: Northstar Engines and System Technical Discussion



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  1. Removing bad FPR
  2. '95 Eldorado start-up getting more "difficult"
  3. 93 Northstar Headgasket - Can I do it myself?
  4. Reliability and longevity of a 97 N* motor?
  5. Gas-saving gadgets article
  6. Crank Position Sensor
  7. 1993 1994 Northstar Intake Manifold
  8. How do I spot a head gasket starting to go?
  9. 97 deville radiator drain
  10. N* with code p041
  11. Intake mod
  12. Cold Start Backfire from 97 N*?
  13. OBD2 computer interface
  14. Jasper Verses OEM
  15. 1996 Eldorado Codes
  16. Piston Slap ?
  17. P0420 Code
  18. Northstar oil pump
  19. N*4.6 vibration problem
  20. Cooling system question
  21. Need an engine teardown pic...
  22. Cam Cover Gasket / o-ring replacement
  23. changing altn
  24. Reflash PCM on 96
  25. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  26. Timesert Kit Needed Asap!!!
  27. Failed Emissions Test- But No Codes
  28. fpr fpr
  29. 1999 Northstar with blown head gasket
  30. Water pump??
  31. plugs and wires
  32. Changed TPS on 95 STS d/t P020, now MIL & P080
  33. throttle body cleaning was the answer
  34. Now having trouble in a different way
  35. 200 Deville occasionally won't Idle when starting warm
  36. P1406 Code? EGR?
  37. idle relearn and isc adjust
  38. 1993 Fuel Psi regulator
  39. Cracked Engine Block in 2001 DeVille
  40. 93 -99 N* vs 2000 - 2004, which is better
  41. motor mount...and more
  42. 97 deville leakin trans fluid
  43. MAF replacement
  44. too hot and too cold
  45. Does anybody here have full access to TSB info at alldata?
  46. Overheat SOLVED ! Thank You Ranger & Others
  47. '95 Northstar 4.6 oil leak
  48. Northstar Blower Motor For Sale
  49. 96 Deville running hot
  50. 97 deville stalling, no codes
  51. Changing Spark Plugs- '99 STS
  52. 94 sls overheating,maybe...
  53. I see a lot of posts on supercharging a Northstar
  54. How to get more torque, 03-DTS
  55. Replace or fix
  56. Typical NOOB questions...
  57. Northstar intake manifold
  58. Northstar intake manifold
  59. hey zonie or ranger,
  60. Losing Coolant & Radiator Leakage
  61. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  62. Delco VS Bosch Plug Wires
  63. Oil "Blow By"
  64. Coming 6 speed automatic
  65. WOT - is this the ONLY way to remove carbon buildup?
  66. New source for 80mm throttle bodies!
  67. Is It A Head Gasket???
  68. Jasper Engines
  69. Confused about spark plug type
  70. Surge Tank Design
  71. Stranded out of town!!!
  72. Speed limiter
  73. cams in a northstar
  74. acceleration troubles...
  75. Coolant crossover photos
  76. P0300 Vote!
  77. the best oil for the northstar engine
  78. No Start Please I Need Help!!
  79. 3 questions regarding the timesert job
  80. fuel air mixture
  81. Replacing O2s
  82. P056
  83. Northstar V. 4.9
  84. 97 northstar engine miss
  85. Engine oil leak
  86. IN Trouble Now losing coolant
  87. ice possible message...?
  88. 96 deville oil leak
  89. Replacing a Northstar with a LS1
  90. i cant stand this stalling, why does this happen?
  91. 94STS Blown Gasket Pics
  92. 96 deville
  93. all my problems help!!!!
  94. adding a fuel treatment
  95. Is it normal for...
  96. Surging at low revs and hard shift into 2nd
  97. couple of problems, only one code- AMP B1024
  98. You want DYNO graphs?
  99. 98' Deville Waterpump
  100. The best northstar engine?
  101. How can I avoid head gasket damage?
  102. 93 Northstar Stalls with no codes
  103. '92 Seville radio question
  104. "Clunk" noise at startup? Trans Problem? Help!!
  105. fuel treatment
  106. Code P0101
  107. P023 code on 95 Eldorado
  108. 93 Eldo intermittent no spark,no start
  109. Motor change
  110. Injector malfunction Help!!!!
  111. Mod questions for a 2000 DeVille
  112. Sounds like a bird chirping
  113. 97 deville hesiatation!!!!!
  114. '96 STS OverHeating
  115. Head Gasket on 99 STS
  116. Pcv
  117. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  118. New solenoid valve kit if anyone wants it
  119. Northstar barely running
  120. Curious about performance mods...
  121. please idlee problemss help!
  122. Self scanning OBD while driving
  123. WOT advice for new member
  124. N* 1994 compatible with 1995????
  125. Coolant level? '97 Deville
  126. p1860 and p0741 repair help
  127. White Exhaust
  128. I have a code that's not on my list of codes. (P069)
  129. IAT sensor
  130. it ran so good in the past
  131. Leak Back Pressure Incorrect
  132. Code P1406 - EGR Valve Pintle Position Circuit
  133. HELP Rear Exhaust Flange Bolt Removal
  134. 02 STS simple things to help performance
  135. Groaning sound.....waterpump?
  136. Installing TPS right now.....
  137. help changed engine
  138. Throttle Body Service...is it worth$$?
  139. Throttle Body Cleaning, worth the hassel?
  140. Coolant Drain Plugs On the N*
  141. codes codes and more codes
  142. service.gm.com password?
  143. years headgaskets go bad?
  144. coolant smell help!
  145. sudden stalling
  146. Dyno results before turbo charging
  147. 4.6 Northstar Parts
  148. Head Gasket Problem!!!
  149. Just had timeserts installed.
  150. oil leak
  151. Loosing Oil and Burning Smell
  152. need info on 1999 cadillac deville engine
  153. Carbon Deposit HELP FAST
  154. ABS Question/New Engine
  155. 3rd or 2nd gear for brake help
  156. O2 sensor
  157. No2 + N* ???
  158. Engine seems to be knocking
  159. No cruise driving me nuts!!!
  160. Throttle body bolt torque specs
  161. Bad Smoke Help Please
  162. Coolant Flushing Pros/Cons?
  163. Hot start...but not the FPR!
  164. failed emissions test
  165. Has anyone had a headgasket leak oil?
  166. Low Oil Pressure Stop Engine !
  167. Carbon Deposit cleaning TEC
  168. Performance Programer 97 ETC??
  169. Ram Air
  170. Surging when cold
  171. N* comp&performance mods
  172. Recall SS and FPR
  173. NS block warp?
  174. 97 Etc Cpu Mods Or Other N* Perfromance
  175. Head gasket leak after
  176. Corrupt Miles.
  177. Anyone dyno their Caddy?
  178. Rough Running 97 DeVille
  179. Northster Squeel/Whistle
  180. Sweet exhaust smell?
  181. supercharging a 4.6L Northstar
  182. engine died in acceleration! wont start.
  183. T/C cut out assembly
  184. N* feels shuddery
  185. Well, changed the oil....
  186. Starter failure???
  187. GM Remanufactured Transmission...has
  188. Heater core intake line
  189. Stays in open loop (?)
  190. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  191. Top End Setting?
  192. Code- P0442
  193. Tune-UP this weekend; questions..
  194. Is this possible ?
  195. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  196. This whole WOT thing....
  197. Fuel Pressure for a 95 STS?
  198. Should I Worry About WOT?
  199. Oil level sensor question?
  200. '97 NorthStar Coolant Temp
  201. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  202. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  203. throttle body cleaning
  204. Recommended fuel pressure + stalling
  205. 2000 ETC MPG Blew My Mind
  206. Installation/Removal of Temperature Sensor
  207. 93 sts
  208. Dropping Drive Train Axles Too?
  209. with the engine now out, what should I replace?
  210. Volant Intake For 2001-2004 4.6L Deville
  211. groan/rattling noise
  212. 1998 surging when accelerating
  213. Keeping a '97 NS running well
  214. 94 STS Help! Cooling Fans Inop
  215. prolonged cranking 1996 eldo
  216. stan_tampabay
  217. Long crank startups
  218. 2000 deville code hlep
  219. bad coolant temp sensor?
  220. www.steelseal.com
  221. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  222. Ranger....Coolant Question
  223. Northstar Coolant Questions
  224. Replaced the MAP sensor
  225. Code problem, please help!!!
  226. Peformance of 2005 Cadillac Deville w/ Northstar
  227. HELP...car wont start
  228. Possible benefit from a grounding kit?
  229. Annoying Problem
  230. Northstar swap into a Buick Reatta
  231. Which side is the inj. harness on?
  232. 2000 n* into 1996
  233. Tensioner question
  234. 98 DeVille -Torque Trouble
  235. 93 Northstar Allante TPS Issues
  236. Oil light?
  237. 97 STS, low compression in all left bank cyls
  238. Help I027 SES Code came up After a W.O.T
  239. Starter revelation, ....for me anyhow!
  240. Fuel Pump and Erratic idle
  241. Is this a good price for a used N*?
  242. finding an alternative to timeserts
  243. need time sert kit for head gasket repair
  244. Oil filter?!?
  245. 96 DeVille losing coolant
  246. Prevention of Headgasket Trouble?
  247. How much could I get for it all? (N* project)
  248. Anybody have a 300hp northstar and a scan tool?
  249. Severe stumble
  250. last thing holding my cylinder head on... help!