: Northstar Engines and System Technical Discussion



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