: Northstar Engines and System Technical Discussion



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  1. Is there anywhere to get the specs for a 4.6L Northstar
  2. Brake Fluid Flush
  3. GM part no. for timesert inserts?
  4. God ! please help me before my caddy kills me..
  5. 2000+ NorthStar modified to fit 1994 = success
  6. Lots O'Codes HELP!!!
  7. Coolant Change
  8. cruise control not working properly!
  9. Need help with codes
  10. i smell coolant, is my water pump bad?
  11. Crank micropolishing/where to buy parts?
  12. New Lights
  13. O2 sensor
  14. 95 eldorado Northstar over heats
  15. What to do, what to do...
  16. Main Bearing Replacement?
  17. Rear Main Seal Installer
  18. Looking for a few answers
  19. Help!!!
  20. 94 Seville
  21. My 1996 Sedan Deville won't go over 40 mph?
  22. Northstar and CHRFAB article
  23. 94 eldo compression test
  24. Ignition Wires
  25. Ran my STS again
  26. how long....
  27. 1994 Deville oil pan gasket leak
  28. Leaky oil pan gasket on 94 N* eldo
  29. Service Ride Control and traction control
  30. Some initial worries for 94 eldo tc
  31. some problems
  32. computer readout !!!
  33. Thottle Body
  34. Where to find a Northstar engine
  35. Rough Idel
  36. My 99 STS Overheated
  37. Engine Mounts
  38. oil pan gasket
  39. 94 Deville Concourse Billowing White Smoke
  40. cheap perfomance stuff...
  41. Coolant smell from heater; how screwed am I?
  42. Changing the fuel filter
  43. How to do a tuneup on a North*
  44. '96 SLS: IPC Option C problem
  45. Northstar Oil Usage
  46. Buzzing from turn signal
  47. Engine Data Analysis help
  48. 94 eldorado W/coolant in oil
  49. Growe3, Engine Removal Questions
  50. My .02 on Carbon
  51. N* plugs & wires: DIY or leave it for the pros?
  52. MAP sensor
  53. Lucus Products? Fuel Injector Cleaner
  54. Need Northstar Advic
  55. questions before installing new idle speed motor
  56. 94' Sls Pcm
  57. my first mod
  58. coolant leak - is this a bad fix?
  59. 96 Eldorado Oil leak
  60. Northstar dimensions
  61. Mechanic needs help, NS killing ICM
  62. Just told driveshaft is shot. What should I do?
  63. Timesert kit FS! $130 Shipped!
  64. Is my mechanic pulling a 'fast one'?
  65. Sluggish when driving
  66. 1998 Cai??
  67. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  68. Error Codes and Diagnostic Mode Explained
  69. Head bolt retorque method recommendation needed
  70. Is New Exhaust Hurting MPG?
  71. 1998 STS A/C Problems
  72. traction control sucks!
  73. tranny troubles in Montana
  74. flashing number on display
  75. Which Fuel Company
  76. Oil pressure problems
  77. No power from Northstar on '98 Deville
  78. bosch 4's????
  79. Oil Under Intake Manifold on Northstar
  80. Complicated spark problem on 94/99 Northstar engine
  81. 96 Eldo Warm Eng. Miss No Codes
  82. Every North* blows head gaskets??????
  83. 97 STS P0300 Current/P0603 History SES light
  84. Shift Solenoid "A" and "B" question
  85. whats the difference
  86. Head gaskets on 1993 Allante Northstar
  87. Got codes Help Please
  88. How do I Access OBCII 98 DeVille
  89. good buy?
  90. Fuel Pressure Loss
  91. Crank Sensor--Revisited
  92. Suddenly running rough
  93. Northstar Stalls On Restart
  94. northstar engine swap info
  95. Yep She's A Leaker
  96. Fuel economy post 60k service?
  97. Fuel rail leak--another thorn in the side
  98. anyon know where i can get a chip?
  99. 4.6 running rough at idle in gear
  100. Codes
  101. wat should i do to my car
  102. Annoying engine noise
  103. How long to check codes?
  104. 93 STS Overheated, now idles high. PLEASE HELP
  105. Engine Stalling at traffic light
  106. Coolant Supplement Tablet question
  107. Trans or can it be Electrical
  108. help wilth coede PO23
  109. my 94 SLS code problems help!!
  110. Transmission help!!
  111. Where is the EGR valve located?
  112. clearing codes
  113. How To Fix Clicking Throttle Body
  114. Where can I buy a new EGR valve at a good price?
  115. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  116. Coolant Flush?
  117. Random Multiple Cylinder Misfire
  118. Idle seems rough.
  119. how to avoid cracked heads?
  120. Can you put in too much coolant?
  121. Dex-Cool
  122. Engine Coolant
  123. Weird?
  124. oil pressure loss "STOP ENGINE" warning FIX
  125. Impossible To Fix Overheating Problem
  126. Leaking coolant? Head gasket???
  127. 4t80-e transmission leakage
  128. Resonator Question..
  129. 96 Eldo Warm Eng. Miss. Acceleration Miss.
  130. How do I retrive codes
  131. Help! Service Emissions Soon and Check Engine
  132. Can you repair the fuel rail
  133. Where to get Northstar computer and harness??
  134. A Little Head
  135. 97 Eldo running weak!
  136. Ok, I've pulled the codes and decoded them...
  137. How do I pull codes off my 97 SLS?
  138. help!!...no start and no power at purple wire
  139. slow return to idle (95 sts)
  140. surging under WOT
  141. where do i get performance chips
  142. EMERGENCY----c1232 and c1255
  143. SUPERCHARGER soon
  144. Fuel Problem. TPS or a cleaning?
  145. Northstar needs engine protectors ?
  146. Spark Plug and Wire Change Summary
  147. Help! 96 STS Stalling and Barely Drives
  148. Bad oil Leak
  149. Is it possible to go from 4.1 to Northstar?
  150. need help on replacing the idle speed control motor
  151. Fuel Rail Replacement 96 sts
  152. ISO mechanic for 95 Seville in NE Illinois/SE Wisconsin
  153. N.Star Deville afermarket Tachometer ?
  154. Northstar Electromotive TEC3 .bin file needed
  155. Blown Head Gasket...Help!!
  156. STS Computer Into Deville?
  157. Frozen Spark Plugs
  158. thanks elwesso,lido
  159. Eldorado Exhaust??
  160. Frenchcad Is Asking For Help To Burn Speed Limit...
  161. car won't start!
  162. 95 STS corrosion
  163. One Dead Deville 1999
  164. 94' SLS t073 erratic idle & stalling
  165. 2000sts trouble codes
  166. check engine soon????????
  167. 99 STS Gas pedal sticking
  168. 94 Northstar question
  169. BG44k
  170. (Pressing gas) CLUNK.. What the heck?
  171. Fuel Additives
  172. Loud Pop
  173. help with some error codes 96 etc.
  174. Increasing Displacement
  175. 4T80E gearing
  176. Holy hell, i tried that Lucus oil additive....
  177. "Stop Engine Low Oil Pressure"
  178. Gas MPG low? and electrical question
  179. need help again, new code
  180. Failed Emission - high HC
  181. Stalling/Starting Problem
  182. 91 vw golf with northstar!!must see
  183. Looking for a source of Northstar Engines
  184. egr
  185. Starter Enable Relay!! Found it, Cleaned it, Fixed it.!!!
  186. Northstar head compatibility
  187. 96 Oil Leak
  188. Parts swapping
  189. Is there a GM TSB for the use of Time-Serts?
  190. 2000 Sts Exhaust
  191. 97 STS eliminate the converter?
  192. Exhaust question
  193. Limp yo-self home, N*!
  194. Trans. Problem?
  195. where is the starter relay, 1993 sts northstar
  196. Transmission flush?
  197. Forum Opinion on 2000 STS
  198. PLEASE!!! -4 and under, lights on,no power to starter!!
  199. dtc pcm 0139 now what?
  200. 1995 sts,manifold cover
  201. Check Coolant Level Message & temp. question
  202. overdrive or drive
  203. Code in history ? P039
  204. Dtc P0101
  205. How to pull engine codes and where to find?
  206. Performance mods!
  207. Diry relief valve causing loss of oil pressure?
  208. 95 STS Water Pump Question.
  209. NOLOGY wires for northstar motors
  210. northstar question
  211. Code SO61? PO83?
  212. Clicking noise
  213. Huge muffler comparison
  214. Fixed the egr valve myself
  215. Does Northstar turn off cylinders like 4-6-8?
  216. Fuel Additives
  217. Problems with N* arise
  218. Diagnostic Code?
  219. Went to a mechanic today on EGR
  220. Thoughts, opinions, and suggestions on carbon deposits.
  221. Year 2000 Northstar 32V engine oil consumption problem?
  222. Spark Plugs
  223. EGR Valve , need help locating it
  224. filling coolant system after flush
  225. Tornado Fuel Saver
  226. EGR valve install question
  227. Where are my O2 Sensors?
  228. PCM? What now
  229. My timesert kit on ebay, reserve at $160!
  230. No speedo!!!
  231. Carbon buildup/ fuel additives/ opinions???
  232. 95 sts starting problems
  233. Should I fix or sell?
  234. could be 1 or 2 things idler pulley or water pump plz help
  235. Northstar driven 94 Pontiac Grand Prix GTP RWD
  236. Leaking Water Pump 1998 Deville
  237. Smoking Northstar!
  238. Engine rebuilt?
  239. Northstar Squealing noise
  240. Oil change
  241. performance exhaust
  242. '94 Concours Hard To Start
  243. P0113/P1111 - then what ?
  244. whast should a 94 north start run temp wise
  245. Changing Serpentine Belt
  246. Custom Intake
  247. Maintaining Northstar Engines *A must Read*
  248. Headgasket replacement finished
  249. N* engine mount bushings...what happens if...
  250. How to remove the belt tensioner?