: Northstar Engines and System Technical Discussion



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