: Northstar Engines and System Technical Discussion



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  1. IN Trouble Now losing coolant
  2. ice possible message...?
  3. 96 deville oil leak
  4. Replacing a Northstar with a LS1
  5. i cant stand this stalling, why does this happen?
  6. 94STS Blown Gasket Pics
  7. 96 deville
  8. all my problems help!!!!
  9. adding a fuel treatment
  10. Is it normal for...
  11. Surging at low revs and hard shift into 2nd
  12. couple of problems, only one code- AMP B1024
  13. You want DYNO graphs?
  14. 98' Deville Waterpump
  15. The best northstar engine?
  16. How can I avoid head gasket damage?
  17. 93 Northstar Stalls with no codes
  18. '92 Seville radio question
  19. "Clunk" noise at startup? Trans Problem? Help!!
  20. fuel treatment
  21. Code P0101
  22. P023 code on 95 Eldorado
  23. 93 Eldo intermittent no spark,no start
  24. Motor change
  25. Injector malfunction Help!!!!
  26. Mod questions for a 2000 DeVille
  27. Sounds like a bird chirping
  28. 97 deville hesiatation!!!!!
  29. '96 STS OverHeating
  30. Head Gasket on 99 STS
  31. Pcv
  32. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  33. New solenoid valve kit if anyone wants it
  34. Northstar barely running
  35. Curious about performance mods...
  36. please idlee problemss help!
  37. Self scanning OBD while driving
  38. WOT advice for new member
  39. N* 1994 compatible with 1995????
  40. Coolant level? '97 Deville
  41. p1860 and p0741 repair help
  42. White Exhaust
  43. I have a code that's not on my list of codes. (P069)
  44. IAT sensor
  45. it ran so good in the past
  46. Leak Back Pressure Incorrect
  47. Code P1406 - EGR Valve Pintle Position Circuit
  48. HELP Rear Exhaust Flange Bolt Removal
  49. 02 STS simple things to help performance
  50. Groaning sound.....waterpump?
  51. Installing TPS right now.....
  52. help changed engine
  53. Throttle Body Service...is it worth$$?
  54. Throttle Body Cleaning, worth the hassel?
  55. Coolant Drain Plugs On the N*
  56. codes codes and more codes
  57. service.gm.com password?
  58. years headgaskets go bad?
  59. coolant smell help!
  60. sudden stalling
  61. Dyno results before turbo charging
  62. 4.6 Northstar Parts
  63. Head Gasket Problem!!!
  64. Just had timeserts installed.
  65. oil leak
  66. Loosing Oil and Burning Smell
  67. need info on 1999 cadillac deville engine
  68. Carbon Deposit HELP FAST
  69. ABS Question/New Engine
  70. 3rd or 2nd gear for brake help
  71. O2 sensor
  72. No2 + N* ???
  73. Engine seems to be knocking
  74. No cruise driving me nuts!!!
  75. Throttle body bolt torque specs
  76. Bad Smoke Help Please
  77. Coolant Flushing Pros/Cons?
  78. Hot start...but not the FPR!
  79. failed emissions test
  80. Has anyone had a headgasket leak oil?
  81. Low Oil Pressure Stop Engine !
  82. Carbon Deposit cleaning TEC
  83. Performance Programer 97 ETC??
  84. Ram Air
  85. Surging when cold
  86. N* comp&performance mods
  87. Recall SS and FPR
  88. NS block warp?
  89. 97 Etc Cpu Mods Or Other N* Perfromance
  90. Head gasket leak after
  91. Corrupt Miles.
  92. Anyone dyno their Caddy?
  93. Rough Running 97 DeVille
  94. Northster Squeel/Whistle
  95. Sweet exhaust smell?
  96. supercharging a 4.6L Northstar
  97. engine died in acceleration! wont start.
  98. T/C cut out assembly
  99. N* feels shuddery
  100. Well, changed the oil....
  101. Starter failure???
  102. GM Remanufactured Transmission...has
  103. Heater core intake line
  104. Stays in open loop (?)
  105. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  106. Top End Setting?
  107. Code- P0442
  108. Tune-UP this weekend; questions..
  109. Is this possible ?
  110. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  111. This whole WOT thing....
  112. Fuel Pressure for a 95 STS?
  113. Should I Worry About WOT?
  114. Oil level sensor question?
  115. '97 NorthStar Coolant Temp
  116. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  117. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  118. throttle body cleaning
  119. Recommended fuel pressure + stalling
  120. 2000 ETC MPG Blew My Mind
  121. Installation/Removal of Temperature Sensor
  122. 93 sts
  123. Dropping Drive Train Axles Too?
  124. with the engine now out, what should I replace?
  125. Volant Intake For 2001-2004 4.6L Deville
  126. groan/rattling noise
  127. 1998 surging when accelerating
  128. Keeping a '97 NS running well
  129. 94 STS Help! Cooling Fans Inop
  130. prolonged cranking 1996 eldo
  131. stan_tampabay
  132. Long crank startups
  133. 2000 deville code hlep
  134. bad coolant temp sensor?
  135. www.steelseal.com
  136. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  137. Ranger....Coolant Question
  138. Northstar Coolant Questions
  139. Replaced the MAP sensor
  140. Code problem, please help!!!
  141. Peformance of 2005 Cadillac Deville w/ Northstar
  142. HELP...car wont start
  143. Possible benefit from a grounding kit?
  144. Annoying Problem
  145. Northstar swap into a Buick Reatta
  146. Which side is the inj. harness on?
  147. 2000 n* into 1996
  148. Tensioner question
  149. 98 DeVille -Torque Trouble
  150. 93 Northstar Allante TPS Issues
  151. Oil light?
  152. 97 STS, low compression in all left bank cyls
  153. Help I027 SES Code came up After a W.O.T
  154. Starter revelation, ....for me anyhow!
  155. Fuel Pump and Erratic idle
  156. Is this a good price for a used N*?
  157. finding an alternative to timeserts
  158. need time sert kit for head gasket repair
  159. Oil filter?!?
  160. 96 DeVille losing coolant
  161. Prevention of Headgasket Trouble?
  162. How much could I get for it all? (N* project)
  163. Anybody have a 300hp northstar and a scan tool?
  164. Severe stumble
  165. last thing holding my cylinder head on... help!
  166. help with some codes
  167. W.o.t.
  168. flickering oil light
  169. Northstar repair
  170. exhaust question
  171. Coolant Problem Eatin My Money!!!!
  172. Tune UP
  173. W. O. T!
  174. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  175. Water Pump Confusion
  176. update - starting
  177. TPS values (PD01 PCM Data output)
  178. 94 SLS Smoked/Smelled and now Won't Start
  179. The Case Of The Dissapearing Oil?
  180. How To Pull Codes (DTC's)
  181. 98 DeVille starting trouble. Help!
  182. Double Flush?
  183. 2000 sls high idle
  184. 1998 Deville Tune-Up confusion
  185. 98 n* head bolts/inserts
  186. 97 Etc Engine Exchange...please Help
  187. 95 ETC Overheating Sometimes??
  188. 97 northstar still overheating
  189. People with stalling problems may want to look at this!!!
  190. NOOB needs some help!!... northstar blown!!!
  191. Loud snapping sound during startup/shutdown
  192. Question on maintanance
  193. Dex-Cool no longer made?
  194. Prestone Super Radiator Flush
  195. Popular choice for spark plugs in my 99 STS???
  196. removing the crank pulley
  197. Post Explosion Roughness
  198. Adjusting Tming (94 concours)
  199. 94 sls whats causing a high idle?!
  200. symtoms of bad wtr pump, 97 concours
  201. EGR valve location
  202. Bottom end/block from another engine?
  203. spark plug wires?
  204. Too Much Spent, Same Problem
  205. 1993 Exploding Intake Plenum
  206. STS Mufflers
  207. Why does dirty TB cause crazy idle?
  208. O2 Sensor
  209. Noisy engine
  210. 100000 mile maintenance
  211. Crank sensors
  212. Pictures of relocated PCM
  213. Reverse (ing) ...
  214. ??Smoking 96DeVille??
  215. head bolt torque settings
  216. Quick Oil Change Question....
  217. 01 STS stalls when stoped at light!
  218. getting the O2 sensor changed
  219. Fram Sure Drain
  220. Engine noise
  221. Piggyback computer is installed
  222. 98 Head Gasket Job
  223. 1993 Northstar
  224. 1998 Northstar For Sell
  225. 2002 DTS Spark Plugs
  226. Time serts pulling out of block
  227. 94 running hot!?????
  228. Tricky
  229. Old Fuel Rail Vs. New Fuel Rail
  230. Oil Leaks
  231. Found used NS, need advice.....
  232. Anyone else's N* tick at idle?
  233. Fuel Pressure Regulator and hot start problems
  234. HiPo Northstars in the house?
  235. Deville 96 Coolant leaking ...
  236. 1993 STS Rough Idle
  237. Oil pan bolt torque
  238. 96 Deville Northstar, No Oil Pressure out of the blue.
  239. So K&N air filter is no good?
  240. 93 Eldorado
  241. 98 deville hard starting
  242. check transmission message
  243. 99 deville/Northstar
  244. Opinions Needed
  245. Coolant supplement tabs not added at coolant change. Now what???
  246. 55.6 mpg
  247. 89in-lb? Seriously?
  248. transmission oil loss
  249. lean fuel mixture
  250. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?