: Northstar Engines and System Technical Discussion



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  1. Seville ECM Codes
  2. Trouble Code on '96 Eldorado
  3. tranny probs need help
  4. Unidentified noise in front driver side wheel on a hard right
  5. spark plug gap?
  6. need timesert kit for my 94 n*
  7. 1993 Northstar engine knock
  8. Code IRC B1771
  9. Excessive Crank Time - Advice Needed
  10. Cost Efficient Mods for '98 STS?
  11. Pls help! How much $ should it cost to repair.....
  12. trouble code retrival
  13. Iridium spark plugs
  14. Sedan Deville Diag Codes: How to interpret?
  15. Boosted caddys
  16. 95 sts,pcm?
  17. Northstar Mechanic
  18. 96 ETC code problems
  19. Codes
  20. Help with Timing Chain Removal
  21. help me with my ....
  22. It just quits (dies) restarts fine.
  23. fuel economy
  24. radiator with holes
  25. supercharged caddy?
  26. A few questions 2
  27. A little more Fuel or air needed.
  28. Is there anywhere to get the specs for a 4.6L Northstar
  29. Brake Fluid Flush
  30. GM part no. for timesert inserts?
  31. God ! please help me before my caddy kills me..
  32. 2000+ NorthStar modified to fit 1994 = success
  33. Lots O'Codes HELP!!!
  34. Coolant Change
  35. cruise control not working properly!
  36. Need help with codes
  37. i smell coolant, is my water pump bad?
  38. Crank micropolishing/where to buy parts?
  39. New Lights
  40. O2 sensor
  41. 95 eldorado Northstar over heats
  42. What to do, what to do...
  43. Main Bearing Replacement?
  44. Rear Main Seal Installer
  45. Looking for a few answers
  46. Help!!!
  47. 94 Seville
  48. My 1996 Sedan Deville won't go over 40 mph?
  49. Northstar and CHRFAB article
  50. 94 eldo compression test
  51. Ignition Wires
  52. Ran my STS again
  53. how long....
  54. 1994 Deville oil pan gasket leak
  55. Leaky oil pan gasket on 94 N* eldo
  56. Service Ride Control and traction control
  57. Some initial worries for 94 eldo tc
  58. some problems
  59. computer readout !!!
  60. Thottle Body
  61. Where to find a Northstar engine
  62. Rough Idel
  63. My 99 STS Overheated
  64. Engine Mounts
  65. oil pan gasket
  66. 94 Deville Concourse Billowing White Smoke
  67. cheap perfomance stuff...
  68. Coolant smell from heater; how screwed am I?
  69. Changing the fuel filter
  70. How to do a tuneup on a North*
  71. '96 SLS: IPC Option C problem
  72. Northstar Oil Usage
  73. Buzzing from turn signal
  74. Engine Data Analysis help
  75. 94 eldorado W/coolant in oil
  76. Growe3, Engine Removal Questions
  77. My .02 on Carbon
  78. N* plugs & wires: DIY or leave it for the pros?
  79. MAP sensor
  80. Lucus Products? Fuel Injector Cleaner
  81. Need Northstar Advic
  82. questions before installing new idle speed motor
  83. 94' Sls Pcm
  84. my first mod
  85. coolant leak - is this a bad fix?
  86. 96 Eldorado Oil leak
  87. Northstar dimensions
  88. Mechanic needs help, NS killing ICM
  89. Just told driveshaft is shot. What should I do?
  90. Timesert kit FS! $130 Shipped!
  91. Is my mechanic pulling a 'fast one'?
  92. Sluggish when driving
  93. 1998 Cai??
  94. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  95. Error Codes and Diagnostic Mode Explained
  96. Head bolt retorque method recommendation needed
  97. Is New Exhaust Hurting MPG?
  98. 1998 STS A/C Problems
  99. traction control sucks!
  100. tranny troubles in Montana
  101. flashing number on display
  102. Which Fuel Company
  103. Oil pressure problems
  104. No power from Northstar on '98 Deville
  105. bosch 4's????
  106. Oil Under Intake Manifold on Northstar
  107. Complicated spark problem on 94/99 Northstar engine
  108. 96 Eldo Warm Eng. Miss No Codes
  109. Every North* blows head gaskets??????
  110. 97 STS P0300 Current/P0603 History SES light
  111. Shift Solenoid "A" and "B" question
  112. whats the difference
  113. Head gaskets on 1993 Allante Northstar
  114. Got codes Help Please
  115. How do I Access OBCII 98 DeVille
  116. good buy?
  117. Fuel Pressure Loss
  118. Crank Sensor--Revisited
  119. Suddenly running rough
  120. Northstar Stalls On Restart
  121. northstar engine swap info
  122. Yep She's A Leaker
  123. Fuel economy post 60k service?
  124. Fuel rail leak--another thorn in the side
  125. anyon know where i can get a chip?
  126. 4.6 running rough at idle in gear
  127. Codes
  128. wat should i do to my car
  129. Annoying engine noise
  130. How long to check codes?
  131. 93 STS Overheated, now idles high. PLEASE HELP
  132. Engine Stalling at traffic light
  133. Coolant Supplement Tablet question
  134. Trans or can it be Electrical
  135. help wilth coede PO23
  136. my 94 SLS code problems help!!
  137. Transmission help!!
  138. Where is the EGR valve located?
  139. clearing codes
  140. How To Fix Clicking Throttle Body
  141. Where can I buy a new EGR valve at a good price?
  142. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  143. Coolant Flush?
  144. Random Multiple Cylinder Misfire
  145. Idle seems rough.
  146. how to avoid cracked heads?
  147. Can you put in too much coolant?
  148. Dex-Cool
  149. Engine Coolant
  150. Weird?
  151. oil pressure loss "STOP ENGINE" warning FIX
  152. Impossible To Fix Overheating Problem
  153. Leaking coolant? Head gasket???
  154. 4t80-e transmission leakage
  155. Resonator Question..
  156. 96 Eldo Warm Eng. Miss. Acceleration Miss.
  157. How do I retrive codes
  158. Help! Service Emissions Soon and Check Engine
  159. Can you repair the fuel rail
  160. Where to get Northstar computer and harness??
  161. A Little Head
  162. 97 Eldo running weak!
  163. Ok, I've pulled the codes and decoded them...
  164. How do I pull codes off my 97 SLS?
  165. help!!...no start and no power at purple wire
  166. slow return to idle (95 sts)
  167. surging under WOT
  168. where do i get performance chips
  169. EMERGENCY----c1232 and c1255
  170. SUPERCHARGER soon
  171. Fuel Problem. TPS or a cleaning?
  172. Northstar needs engine protectors ?
  173. Spark Plug and Wire Change Summary
  174. Help! 96 STS Stalling and Barely Drives
  175. Bad oil Leak
  176. Is it possible to go from 4.1 to Northstar?
  177. need help on replacing the idle speed control motor
  178. Fuel Rail Replacement 96 sts
  179. ISO mechanic for 95 Seville in NE Illinois/SE Wisconsin
  180. N.Star Deville afermarket Tachometer ?
  181. Northstar Electromotive TEC3 .bin file needed
  182. Blown Head Gasket...Help!!
  183. STS Computer Into Deville?
  184. Frozen Spark Plugs
  185. thanks elwesso,lido
  186. Eldorado Exhaust??
  187. Frenchcad Is Asking For Help To Burn Speed Limit...
  188. car won't start!
  189. 95 STS corrosion
  190. One Dead Deville 1999
  191. 94' SLS t073 erratic idle & stalling
  192. 2000sts trouble codes
  193. check engine soon????????
  194. 99 STS Gas pedal sticking
  195. 94 Northstar question
  196. BG44k
  197. (Pressing gas) CLUNK.. What the heck?
  198. Fuel Additives
  199. Loud Pop
  200. help with some error codes 96 etc.
  201. Increasing Displacement
  202. 4T80E gearing
  203. Holy hell, i tried that Lucus oil additive....
  204. "Stop Engine Low Oil Pressure"
  205. Gas MPG low? and electrical question
  206. need help again, new code
  207. Failed Emission - high HC
  208. Stalling/Starting Problem
  209. 91 vw golf with northstar!!must see
  210. Looking for a source of Northstar Engines
  211. egr
  212. Starter Enable Relay!! Found it, Cleaned it, Fixed it.!!!
  213. Northstar head compatibility
  214. 96 Oil Leak
  215. Parts swapping
  216. Is there a GM TSB for the use of Time-Serts?
  217. 2000 Sts Exhaust
  218. 97 STS eliminate the converter?
  219. Exhaust question
  220. Limp yo-self home, N*!
  221. Trans. Problem?
  222. where is the starter relay, 1993 sts northstar
  223. Transmission flush?
  224. Forum Opinion on 2000 STS
  225. PLEASE!!! -4 and under, lights on,no power to starter!!
  226. dtc pcm 0139 now what?
  227. 1995 sts,manifold cover
  228. Check Coolant Level Message & temp. question
  229. overdrive or drive
  230. Code in history ? P039
  231. Dtc P0101
  232. How to pull engine codes and where to find?
  233. Performance mods!
  234. Diry relief valve causing loss of oil pressure?
  235. 95 STS Water Pump Question.
  236. NOLOGY wires for northstar motors
  237. northstar question
  238. Code SO61? PO83?
  239. Clicking noise
  240. Huge muffler comparison
  241. Fixed the egr valve myself
  242. Does Northstar turn off cylinders like 4-6-8?
  243. Fuel Additives
  244. Problems with N* arise
  245. Diagnostic Code?
  246. Went to a mechanic today on EGR
  247. Thoughts, opinions, and suggestions on carbon deposits.
  248. Year 2000 Northstar 32V engine oil consumption problem?
  249. Spark Plugs
  250. EGR Valve , need help locating it