: Northstar Engines and System Technical Discussion



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  1. P0441... P0404... ?
  2. P0533... fuel gauge is going nuts
  3. Trans Solenoids??
  4. Timesert VS NS300L Insert System
  5. How much runout is okay?
  6. 95 concours stalling
  7. Looking for Timesert Kit
  8. '94 SLS oil pan / oil manifold / half case leaks
  9. Metal pipe coolant leak...'custom' fix???
  10. Engine apart, which direction does it crank?
  11. 94 Northstar with broken valve.
  12. Oil pressure emergency
  13. hesitation
  14. Timeserts
  15. '99 or '00 ETC?
  16. Fuel pump locking ring
  17. What else do I need to know after unhooking PCM
  18. coolant change
  19. Volant Install
  20. Rebuilt Northstars
  21. Found Rotella 10W-30 at O'Reilly auto parts
  22. PSA: Need sensors?
  23. 1999 Deville front suspension rattle
  24. 1996 Deville 4.6L Water Pump Replacement
  25. N* drive train weight
  26. felpro headgaskets
  27. N* 4.0 liter removal
  28. Smoke at startup?
  29. Whining Power Steering Pump
  30. Questions about servicing my 99 Deville
  31. Where 2 buy main and rod berings for 2004 N*
  32. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  33. Anyone have HG pics? Not overheating but probs...
  34. Nitrous A/F findings & questions.
  35. 2 N* Questions - Coolent and Tranny Dipstick?
  36. 96 STS Head Gasket Story...
  37. cool Northstar info.
  38. Engine removal
  39. 96 Deville 4.6 North* overheating problem
  40. Hot Hot Hot Is Gone - Finally
  41. A couple Nasty Problems! HELP!
  42. How to change fuel injectors?
  43. Tips for replacing Crankshaft Position Sensors
  44. Oil pan gasket leak!
  45. Oil leak?
  46. left blinker not working when headlights on
  47. Lag in the transmission
  48. p1441 evap code help
  49. P043 -- headache -- what is happening???
  50. New here
  51. Differences in 275 & 300 HP Nstar
  52. Electric Turbo
  53. PCM swap???
  54. Northstar Blocks Cracking ?
  55. what is wrong w/ my n*
  56. Oxygen Sensors Grounding
  57. 94 Seville-Turn signals not working, smoking?
  58. trouble starting after timesert job - HELP!
  59. How do you Northstar owners like your Northstars? Would you recommend them?
  60. Northstar performance Upgrades!!!
  61. Northstar Engine Block STEEL CYL INSERTS
  62. a lil help please
  63. How do I tell if my headgasket was repaired?
  64. keep losing coolant...hard to trace
  65. '94 STS is overheating
  66. '94 SLS Idling to fast
  67. 01 Eldo - 100shot Nitrous - track results
  68. RSM Racing / No more?
  69. 2000 STS Error Codes
  70. quick engine question
  71. A few questions about the 4.0 Northstar
  72. So what would happen...
  73. engine oil leaking
  74. Oil change today after 12,735 since last oil change
  75. Help with Check engine light and pcm codes!!
  76. Is this realistic ?
  77. which car to buy
  78. fuel injector fell out!?!?
  79. exhaust sizes and upgrades?
  80. exhuast sizes an performance
  81. 1996 Deville with a small head gasket leak.
  82. Water Pump pulley
  83. Anyone have a timesert bit they could measure for me?
  84. No Spark On Hot Restart
  85. Northstar parts
  86. question on swaping out 96 northstar
  87. Engine additives...safe for N*?
  88. Transmission Problem
  89. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  90. Need help one more time!!!!!
  91. hot start when cold
  92. Headgaskets - deterioration or pulled head studs?
  93. Oil Coverd Spark Plugs on Northstar
  94. 1995 new starter $1000 plus?...
  95. AC Compressor
  96. How to calculate HP to weight ratio?
  97. 300 hp northstar in a deville
  98. Belt problem
  99. motor oil?
  100. 94 DeVille..I cant get my drive belt back on. Help!!
  101. not rough idle, just abnormal, help?!
  102. help identifying parts and removing wire harness
  103. Starter Grind on 94 STS
  104. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  105. Oil Pan Removal??? What am I missing
  106. N* water pump?
  107. What Year NSs Fit a '99 Deville? Need Help
  108. Well...how about ram air?
  109. Congratulations to Ranger...10000 posts
  110. Does The Tornado Really work? And Cold air intake!!!
  111. Was H. Gasket Prob Fixed in Later NStars?
  112. 2000 NS Oil Leak
  113. 94 ETC intermittent/low RPM miss
  114. Catalytic Converter Question -
  115. runaway eng Speed -Glowing exhaust -4.6L N*
  116. GM replacement surge tank cap
  117. Help installing camshafts
  118. Sound like the injectors?
  119. 94 eldo tc engine knocking (i think)
  120. Engine Roaring and Popping from dead stop
  121. 03 STS rough IDLE P0300 & U1016 Code
  122. So I went on the highway in 2nd gear...
  123. Water pump belt?
  124. Low/No Oil Pressure
  125. Leaking oil, Not leaking oil
  126. Where Is The Ecu/pcm Located.
  127. Cylinder pressure test for blown head gasket??
  128. coolant pipes - replace or repair?
  129. few head gasket procedure questions
  130. MAP Sensor Problems. Need A Little Guidance.
  131. So Mixing Different Weight Oils is OK?
  132. Fan fuse
  133. Northstar Engine Swap. Has any1 Done it?
  134. Has anyone experience there car cutting off when the fuel is low but will restart?
  135. 99 STS Turbo Update
  136. Northstar cooling system question
  137. Hot Hot Hot !!!!
  138. How exactly do Oil Life Monitors work?
  139. crankshalf sensors
  140. S060 and P039
  141. DENSO or AC Delco Spark Plugs for a Northstar?
  142. normal running temp for a northstar?
  143. Water Pump replacement on a 96 deville
  144. Gonna Have to LIve with the Lifter Tick
  145. Codes
  146. 98 sts overheating problems
  147. corsa exhaust sound clip
  148. My northstar went south
  149. Crankshaft Position Sensor dead again??!?! Symptoms?
  150. 93-95 performance parts!
  151. 2003 FWD Deville engine dying
  152. Damaged boot between intake & tb... need advice
  153. red line
  154. new o2 sensor still p030 when idle
  155. turn signal problem ('94 STS)
  156. warped heads common?
  157. radiator or head gasket????????
  158. thermostat options
  159. Bad ( burning? ) Smell
  160. ISC replacement
  161. 98 deville spark plugs
  162. Oil Level Sensor
  163. Dropping cradle today, need a bit of guidance
  164. Maff screen remove? power gains?
  165. Runnin without o2 fuses in
  166. Thoughts on G-Tech Pro
  167. PCM Programming for N*?
  168. Decreased Performance ???
  169. anyone use non-"time" serts
  170. Fuel Rail Question...
  171. portability of engine, tranny, etc
  172. Harder than heck to start my
  173. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  174. Northstar ETC dynoed
  175. Northstar in an Allante vs an STS?
  176. Long Block Replacement
  177. Leaking Fuel Rail
  178. turning off traction control on '95 sts
  179. New Towing Hitch
  180. Overheating problem just started.
  181. Normal Oil Consumption ???
  182. 112mph???
  183. 93 N* coolant temp sensor
  184. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  185. Voltage question
  186. Oil Question?????
  187. 97' Cadillac Deville Overheating
  188. ticking throttle
  189. Best Head Gasket Sealer
  190. '94 SLS Crankshaft pully
  191. 99 seville sls
  192. 1/4 mile
  193. radiator fan not spinning
  194. Noisy Lifters
  195. Sticky lifter Update
  196. Expensive Air Filters Worth it???
  197. Coolant system question
  198. hard start when hot, not FPR
  199. An Intresting scan tool
  200. pre 99 N* water pump belt tensioner.
  201. Hard Start/ Fuel Odor
  202. Belt Pulley
  203. coolant flow question
  204. Reading data from OBD II
  205. Inaccurate Battery Voltage Display??
  206. Detonation and Pre-ignition
  207. 94 STS needs help
  208. lifting a northstar
  209. Bosch +2 plugs (report)
  210. OSD says "Change Trans Fluid"
  211. premium at the pump...or is it??
  212. Heating Up
  213. 0-60
  214. More performance
  215. cooling fan problem
  216. 1995 seville pcm problem HELP
  217. Valve Train Question
  218. I keep getting P0404 and P0441? Looking for suggestions...
  219. wiring oil pressure sensor
  220. I keep getting P0404 and P0441
  221. Cooling Fans
  222. Some N* questions
  223. Check Engine Oil Level
  224. This N* is living a good life...
  225. Read TECH TIPS FPR - More Info needed
  226. Intakes
  227. 93 sts running rough only when hot
  228. What does "B2118 - Front Vertical Sensor Failed" mean?
  229. Anti-Sieze and Spark Plugs
  230. Intake Manifold questions - chime in!
  231. thermostat for north star
  232. Preparing for coolant change / Double Checking.
  233. 95 Intake Manifold Interchange?
  234. p0741 trouble code
  235. 1996 4.6 L. Rebuild, what should be replaced.
  236. Replacement parts after reman engine
  237. hardest water pump to install
  238. Sticky-Noisy Valve Lifters, What to Do?
  239. ISC Adjustment Procedure for OBD1 How To
  240. Need Part Number 94 N* INTAKE MANIFOLD
  241. My mechanic wants to put in a new radiator, should I let him?
  242. 94 caddy coolant leak
  243. Crossover measurement
  244. northstar in a fiero
  245. Oil Additive Question
  246. Overheating and low oil pressure
  247. How about no muffler??
  248. Engine rough running misses no power 95 Eldorado 4.6
  249. Borla vs Corsa and others
  250. starter noise, doesn't start