: Northstar Engines and System Technical Discussion



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