: Northstar Engines and System Technical Discussion



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