: Northstar Engines and System Technical Discussion



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