: Northstar Engines and System Technical Discussion



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