: Northstar Engines and System Technical Discussion



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  1. Help:Crankshaft Sensor Replacement
  2. Torque convertor can damage the solenoids?
  3. What will it take to get you to buy a 80mm throttle body?
  4. Is this a "freeze plug"?
  5. Is this a 95 intake?
  6. Weird Hydraulic whine, maybe tranny????
  7. # 8 misfire
  8. where are the plugs on my 03 dhs northstar engine?
  9. Water Leak
  10. 4T80E vs Dexron VI, GM new standard
  11. 200,000 mile mark reality? 1996 STS NStar
  12. It wasnt a hole in the block!!!!!
  13. Just Bought a Granma owned NS w/81K-WOT?
  14. please help!?!?!?!?!
  15. High volt MAP
  16. Rough Idle and Stuttering Acceleration
  17. 94 seville sls oil pan gasket replacement...
  18. 97 headgaskets what else should be done?
  19. Differences in the Northstar engines
  20. PCM info for NorthStar
  21. accessing rear spark plugs
  22. 99 STS Turbo charged video
  23. 1994 Eldorado P083 Code?
  24. Looking for help with Codes
  25. What's this noise....
  26. How do you I.D. an engine?
  27. Expansion tank leaking...
  28. Engine ID
  29. 1994 eldorado fuel pump
  30. unchanged SP wires longevity?
  31. Launch Control for N* ignition
  32. coolant loss
  33. Can I fix my 01 Northstar myself?
  34. Turbo WOT 7psi to REDLINE
  35. 0101 MAF-continues
  36. Turbo Update
  37. changing out o2 sensor on 97 deville
  38. P0404 - Exhaust Gas Recirculation (EGR) Open Position Performance?
  39. deciphering DTC messages into plain English
  40. Cylinder Head Info!
  41. Northstar noise
  42. Best Code Reader/Scanner?
  43. EGR change w/ SS fuel rail- trick maybe
  44. Where is the INPUT SPEED SENSOR?
  45. 97 deville fuel problem
  46. GM coolant additive???
  47. Car wont start
  48. Serpentine belt
  49. no overdrive in my 98 eldo
  50. Really Head Gasket?
  51. New plugs and wires, now misfire
  52. STS Tranny trouble
  53. Improper Sparg plug gap, what happens?
  54. 94 STS hesitates or stumbles
  55. Need a Timesert kit
  56. its been a little while but i am back for good!!
  57. Stalls after fill-up
  58. High Oil Consumption *INFO*
  59. I got porked...Blown N*.
  60. Glowing red exhaust manifolds
  61. Pop Off / Backfire Valve Replacement
  62. fuel filter location?
  63. Pictures of Turbo Project
  64. Head gasket compressed thickness
  65. Emission Codes
  66. Extremely Rough Idle... Cracked Intake Manifold?
  67. Spark Plug Gap
  68. Biggest Problems with the N*'s?
  69. 1999 STS - Timesert question
  70. Gurgling Sound/ Trapped Air in Coolant System
  71. Injector
  72. 95 Deville howl's near the belt
  73. 97 deville N* head gasket costs?????
  74. No overdive
  75. Emmissions Codes
  76. One gear, LIMP MODE? NO CODES
  77. 2000 Deville TCC PWM replacement
  78. p056
  79. 98 Northstar Fuel Rail Recall
  80. Removing bad FPR
  81. '95 Eldorado start-up getting more "difficult"
  82. 93 Northstar Headgasket - Can I do it myself?
  83. Reliability and longevity of a 97 N* motor?
  84. Gas-saving gadgets article
  85. Crank Position Sensor
  86. 1993 1994 Northstar Intake Manifold
  87. How do I spot a head gasket starting to go?
  88. 97 deville radiator drain
  89. N* with code p041
  90. Intake mod
  91. Cold Start Backfire from 97 N*?
  92. OBD2 computer interface
  93. Jasper Verses OEM
  94. 1996 Eldorado Codes
  95. Piston Slap ?
  96. P0420 Code
  97. Northstar oil pump
  98. N*4.6 vibration problem
  99. Cooling system question
  100. Need an engine teardown pic...
  101. Cam Cover Gasket / o-ring replacement
  102. changing altn
  103. Reflash PCM on 96
  104. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  105. Timesert Kit Needed Asap!!!
  106. Failed Emissions Test- But No Codes
  107. fpr fpr
  108. 1999 Northstar with blown head gasket
  109. Water pump??
  110. plugs and wires
  111. Changed TPS on 95 STS d/t P020, now MIL & P080
  112. throttle body cleaning was the answer
  113. Now having trouble in a different way
  114. 200 Deville occasionally won't Idle when starting warm
  115. P1406 Code? EGR?
  116. idle relearn and isc adjust
  117. 1993 Fuel Psi regulator
  118. Cracked Engine Block in 2001 DeVille
  119. 93 -99 N* vs 2000 - 2004, which is better
  120. motor mount...and more
  121. 97 deville leakin trans fluid
  122. MAF replacement
  123. too hot and too cold
  124. Does anybody here have full access to TSB info at alldata?
  125. Overheat SOLVED ! Thank You Ranger & Others
  126. '95 Northstar 4.6 oil leak
  127. Northstar Blower Motor For Sale
  128. 96 Deville running hot
  129. 97 deville stalling, no codes
  130. Changing Spark Plugs- '99 STS
  131. 94 sls overheating,maybe...
  132. I see a lot of posts on supercharging a Northstar
  133. How to get more torque, 03-DTS
  134. Replace or fix
  135. Typical NOOB questions...
  136. Northstar intake manifold
  137. Northstar intake manifold
  138. hey zonie or ranger,
  139. Losing Coolant & Radiator Leakage
  140. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  141. Delco VS Bosch Plug Wires
  142. Oil "Blow By"
  143. Coming 6 speed automatic
  144. WOT - is this the ONLY way to remove carbon buildup?
  145. New source for 80mm throttle bodies!
  146. Is It A Head Gasket???
  147. Jasper Engines
  148. Confused about spark plug type
  149. Surge Tank Design
  150. Stranded out of town!!!
  151. Speed limiter
  152. cams in a northstar
  153. acceleration troubles...
  154. Coolant crossover photos
  155. P0300 Vote!
  156. the best oil for the northstar engine
  157. No Start Please I Need Help!!
  158. 3 questions regarding the timesert job
  159. fuel air mixture
  160. Replacing O2s
  161. P056
  162. Northstar V. 4.9
  163. 97 northstar engine miss
  164. Engine oil leak
  165. IN Trouble Now losing coolant
  166. ice possible message...?
  167. 96 deville oil leak
  168. Replacing a Northstar with a LS1
  169. i cant stand this stalling, why does this happen?
  170. 94STS Blown Gasket Pics
  171. 96 deville
  172. all my problems help!!!!
  173. adding a fuel treatment
  174. Is it normal for...
  175. Surging at low revs and hard shift into 2nd
  176. couple of problems, only one code- AMP B1024
  177. You want DYNO graphs?
  178. 98' Deville Waterpump
  179. The best northstar engine?
  180. How can I avoid head gasket damage?
  181. 93 Northstar Stalls with no codes
  182. '92 Seville radio question
  183. "Clunk" noise at startup? Trans Problem? Help!!
  184. fuel treatment
  185. Code P0101
  186. P023 code on 95 Eldorado
  187. 93 Eldo intermittent no spark,no start
  188. Motor change
  189. Injector malfunction Help!!!!
  190. Mod questions for a 2000 DeVille
  191. Sounds like a bird chirping
  192. 97 deville hesiatation!!!!!
  193. '96 STS OverHeating
  194. Head Gasket on 99 STS
  195. Pcv
  196. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  197. New solenoid valve kit if anyone wants it
  198. Northstar barely running
  199. Curious about performance mods...
  200. please idlee problemss help!
  201. Self scanning OBD while driving
  202. WOT advice for new member
  203. N* 1994 compatible with 1995????
  204. Coolant level? '97 Deville
  205. p1860 and p0741 repair help
  206. White Exhaust
  207. I have a code that's not on my list of codes. (P069)
  208. IAT sensor
  209. it ran so good in the past
  210. Leak Back Pressure Incorrect
  211. Code P1406 - EGR Valve Pintle Position Circuit
  212. HELP Rear Exhaust Flange Bolt Removal
  213. 02 STS simple things to help performance
  214. Groaning sound.....waterpump?
  215. Installing TPS right now.....
  216. help changed engine
  217. Throttle Body Service...is it worth$$?
  218. Throttle Body Cleaning, worth the hassel?
  219. Coolant Drain Plugs On the N*
  220. codes codes and more codes
  221. service.gm.com password?
  222. years headgaskets go bad?
  223. coolant smell help!
  224. sudden stalling
  225. Dyno results before turbo charging
  226. 4.6 Northstar Parts
  227. Head Gasket Problem!!!
  228. Just had timeserts installed.
  229. oil leak
  230. Loosing Oil and Burning Smell
  231. need info on 1999 cadillac deville engine
  232. Carbon Deposit HELP FAST
  233. ABS Question/New Engine
  234. 3rd or 2nd gear for brake help
  235. O2 sensor
  236. No2 + N* ???
  237. Engine seems to be knocking
  238. No cruise driving me nuts!!!
  239. Throttle body bolt torque specs
  240. Bad Smoke Help Please
  241. Coolant Flushing Pros/Cons?
  242. Hot start...but not the FPR!
  243. failed emissions test
  244. Has anyone had a headgasket leak oil?
  245. Low Oil Pressure Stop Engine !
  246. Carbon Deposit cleaning TEC
  247. Performance Programer 97 ETC??
  248. Ram Air
  249. Surging when cold
  250. N* comp&performance mods