: Northstar Engines and System Technical Discussion



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