: Northstar Engines and System Technical Discussion



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