: Northstar Engines and System Technical Discussion



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  1. Jasper Verses OEM
  2. 1996 Eldorado Codes
  3. Piston Slap ?
  4. P0420 Code
  5. Northstar oil pump
  6. N*4.6 vibration problem
  7. Cooling system question
  8. Need an engine teardown pic...
  9. Cam Cover Gasket / o-ring replacement
  10. changing altn
  11. Reflash PCM on 96
  12. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  13. Timesert Kit Needed Asap!!!
  14. Failed Emissions Test- But No Codes
  15. fpr fpr
  16. 1999 Northstar with blown head gasket
  17. Water pump??
  18. plugs and wires
  19. Changed TPS on 95 STS d/t P020, now MIL & P080
  20. throttle body cleaning was the answer
  21. Now having trouble in a different way
  22. 200 Deville occasionally won't Idle when starting warm
  23. P1406 Code? EGR?
  24. idle relearn and isc adjust
  25. 1993 Fuel Psi regulator
  26. Cracked Engine Block in 2001 DeVille
  27. 93 -99 N* vs 2000 - 2004, which is better
  28. motor mount...and more
  29. 97 deville leakin trans fluid
  30. MAF replacement
  31. too hot and too cold
  32. Does anybody here have full access to TSB info at alldata?
  33. Overheat SOLVED ! Thank You Ranger & Others
  34. '95 Northstar 4.6 oil leak
  35. Northstar Blower Motor For Sale
  36. 96 Deville running hot
  37. 97 deville stalling, no codes
  38. Changing Spark Plugs- '99 STS
  39. 94 sls overheating,maybe...
  40. I see a lot of posts on supercharging a Northstar
  41. How to get more torque, 03-DTS
  42. Replace or fix
  43. Typical NOOB questions...
  44. Northstar intake manifold
  45. Northstar intake manifold
  46. hey zonie or ranger,
  47. Losing Coolant & Radiator Leakage
  48. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  49. Delco VS Bosch Plug Wires
  50. Oil "Blow By"
  51. Coming 6 speed automatic
  52. WOT - is this the ONLY way to remove carbon buildup?
  53. New source for 80mm throttle bodies!
  54. Is It A Head Gasket???
  55. Jasper Engines
  56. Confused about spark plug type
  57. Surge Tank Design
  58. Stranded out of town!!!
  59. Speed limiter
  60. cams in a northstar
  61. acceleration troubles...
  62. Coolant crossover photos
  63. P0300 Vote!
  64. the best oil for the northstar engine
  65. No Start Please I Need Help!!
  66. 3 questions regarding the timesert job
  67. fuel air mixture
  68. Replacing O2s
  69. P056
  70. Northstar V. 4.9
  71. 97 northstar engine miss
  72. Engine oil leak
  73. IN Trouble Now losing coolant
  74. ice possible message...?
  75. 96 deville oil leak
  76. Replacing a Northstar with a LS1
  77. i cant stand this stalling, why does this happen?
  78. 94STS Blown Gasket Pics
  79. 96 deville
  80. all my problems help!!!!
  81. adding a fuel treatment
  82. Is it normal for...
  83. Surging at low revs and hard shift into 2nd
  84. couple of problems, only one code- AMP B1024
  85. You want DYNO graphs?
  86. 98' Deville Waterpump
  87. The best northstar engine?
  88. How can I avoid head gasket damage?
  89. 93 Northstar Stalls with no codes
  90. '92 Seville radio question
  91. "Clunk" noise at startup? Trans Problem? Help!!
  92. fuel treatment
  93. Code P0101
  94. P023 code on 95 Eldorado
  95. 93 Eldo intermittent no spark,no start
  96. Motor change
  97. Injector malfunction Help!!!!
  98. Mod questions for a 2000 DeVille
  99. Sounds like a bird chirping
  100. 97 deville hesiatation!!!!!
  101. '96 STS OverHeating
  102. Head Gasket on 99 STS
  103. Pcv
  104. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  105. New solenoid valve kit if anyone wants it
  106. Northstar barely running
  107. Curious about performance mods...
  108. please idlee problemss help!
  109. Self scanning OBD while driving
  110. WOT advice for new member
  111. N* 1994 compatible with 1995????
  112. Coolant level? '97 Deville
  113. p1860 and p0741 repair help
  114. White Exhaust
  115. I have a code that's not on my list of codes. (P069)
  116. IAT sensor
  117. it ran so good in the past
  118. Leak Back Pressure Incorrect
  119. Code P1406 - EGR Valve Pintle Position Circuit
  120. HELP Rear Exhaust Flange Bolt Removal
  121. 02 STS simple things to help performance
  122. Groaning sound.....waterpump?
  123. Installing TPS right now.....
  124. help changed engine
  125. Throttle Body Service...is it worth$$?
  126. Throttle Body Cleaning, worth the hassel?
  127. Coolant Drain Plugs On the N*
  128. codes codes and more codes
  129. service.gm.com password?
  130. years headgaskets go bad?
  131. coolant smell help!
  132. sudden stalling
  133. Dyno results before turbo charging
  134. 4.6 Northstar Parts
  135. Head Gasket Problem!!!
  136. Just had timeserts installed.
  137. oil leak
  138. Loosing Oil and Burning Smell
  139. need info on 1999 cadillac deville engine
  140. Carbon Deposit HELP FAST
  141. ABS Question/New Engine
  142. 3rd or 2nd gear for brake help
  143. O2 sensor
  144. No2 + N* ???
  145. Engine seems to be knocking
  146. No cruise driving me nuts!!!
  147. Throttle body bolt torque specs
  148. Bad Smoke Help Please
  149. Coolant Flushing Pros/Cons?
  150. Hot start...but not the FPR!
  151. failed emissions test
  152. Has anyone had a headgasket leak oil?
  153. Low Oil Pressure Stop Engine !
  154. Carbon Deposit cleaning TEC
  155. Performance Programer 97 ETC??
  156. Ram Air
  157. Surging when cold
  158. N* comp&performance mods
  159. Recall SS and FPR
  160. NS block warp?
  161. 97 Etc Cpu Mods Or Other N* Perfromance
  162. Head gasket leak after
  163. Corrupt Miles.
  164. Anyone dyno their Caddy?
  165. Rough Running 97 DeVille
  166. Northster Squeel/Whistle
  167. Sweet exhaust smell?
  168. supercharging a 4.6L Northstar
  169. engine died in acceleration! wont start.
  170. T/C cut out assembly
  171. N* feels shuddery
  172. Well, changed the oil....
  173. Starter failure???
  174. GM Remanufactured Transmission...has
  175. Heater core intake line
  176. Stays in open loop (?)
  177. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  178. Top End Setting?
  179. Code- P0442
  180. Tune-UP this weekend; questions..
  181. Is this possible ?
  182. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  183. This whole WOT thing....
  184. Fuel Pressure for a 95 STS?
  185. Should I Worry About WOT?
  186. Oil level sensor question?
  187. '97 NorthStar Coolant Temp
  188. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  189. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  190. throttle body cleaning
  191. Recommended fuel pressure + stalling
  192. 2000 ETC MPG Blew My Mind
  193. Installation/Removal of Temperature Sensor
  194. 93 sts
  195. Dropping Drive Train Axles Too?
  196. with the engine now out, what should I replace?
  197. Volant Intake For 2001-2004 4.6L Deville
  198. groan/rattling noise
  199. 1998 surging when accelerating
  200. Keeping a '97 NS running well
  201. 94 STS Help! Cooling Fans Inop
  202. prolonged cranking 1996 eldo
  203. stan_tampabay
  204. Long crank startups
  205. 2000 deville code hlep
  206. bad coolant temp sensor?
  207. www.steelseal.com
  208. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  209. Ranger....Coolant Question
  210. Northstar Coolant Questions
  211. Replaced the MAP sensor
  212. Code problem, please help!!!
  213. Peformance of 2005 Cadillac Deville w/ Northstar
  214. HELP...car wont start
  215. Possible benefit from a grounding kit?
  216. Annoying Problem
  217. Northstar swap into a Buick Reatta
  218. Which side is the inj. harness on?
  219. 2000 n* into 1996
  220. Tensioner question
  221. 98 DeVille -Torque Trouble
  222. 93 Northstar Allante TPS Issues
  223. Oil light?
  224. 97 STS, low compression in all left bank cyls
  225. Help I027 SES Code came up After a W.O.T
  226. Starter revelation, ....for me anyhow!
  227. Fuel Pump and Erratic idle
  228. Is this a good price for a used N*?
  229. finding an alternative to timeserts
  230. need time sert kit for head gasket repair
  231. Oil filter?!?
  232. 96 DeVille losing coolant
  233. Prevention of Headgasket Trouble?
  234. How much could I get for it all? (N* project)
  235. Anybody have a 300hp northstar and a scan tool?
  236. Severe stumble
  237. last thing holding my cylinder head on... help!
  238. help with some codes
  239. W.o.t.
  240. flickering oil light
  241. Northstar repair
  242. exhaust question
  243. Coolant Problem Eatin My Money!!!!
  244. Tune UP
  245. W. O. T!
  246. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  247. Water Pump Confusion
  248. update - starting
  249. TPS values (PD01 PCM Data output)
  250. 94 SLS Smoked/Smelled and now Won't Start