures of relocated PCM
  223. Reverse (ing) ...
  224. ??Smoking 96DeVille??
  225. head bolt torque settings
  226. Quick Oil Change Question....
  227. 01 STS stalls when stoped at light!
  228. getting the O2 sensor changed
  229. Fram Sure Drain
  230. Engine noise
  231. Piggyback computer is installed
  232. 98 Head Gasket Job
  233. 1993 Northstar
  234. 1998 Northstar For Sell
  235. 2002 DTS Spark Plugs
  236. Time serts pulling out of block
  237. 94 running hot!?????
  238. Tricky
  239. Old Fuel Rail Vs. New Fuel Rail
  240. Oil Leaks
  241. Found used NS, need advice.....
  242. Anyone else's N* tick at idle?
  243. Fuel Pressure Regulator and hot start problems
  244. HiPo Northstars in the house?
  245. Deville 96 Coolant leaking ...
  246. 1993 STS Rough Idle
  247. Oil pan bolt torque
  248. 96 Deville Northstar, No Oil Pressure out of the blue.
  249. So K&N air filter is no good?
  250. 93 Eldorado