: Northstar Engines and System Technical Discussion



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