: Northstar Engines and System Technical Discussion



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  1. N* 1994 compatible with 1995????
  2. Coolant level? '97 Deville
  3. p1860 and p0741 repair help
  4. White Exhaust
  5. I have a code that's not on my list of codes. (P069)
  6. IAT sensor
  7. it ran so good in the past
  8. Leak Back Pressure Incorrect
  9. Code P1406 - EGR Valve Pintle Position Circuit
  10. HELP Rear Exhaust Flange Bolt Removal
  11. 02 STS simple things to help performance
  12. Groaning sound.....waterpump?
  13. Installing TPS right now.....
  14. help changed engine
  15. Throttle Body Service...is it worth$$?
  16. Throttle Body Cleaning, worth the hassel?
  17. Coolant Drain Plugs On the N*
  18. codes codes and more codes
  19. service.gm.com password?
  20. years headgaskets go bad?
  21. coolant smell help!
  22. sudden stalling
  23. Dyno results before turbo charging
  24. 4.6 Northstar Parts
  25. Head Gasket Problem!!!
  26. Just had timeserts installed.
  27. oil leak
  28. Loosing Oil and Burning Smell
  29. need info on 1999 cadillac deville engine
  30. Carbon Deposit HELP FAST
  31. ABS Question/New Engine
  32. 3rd or 2nd gear for brake help
  33. O2 sensor
  34. No2 + N* ???
  35. Engine seems to be knocking
  36. No cruise driving me nuts!!!
  37. Throttle body bolt torque specs
  38. Bad Smoke Help Please
  39. Coolant Flushing Pros/Cons?
  40. Hot start...but not the FPR!
  41. failed emissions test
  42. Has anyone had a headgasket leak oil?
  43. Low Oil Pressure Stop Engine !
  44. Carbon Deposit cleaning TEC
  45. Performance Programer 97 ETC??
  46. Ram Air
  47. Surging when cold
  48. N* comp&performance mods
  49. Recall SS and FPR
  50. NS block warp?
  51. 97 Etc Cpu Mods Or Other N* Perfromance
  52. Head gasket leak after
  53. Corrupt Miles.
  54. Anyone dyno their Caddy?
  55. Rough Running 97 DeVille
  56. Northster Squeel/Whistle
  57. Sweet exhaust smell?
  58. supercharging a 4.6L Northstar
  59. engine died in acceleration! wont start.
  60. T/C cut out assembly
  61. N* feels shuddery
  62. Well, changed the oil....
  63. Starter failure???
  64. GM Remanufactured Transmission...has
  65. Heater core intake line
  66. Stays in open loop (?)
  67. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  68. Top End Setting?
  69. Code- P0442
  70. Tune-UP this weekend; questions..
  71. Is this possible ?
  72. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  73. This whole WOT thing....
  74. Fuel Pressure for a 95 STS?
  75. Should I Worry About WOT?
  76. Oil level sensor question?
  77. '97 NorthStar Coolant Temp
  78. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  79. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  80. throttle body cleaning
  81. Recommended fuel pressure + stalling
  82. 2000 ETC MPG Blew My Mind
  83. Installation/Removal of Temperature Sensor
  84. 93 sts
  85. Dropping Drive Train Axles Too?
  86. with the engine now out, what should I replace?
  87. Volant Intake For 2001-2004 4.6L Deville
  88. groan/rattling noise
  89. 1998 surging when accelerating
  90. Keeping a '97 NS running well
  91. 94 STS Help! Cooling Fans Inop
  92. prolonged cranking 1996 eldo
  93. stan_tampabay
  94. Long crank startups
  95. 2000 deville code hlep
  96. bad coolant temp sensor?
  97. www.steelseal.com
  98. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  99. Ranger....Coolant Question
  100. Northstar Coolant Questions
  101. Replaced the MAP sensor
  102. Code problem, please help!!!
  103. Peformance of 2005 Cadillac Deville w/ Northstar
  104. HELP...car wont start
  105. Possible benefit from a grounding kit?
  106. Annoying Problem
  107. Northstar swap into a Buick Reatta
  108. Which side is the inj. harness on?
  109. 2000 n* into 1996
  110. Tensioner question
  111. 98 DeVille -Torque Trouble
  112. 93 Northstar Allante TPS Issues
  113. Oil light?
  114. 97 STS, low compression in all left bank cyls
  115. Help I027 SES Code came up After a W.O.T
  116. Starter revelation, ....for me anyhow!
  117. Fuel Pump and Erratic idle
  118. Is this a good price for a used N*?
  119. finding an alternative to timeserts
  120. need time sert kit for head gasket repair
  121. Oil filter?!?
  122. 96 DeVille losing coolant
  123. Prevention of Headgasket Trouble?
  124. How much could I get for it all? (N* project)
  125. Anybody have a 300hp northstar and a scan tool?
  126. Severe stumble
  127. last thing holding my cylinder head on... help!
  128. help with some codes
  129. W.o.t.
  130. flickering oil light
  131. Northstar repair
  132. exhaust question
  133. Coolant Problem Eatin My Money!!!!
  134. Tune UP
  135. W. O. T!
  136. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  137. Water Pump Confusion
  138. update - starting
  139. TPS values (PD01 PCM Data output)
  140. 94 SLS Smoked/Smelled and now Won't Start
  141. The Case Of The Dissapearing Oil?
  142. How To Pull Codes (DTC's)
  143. 98 DeVille starting trouble. Help!
  144. Double Flush?
  145. 2000 sls high idle
  146. 1998 Deville Tune-Up confusion
  147. 98 n* head bolts/inserts
  148. 97 Etc Engine Exchange...please Help
  149. 95 ETC Overheating Sometimes??
  150. 97 northstar still overheating
  151. People with stalling problems may want to look at this!!!
  152. NOOB needs some help!!... northstar blown!!!
  153. Loud snapping sound during startup/shutdown
  154. Question on maintanance
  155. Dex-Cool no longer made?
  156. Prestone Super Radiator Flush
  157. Popular choice for spark plugs in my 99 STS???
  158. removing the crank pulley
  159. Post Explosion Roughness
  160. Adjusting Tming (94 concours)
  161. 94 sls whats causing a high idle?!
  162. symtoms of bad wtr pump, 97 concours
  163. EGR valve location
  164. Bottom end/block from another engine?
  165. spark plug wires?
  166. Too Much Spent, Same Problem
  167. 1993 Exploding Intake Plenum
  168. STS Mufflers
  169. Why does dirty TB cause crazy idle?
  170. O2 Sensor
  171. Noisy engine
  172. 100000 mile maintenance
  173. Crank sensors
  174. Pictures of relocated PCM
  175. Reverse (ing) ...
  176. ??Smoking 96DeVille??
  177. head bolt torque settings
  178. Quick Oil Change Question....
  179. 01 STS stalls when stoped at light!
  180. getting the O2 sensor changed
  181. Fram Sure Drain
  182. Engine noise
  183. Piggyback computer is installed
  184. 98 Head Gasket Job
  185. 1993 Northstar
  186. 1998 Northstar For Sell
  187. 2002 DTS Spark Plugs
  188. Time serts pulling out of block
  189. 94 running hot!?????
  190. Tricky
  191. Old Fuel Rail Vs. New Fuel Rail
  192. Oil Leaks
  193. Found used NS, need advice.....
  194. Anyone else's N* tick at idle?
  195. Fuel Pressure Regulator and hot start problems
  196. HiPo Northstars in the house?
  197. Deville 96 Coolant leaking ...
  198. 1993 STS Rough Idle
  199. Oil pan bolt torque
  200. 96 Deville Northstar, No Oil Pressure out of the blue.
  201. So K&N air filter is no good?
  202. 93 Eldorado
  203. 98 deville hard starting
  204. check transmission message
  205. 99 deville/Northstar
  206. Opinions Needed
  207. Coolant supplement tabs not added at coolant change. Now what???
  208. 55.6 mpg
  209. 89in-lb? Seriously?
  210. transmission oil loss
  211. lean fuel mixture
  212. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  213. 98 STS airbox mod?
  214. cable acting up, white smoke 94 sls
  215. Trans Fluid Change Question
  216. Can anyone tell me if I have a bad head gasket
  217. Regular vs Premium Gas
  218. Po39
  219. My cheap-ass tune up
  220. head gasket and engine in-vehicle possible?
  221. 95 seville starter help!! plz look
  222. Possible Idling Problem?
  223. lifting out the '94 northstar.. please take a look
  224. My Nitrous project is under way...
  225. trans. leak
  226. c
  227. Coolant leak 98 DeVille and desparate
  228. Coolant leak and desparate
  229. Spark Plugs
  230. How about Eldo Performance Mods?
  231. new radiator, now engine overheats
  232. new radiator, now engine overheats
  233. Parts lookup by GM part #?? is it possible?
  234. Flushing 4T80E....how many quarts of fluid?
  235. changing PCValve on 94 eldorado
  236. Error code P035
  237. pull engine from the top in sections ?
  238. Sharp right turn=Puff of blue smoke!
  239. inside radiator leak/transmission leak?
  240. 93 Eldorado 4.6 Northstar "chuggle"
  241. high trans line pressure
  242. Firing order
  243. Northstar question!
  244. Can we get a moment of silence...
  245. air filter in a 1999 Deville
  246. So far I'm not thrilled
  247. Misfire and coils
  248. OBD2 Code RSM0038???
  249. Missfire - NEED HELP
  250. P036 & P056?