: Northstar Engines and System Technical Discussion



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  1. Surging at low revs and hard shift into 2nd
  2. couple of problems, only one code- AMP B1024
  3. You want DYNO graphs?
  4. 98' Deville Waterpump
  5. The best northstar engine?
  6. How can I avoid head gasket damage?
  7. 93 Northstar Stalls with no codes
  8. '92 Seville radio question
  9. "Clunk" noise at startup? Trans Problem? Help!!
  10. fuel treatment
  11. Code P0101
  12. P023 code on 95 Eldorado
  13. 93 Eldo intermittent no spark,no start
  14. Motor change
  15. Injector malfunction Help!!!!
  16. Mod questions for a 2000 DeVille
  17. Sounds like a bird chirping
  18. 97 deville hesiatation!!!!!
  19. '96 STS OverHeating
  20. Head Gasket on 99 STS
  21. Pcv
  22. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  23. New solenoid valve kit if anyone wants it
  24. Northstar barely running
  25. Curious about performance mods...
  26. please idlee problemss help!
  27. Self scanning OBD while driving
  28. WOT advice for new member
  29. N* 1994 compatible with 1995????
  30. Coolant level? '97 Deville
  31. p1860 and p0741 repair help
  32. White Exhaust
  33. I have a code that's not on my list of codes. (P069)
  34. IAT sensor
  35. it ran so good in the past
  36. Leak Back Pressure Incorrect
  37. Code P1406 - EGR Valve Pintle Position Circuit
  38. HELP Rear Exhaust Flange Bolt Removal
  39. 02 STS simple things to help performance
  40. Groaning sound.....waterpump?
  41. Installing TPS right now.....
  42. help changed engine
  43. Throttle Body Service...is it worth$$?
  44. Throttle Body Cleaning, worth the hassel?
  45. Coolant Drain Plugs On the N*
  46. codes codes and more codes
  47. service.gm.com password?
  48. years headgaskets go bad?
  49. coolant smell help!
  50. sudden stalling
  51. Dyno results before turbo charging
  52. 4.6 Northstar Parts
  53. Head Gasket Problem!!!
  54. Just had timeserts installed.
  55. oil leak
  56. Loosing Oil and Burning Smell
  57. need info on 1999 cadillac deville engine
  58. Carbon Deposit HELP FAST
  59. ABS Question/New Engine
  60. 3rd or 2nd gear for brake help
  61. O2 sensor
  62. No2 + N* ???
  63. Engine seems to be knocking
  64. No cruise driving me nuts!!!
  65. Throttle body bolt torque specs
  66. Bad Smoke Help Please
  67. Coolant Flushing Pros/Cons?
  68. Hot start...but not the FPR!
  69. failed emissions test
  70. Has anyone had a headgasket leak oil?
  71. Low Oil Pressure Stop Engine !
  72. Carbon Deposit cleaning TEC
  73. Performance Programer 97 ETC??
  74. Ram Air
  75. Surging when cold
  76. N* comp&performance mods
  77. Recall SS and FPR
  78. NS block warp?
  79. 97 Etc Cpu Mods Or Other N* Perfromance
  80. Head gasket leak after
  81. Corrupt Miles.
  82. Anyone dyno their Caddy?
  83. Rough Running 97 DeVille
  84. Northster Squeel/Whistle
  85. Sweet exhaust smell?
  86. supercharging a 4.6L Northstar
  87. engine died in acceleration! wont start.
  88. T/C cut out assembly
  89. N* feels shuddery
  90. Well, changed the oil....
  91. Starter failure???
  92. GM Remanufactured Transmission...has
  93. Heater core intake line
  94. Stays in open loop (?)
  95. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  96. Top End Setting?
  97. Code- P0442
  98. Tune-UP this weekend; questions..
  99. Is this possible ?
  100. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  101. This whole WOT thing....
  102. Fuel Pressure for a 95 STS?
  103. Should I Worry About WOT?
  104. Oil level sensor question?
  105. '97 NorthStar Coolant Temp
  106. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  107. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  108. throttle body cleaning
  109. Recommended fuel pressure + stalling
  110. 2000 ETC MPG Blew My Mind
  111. Installation/Removal of Temperature Sensor
  112. 93 sts
  113. Dropping Drive Train Axles Too?
  114. with the engine now out, what should I replace?
  115. Volant Intake For 2001-2004 4.6L Deville
  116. groan/rattling noise
  117. 1998 surging when accelerating
  118. Keeping a '97 NS running well
  119. 94 STS Help! Cooling Fans Inop
  120. prolonged cranking 1996 eldo
  121. stan_tampabay
  122. Long crank startups
  123. 2000 deville code hlep
  124. bad coolant temp sensor?
  125. www.steelseal.com
  126. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  127. Ranger....Coolant Question
  128. Northstar Coolant Questions
  129. Replaced the MAP sensor
  130. Code problem, please help!!!
  131. Peformance of 2005 Cadillac Deville w/ Northstar
  132. HELP...car wont start
  133. Possible benefit from a grounding kit?
  134. Annoying Problem
  135. Northstar swap into a Buick Reatta
  136. Which side is the inj. harness on?
  137. 2000 n* into 1996
  138. Tensioner question
  139. 98 DeVille -Torque Trouble
  140. 93 Northstar Allante TPS Issues
  141. Oil light?
  142. 97 STS, low compression in all left bank cyls
  143. Help I027 SES Code came up After a W.O.T
  144. Starter revelation, ....for me anyhow!
  145. Fuel Pump and Erratic idle
  146. Is this a good price for a used N*?
  147. finding an alternative to timeserts
  148. need time sert kit for head gasket repair
  149. Oil filter?!?
  150. 96 DeVille losing coolant
  151. Prevention of Headgasket Trouble?
  152. How much could I get for it all? (N* project)
  153. Anybody have a 300hp northstar and a scan tool?
  154. Severe stumble
  155. last thing holding my cylinder head on... help!
  156. help with some codes
  157. W.o.t.
  158. flickering oil light
  159. Northstar repair
  160. exhaust question
  161. Coolant Problem Eatin My Money!!!!
  162. Tune UP
  163. W. O. T!
  164. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  165. Water Pump Confusion
  166. update - starting
  167. TPS values (PD01 PCM Data output)
  168. 94 SLS Smoked/Smelled and now Won't Start
  169. The Case Of The Dissapearing Oil?
  170. How To Pull Codes (DTC's)
  171. 98 DeVille starting trouble. Help!
  172. Double Flush?
  173. 2000 sls high idle
  174. 1998 Deville Tune-Up confusion
  175. 98 n* head bolts/inserts
  176. 97 Etc Engine Exchange...please Help
  177. 95 ETC Overheating Sometimes??
  178. 97 northstar still overheating
  179. People with stalling problems may want to look at this!!!
  180. NOOB needs some help!!... northstar blown!!!
  181. Loud snapping sound during startup/shutdown
  182. Question on maintanance
  183. Dex-Cool no longer made?
  184. Prestone Super Radiator Flush
  185. Popular choice for spark plugs in my 99 STS???
  186. removing the crank pulley
  187. Post Explosion Roughness
  188. Adjusting Tming (94 concours)
  189. 94 sls whats causing a high idle?!
  190. symtoms of bad wtr pump, 97 concours
  191. EGR valve location
  192. Bottom end/block from another engine?
  193. spark plug wires?
  194. Too Much Spent, Same Problem
  195. 1993 Exploding Intake Plenum
  196. STS Mufflers
  197. Why does dirty TB cause crazy idle?
  198. O2 Sensor
  199. Noisy engine
  200. 100000 mile maintenance
  201. Crank sensors
  202. Pictures of relocated PCM
  203. Reverse (ing) ...
  204. ??Smoking 96DeVille??
  205. head bolt torque settings
  206. Quick Oil Change Question....
  207. 01 STS stalls when stoped at light!
  208. getting the O2 sensor changed
  209. Fram Sure Drain
  210. Engine noise
  211. Piggyback computer is installed
  212. 98 Head Gasket Job
  213. 1993 Northstar
  214. 1998 Northstar For Sell
  215. 2002 DTS Spark Plugs
  216. Time serts pulling out of block
  217. 94 running hot!?????
  218. Tricky
  219. Old Fuel Rail Vs. New Fuel Rail
  220. Oil Leaks
  221. Found used NS, need advice.....
  222. Anyone else's N* tick at idle?
  223. Fuel Pressure Regulator and hot start problems
  224. HiPo Northstars in the house?
  225. Deville 96 Coolant leaking ...
  226. 1993 STS Rough Idle
  227. Oil pan bolt torque
  228. 96 Deville Northstar, No Oil Pressure out of the blue.
  229. So K&N air filter is no good?
  230. 93 Eldorado
  231. 98 deville hard starting
  232. check transmission message
  233. 99 deville/Northstar
  234. Opinions Needed
  235. Coolant supplement tabs not added at coolant change. Now what???
  236. 55.6 mpg
  237. 89in-lb? Seriously?
  238. transmission oil loss
  239. lean fuel mixture
  240. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  241. 98 STS airbox mod?
  242. cable acting up, white smoke 94 sls
  243. Trans Fluid Change Question
  244. Can anyone tell me if I have a bad head gasket
  245. Regular vs Premium Gas
  246. Po39
  247. My cheap-ass tune up
  248. head gasket and engine in-vehicle possible?
  249. 95 seville starter help!! plz look
  250. Possible Idling Problem?