: Northstar Engines and System Technical Discussion



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  1. '97 NorthStar Coolant Temp
  2. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  3. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  4. throttle body cleaning
  5. Recommended fuel pressure + stalling
  6. 2000 ETC MPG Blew My Mind
  7. Installation/Removal of Temperature Sensor
  8. 93 sts
  9. Dropping Drive Train Axles Too?
  10. with the engine now out, what should I replace?
  11. Volant Intake For 2001-2004 4.6L Deville
  12. groan/rattling noise
  13. 1998 surging when accelerating
  14. Keeping a '97 NS running well
  15. 94 STS Help! Cooling Fans Inop
  16. prolonged cranking 1996 eldo
  17. stan_tampabay
  18. Long crank startups
  19. 2000 deville code hlep
  20. bad coolant temp sensor?
  21. www.steelseal.com
  22. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  23. Ranger....Coolant Question
  24. Northstar Coolant Questions
  25. Replaced the MAP sensor
  26. Code problem, please help!!!
  27. Peformance of 2005 Cadillac Deville w/ Northstar
  28. HELP...car wont start
  29. Possible benefit from a grounding kit?
  30. Annoying Problem
  31. Northstar swap into a Buick Reatta
  32. Which side is the inj. harness on?
  33. 2000 n* into 1996
  34. Tensioner question
  35. 98 DeVille -Torque Trouble
  36. 93 Northstar Allante TPS Issues
  37. Oil light?
  38. 97 STS, low compression in all left bank cyls
  39. Help I027 SES Code came up After a W.O.T
  40. Starter revelation, ....for me anyhow!
  41. Fuel Pump and Erratic idle
  42. Is this a good price for a used N*?
  43. finding an alternative to timeserts
  44. need time sert kit for head gasket repair
  45. Oil filter?!?
  46. 96 DeVille losing coolant
  47. Prevention of Headgasket Trouble?
  48. How much could I get for it all? (N* project)
  49. Anybody have a 300hp northstar and a scan tool?
  50. Severe stumble
  51. last thing holding my cylinder head on... help!
  52. help with some codes
  53. W.o.t.
  54. flickering oil light
  55. Northstar repair
  56. exhaust question
  57. Coolant Problem Eatin My Money!!!!
  58. Tune UP
  59. W. O. T!
  60. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  61. Water Pump Confusion
  62. update - starting
  63. TPS values (PD01 PCM Data output)
  64. 94 SLS Smoked/Smelled and now Won't Start
  65. The Case Of The Dissapearing Oil?
  66. How To Pull Codes (DTC's)
  67. 98 DeVille starting trouble. Help!
  68. Double Flush?
  69. 2000 sls high idle
  70. 1998 Deville Tune-Up confusion
  71. 98 n* head bolts/inserts
  72. 97 Etc Engine Exchange...please Help
  73. 95 ETC Overheating Sometimes??
  74. 97 northstar still overheating
  75. People with stalling problems may want to look at this!!!
  76. NOOB needs some help!!... northstar blown!!!
  77. Loud snapping sound during startup/shutdown
  78. Question on maintanance
  79. Dex-Cool no longer made?
  80. Prestone Super Radiator Flush
  81. Popular choice for spark plugs in my 99 STS???
  82. removing the crank pulley
  83. Post Explosion Roughness
  84. Adjusting Tming (94 concours)
  85. 94 sls whats causing a high idle?!
  86. symtoms of bad wtr pump, 97 concours
  87. EGR valve location
  88. Bottom end/block from another engine?
  89. spark plug wires?
  90. Too Much Spent, Same Problem
  91. 1993 Exploding Intake Plenum
  92. STS Mufflers
  93. Why does dirty TB cause crazy idle?
  94. O2 Sensor
  95. Noisy engine
  96. 100000 mile maintenance
  97. Crank sensors
  98. Pictures of relocated PCM
  99. Reverse (ing) ...
  100. ??Smoking 96DeVille??
  101. head bolt torque settings
  102. Quick Oil Change Question....
  103. 01 STS stalls when stoped at light!
  104. getting the O2 sensor changed
  105. Fram Sure Drain
  106. Engine noise
  107. Piggyback computer is installed
  108. 98 Head Gasket Job
  109. 1993 Northstar
  110. 1998 Northstar For Sell
  111. 2002 DTS Spark Plugs
  112. Time serts pulling out of block
  113. 94 running hot!?????
  114. Tricky
  115. Old Fuel Rail Vs. New Fuel Rail
  116. Oil Leaks
  117. Found used NS, need advice.....
  118. Anyone else's N* tick at idle?
  119. Fuel Pressure Regulator and hot start problems
  120. HiPo Northstars in the house?
  121. Deville 96 Coolant leaking ...
  122. 1993 STS Rough Idle
  123. Oil pan bolt torque
  124. 96 Deville Northstar, No Oil Pressure out of the blue.
  125. So K&N air filter is no good?
  126. 93 Eldorado
  127. 98 deville hard starting
  128. check transmission message
  129. 99 deville/Northstar
  130. Opinions Needed
  131. Coolant supplement tabs not added at coolant change. Now what???
  132. 55.6 mpg
  133. 89in-lb? Seriously?
  134. transmission oil loss
  135. lean fuel mixture
  136. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  137. 98 STS airbox mod?
  138. cable acting up, white smoke 94 sls
  139. Trans Fluid Change Question
  140. Can anyone tell me if I have a bad head gasket
  141. Regular vs Premium Gas
  142. Po39
  143. My cheap-ass tune up
  144. head gasket and engine in-vehicle possible?
  145. 95 seville starter help!! plz look
  146. Possible Idling Problem?
  147. lifting out the '94 northstar.. please take a look
  148. My Nitrous project is under way...
  149. trans. leak
  150. c
  151. Coolant leak 98 DeVille and desparate
  152. Coolant leak and desparate
  153. Spark Plugs
  154. How about Eldo Performance Mods?
  155. new radiator, now engine overheats
  156. new radiator, now engine overheats
  157. Parts lookup by GM part #?? is it possible?
  158. Flushing 4T80E....how many quarts of fluid?
  159. changing PCValve on 94 eldorado
  160. Error code P035
  161. pull engine from the top in sections ?
  162. Sharp right turn=Puff of blue smoke!
  163. inside radiator leak/transmission leak?
  164. 93 Eldorado 4.6 Northstar "chuggle"
  165. high trans line pressure
  166. Firing order
  167. Northstar question!
  168. Can we get a moment of silence...
  169. air filter in a 1999 Deville
  170. So far I'm not thrilled
  171. Misfire and coils
  172. OBD2 Code RSM0038???
  173. Missfire - NEED HELP
  174. P036 & P056?
  175. Service Engine Soon? No apparent problems
  176. Replaced plug wires and plugs still misfire code
  177. I want more power out of my Northstar
  178. Is there any update on a head gasket sealer that works?
  179. What happened?
  180. Infinitely better than the 'turbonoter'!
  181. Headgasket change ????
  182. Motor Noise
  183. best oil for the 96 northstar 133000 miles
  184. northstar oil leak issues
  185. Where can I cash in a blown PCM core?
  186. hole in the block!!!!!!!!!!
  187. Intake Manifold removal
  188. 96 Edlo Cranks will not start
  189. Lower temp stat & fan sensor?
  190. 93 Allante Northstar oil leak
  191. Guide to replace water pump...
  192. Surge tank
  193. Dex Cool
  194. My crank pulley is wobbling...
  195. Throttle Body Question...
  196. oil pressure light
  197. General Northstar info needed
  198. overheating
  199. bad smell and smoke
  200. How do i clean the heads on my aluminum block?
  201. Dex-cool controversy
  202. what year engine is this!
  203. gasket
  204. NEW (used) Cadillac Owner Deville Northstar 32V
  205. Overheating '99 D'Elegance, need to sell....
  206. headgasket blown?
  207. 1996 cadillac deville for sale
  208. Shift solonoid ?, not like in thread below
  209. 97 eldorado etc with a stumble
  210. do I need two sets of timeserts?
  211. Trouble starting once engine is warm
  212. coolant level
  213. Ok computer genius!! I need you help please
  214. removing northstar engine AC COMPRESSOR question
  215. Intermittant detonation
  216. n*Headgasket Diag. the Hardway
  217. Using 1st, 2nd, 3rd gears in 99' STS
  218. Northstar 1993 Explosion - Urgent Need
  219. having a starting problem on my 94 sls
  220. '95 Northstar into a '94?
  221. NorthStar reliability?
  222. Leaking Coolant, where is it coming from?
  223. Removing the front valve cover on 98 N*???
  224. Low battery voltage causing hard starts ?
  225. new server with past informative posts
  226. Oil Leak Question
  227. service.gm.com username/password
  228. Slipping out of overdrive and P094 code
  229. will 99 n* spark plug wires fit 97 n* ???
  230. Update on my 99' Eldo issues.. and thanks
  231. 97 DeVille Concours low oil pressure stop engine???
  232. sensor names?!?!?!
  233. Cost of rebuilding transmission?
  234. 99 STS Engine Temp Sensor problem
  235. New Owner, 97 Eldo, A Few Thoughts And Questions
  236. what is the conditioner called to add to the radiator coolant??
  237. Toyota MR2 powered by...Northstar
  238. Northstar Twin Turbo...
  239. A helicopter powered by...Northstar engine
  240. A guy with TWO N* engines in his Caddy...The TwinStar
  241. A guy with a turbocharged Northstar powered Fiero...
  242. Found: Northstar Engine Info:
  243. Hi, new here with q on a 99 Eld.
  244. Running Rich?????
  245. Spark Plug Replacement
  246. Cooling System Hoses
  247. 95 STS Crank sensor,location ??? help
  248. engine braking a la overrun clutch
  249. Best Price/ Dealer for Time-serts?
  250. Looking for Northstar Parts!