: Northstar Engines and System Technical Discussion



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  1. 1999 STS - Timesert question
  2. Gurgling Sound/ Trapped Air in Coolant System
  3. Injector
  4. 95 Deville howl's near the belt
  5. 97 deville N* head gasket costs?????
  6. No overdive
  7. Emmissions Codes
  8. One gear, LIMP MODE? NO CODES
  9. 2000 Deville TCC PWM replacement
  10. p056
  11. 98 Northstar Fuel Rail Recall
  12. Removing bad FPR
  13. '95 Eldorado start-up getting more "difficult"
  14. 93 Northstar Headgasket - Can I do it myself?
  15. Reliability and longevity of a 97 N* motor?
  16. Gas-saving gadgets article
  17. Crank Position Sensor
  18. 1993 1994 Northstar Intake Manifold
  19. How do I spot a head gasket starting to go?
  20. 97 deville radiator drain
  21. N* with code p041
  22. Intake mod
  23. Cold Start Backfire from 97 N*?
  24. OBD2 computer interface
  25. Jasper Verses OEM
  26. 1996 Eldorado Codes
  27. Piston Slap ?
  28. P0420 Code
  29. Northstar oil pump
  30. N*4.6 vibration problem
  31. Cooling system question
  32. Need an engine teardown pic...
  33. Cam Cover Gasket / o-ring replacement
  34. changing altn
  35. Reflash PCM on 96
  36. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  37. Timesert Kit Needed Asap!!!
  38. Failed Emissions Test- But No Codes
  39. fpr fpr
  40. 1999 Northstar with blown head gasket
  41. Water pump??
  42. plugs and wires
  43. Changed TPS on 95 STS d/t P020, now MIL & P080
  44. throttle body cleaning was the answer
  45. Now having trouble in a different way
  46. 200 Deville occasionally won't Idle when starting warm
  47. P1406 Code? EGR?
  48. idle relearn and isc adjust
  49. 1993 Fuel Psi regulator
  50. Cracked Engine Block in 2001 DeVille
  51. 93 -99 N* vs 2000 - 2004, which is better
  52. motor mount...and more
  53. 97 deville leakin trans fluid
  54. MAF replacement
  55. too hot and too cold
  56. Does anybody here have full access to TSB info at alldata?
  57. Overheat SOLVED ! Thank You Ranger & Others
  58. '95 Northstar 4.6 oil leak
  59. Northstar Blower Motor For Sale
  60. 96 Deville running hot
  61. 97 deville stalling, no codes
  62. Changing Spark Plugs- '99 STS
  63. 94 sls overheating,maybe...
  64. I see a lot of posts on supercharging a Northstar
  65. How to get more torque, 03-DTS
  66. Replace or fix
  67. Typical NOOB questions...
  68. Northstar intake manifold
  69. Northstar intake manifold
  70. hey zonie or ranger,
  71. Losing Coolant & Radiator Leakage
  72. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  73. Delco VS Bosch Plug Wires
  74. Oil "Blow By"
  75. Coming 6 speed automatic
  76. WOT - is this the ONLY way to remove carbon buildup?
  77. New source for 80mm throttle bodies!
  78. Is It A Head Gasket???
  79. Jasper Engines
  80. Confused about spark plug type
  81. Surge Tank Design
  82. Stranded out of town!!!
  83. Speed limiter
  84. cams in a northstar
  85. acceleration troubles...
  86. Coolant crossover photos
  87. P0300 Vote!
  88. the best oil for the northstar engine
  89. No Start Please I Need Help!!
  90. 3 questions regarding the timesert job
  91. fuel air mixture
  92. Replacing O2s
  93. P056
  94. Northstar V. 4.9
  95. 97 northstar engine miss
  96. Engine oil leak
  97. IN Trouble Now losing coolant
  98. ice possible message...?
  99. 96 deville oil leak
  100. Replacing a Northstar with a LS1
  101. i cant stand this stalling, why does this happen?
  102. 94STS Blown Gasket Pics
  103. 96 deville
  104. all my problems help!!!!
  105. adding a fuel treatment
  106. Is it normal for...
  107. Surging at low revs and hard shift into 2nd
  108. couple of problems, only one code- AMP B1024
  109. You want DYNO graphs?
  110. 98' Deville Waterpump
  111. The best northstar engine?
  112. How can I avoid head gasket damage?
  113. 93 Northstar Stalls with no codes
  114. '92 Seville radio question
  115. "Clunk" noise at startup? Trans Problem? Help!!
  116. fuel treatment
  117. Code P0101
  118. P023 code on 95 Eldorado
  119. 93 Eldo intermittent no spark,no start
  120. Motor change
  121. Injector malfunction Help!!!!
  122. Mod questions for a 2000 DeVille
  123. Sounds like a bird chirping
  124. 97 deville hesiatation!!!!!
  125. '96 STS OverHeating
  126. Head Gasket on 99 STS
  127. Pcv
  128. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  129. New solenoid valve kit if anyone wants it
  130. Northstar barely running
  131. Curious about performance mods...
  132. please idlee problemss help!
  133. Self scanning OBD while driving
  134. WOT advice for new member
  135. N* 1994 compatible with 1995????
  136. Coolant level? '97 Deville
  137. p1860 and p0741 repair help
  138. White Exhaust
  139. I have a code that's not on my list of codes. (P069)
  140. IAT sensor
  141. it ran so good in the past
  142. Leak Back Pressure Incorrect
  143. Code P1406 - EGR Valve Pintle Position Circuit
  144. HELP Rear Exhaust Flange Bolt Removal
  145. 02 STS simple things to help performance
  146. Groaning sound.....waterpump?
  147. Installing TPS right now.....
  148. help changed engine
  149. Throttle Body Service...is it worth$$?
  150. Throttle Body Cleaning, worth the hassel?
  151. Coolant Drain Plugs On the N*
  152. codes codes and more codes
  153. service.gm.com password?
  154. years headgaskets go bad?
  155. coolant smell help!
  156. sudden stalling
  157. Dyno results before turbo charging
  158. 4.6 Northstar Parts
  159. Head Gasket Problem!!!
  160. Just had timeserts installed.
  161. oil leak
  162. Loosing Oil and Burning Smell
  163. need info on 1999 cadillac deville engine
  164. Carbon Deposit HELP FAST
  165. ABS Question/New Engine
  166. 3rd or 2nd gear for brake help
  167. O2 sensor
  168. No2 + N* ???
  169. Engine seems to be knocking
  170. No cruise driving me nuts!!!
  171. Throttle body bolt torque specs
  172. Bad Smoke Help Please
  173. Coolant Flushing Pros/Cons?
  174. Hot start...but not the FPR!
  175. failed emissions test
  176. Has anyone had a headgasket leak oil?
  177. Low Oil Pressure Stop Engine !
  178. Carbon Deposit cleaning TEC
  179. Performance Programer 97 ETC??
  180. Ram Air
  181. Surging when cold
  182. N* comp&performance mods
  183. Recall SS and FPR
  184. NS block warp?
  185. 97 Etc Cpu Mods Or Other N* Perfromance
  186. Head gasket leak after
  187. Corrupt Miles.
  188. Anyone dyno their Caddy?
  189. Rough Running 97 DeVille
  190. Northster Squeel/Whistle
  191. Sweet exhaust smell?
  192. supercharging a 4.6L Northstar
  193. engine died in acceleration! wont start.
  194. T/C cut out assembly
  195. N* feels shuddery
  196. Well, changed the oil....
  197. Starter failure???
  198. GM Remanufactured Transmission...has
  199. Heater core intake line
  200. Stays in open loop (?)
  201. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  202. Top End Setting?
  203. Code- P0442
  204. Tune-UP this weekend; questions..
  205. Is this possible ?
  206. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  207. This whole WOT thing....
  208. Fuel Pressure for a 95 STS?
  209. Should I Worry About WOT?
  210. Oil level sensor question?
  211. '97 NorthStar Coolant Temp
  212. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  213. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  214. throttle body cleaning
  215. Recommended fuel pressure + stalling
  216. 2000 ETC MPG Blew My Mind
  217. Installation/Removal of Temperature Sensor
  218. 93 sts
  219. Dropping Drive Train Axles Too?
  220. with the engine now out, what should I replace?
  221. Volant Intake For 2001-2004 4.6L Deville
  222. groan/rattling noise
  223. 1998 surging when accelerating
  224. Keeping a '97 NS running well
  225. 94 STS Help! Cooling Fans Inop
  226. prolonged cranking 1996 eldo
  227. stan_tampabay
  228. Long crank startups
  229. 2000 deville code hlep
  230. bad coolant temp sensor?
  231. www.steelseal.com
  232. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  233. Ranger....Coolant Question
  234. Northstar Coolant Questions
  235. Replaced the MAP sensor
  236. Code problem, please help!!!
  237. Peformance of 2005 Cadillac Deville w/ Northstar
  238. HELP...car wont start
  239. Possible benefit from a grounding kit?
  240. Annoying Problem
  241. Northstar swap into a Buick Reatta
  242. Which side is the inj. harness on?
  243. 2000 n* into 1996
  244. Tensioner question
  245. 98 DeVille -Torque Trouble
  246. 93 Northstar Allante TPS Issues
  247. Oil light?
  248. 97 STS, low compression in all left bank cyls
  249. Help I027 SES Code came up After a W.O.T
  250. Starter revelation, ....for me anyhow!