: Northstar Engines and System Technical Discussion



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  1. Rear Main Seal Installer
  2. Looking for a few answers
  3. Help!!!
  4. 94 Seville
  5. My 1996 Sedan Deville won't go over 40 mph?
  6. Northstar and CHRFAB article
  7. 94 eldo compression test
  8. Ignition Wires
  9. Ran my STS again
  10. how long....
  11. 1994 Deville oil pan gasket leak
  12. Leaky oil pan gasket on 94 N* eldo
  13. Service Ride Control and traction control
  14. Some initial worries for 94 eldo tc
  15. some problems
  16. computer readout !!!
  17. Thottle Body
  18. Where to find a Northstar engine
  19. Rough Idel
  20. My 99 STS Overheated
  21. Engine Mounts
  22. oil pan gasket
  23. 94 Deville Concourse Billowing White Smoke
  24. cheap perfomance stuff...
  25. Coolant smell from heater; how screwed am I?
  26. Changing the fuel filter
  27. How to do a tuneup on a North*
  28. '96 SLS: IPC Option C problem
  29. Northstar Oil Usage
  30. Buzzing from turn signal
  31. Engine Data Analysis help
  32. 94 eldorado W/coolant in oil
  33. Growe3, Engine Removal Questions
  34. My .02 on Carbon
  35. N* plugs & wires: DIY or leave it for the pros?
  36. MAP sensor
  37. Lucus Products? Fuel Injector Cleaner
  38. Need Northstar Advic
  39. questions before installing new idle speed motor
  40. 94' Sls Pcm
  41. my first mod
  42. coolant leak - is this a bad fix?
  43. 96 Eldorado Oil leak
  44. Northstar dimensions
  45. Mechanic needs help, NS killing ICM
  46. Just told driveshaft is shot. What should I do?
  47. Timesert kit FS! $130 Shipped!
  48. Is my mechanic pulling a 'fast one'?
  49. Sluggish when driving
  50. 1998 Cai??
  51. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  52. Error Codes and Diagnostic Mode Explained
  53. Head bolt retorque method recommendation needed
  54. Is New Exhaust Hurting MPG?
  55. 1998 STS A/C Problems
  56. traction control sucks!
  57. tranny troubles in Montana
  58. flashing number on display
  59. Which Fuel Company
  60. Oil pressure problems
  61. No power from Northstar on '98 Deville
  62. bosch 4's????
  63. Oil Under Intake Manifold on Northstar
  64. Complicated spark problem on 94/99 Northstar engine
  65. 96 Eldo Warm Eng. Miss No Codes
  66. Every North* blows head gaskets??????
  67. 97 STS P0300 Current/P0603 History SES light
  68. Shift Solenoid "A" and "B" question
  69. whats the difference
  70. Head gaskets on 1993 Allante Northstar
  71. Got codes Help Please
  72. How do I Access OBCII 98 DeVille
  73. good buy?
  74. Fuel Pressure Loss
  75. Crank Sensor--Revisited
  76. Suddenly running rough
  77. Northstar Stalls On Restart
  78. northstar engine swap info
  79. Yep She's A Leaker
  80. Fuel economy post 60k service?
  81. Fuel rail leak--another thorn in the side
  82. anyon know where i can get a chip?
  83. 4.6 running rough at idle in gear
  84. Codes
  85. wat should i do to my car
  86. Annoying engine noise
  87. How long to check codes?
  88. 93 STS Overheated, now idles high. PLEASE HELP
  89. Engine Stalling at traffic light
  90. Coolant Supplement Tablet question
  91. Trans or can it be Electrical
  92. help wilth coede PO23
  93. my 94 SLS code problems help!!
  94. Transmission help!!
  95. Where is the EGR valve located?
  96. clearing codes
  97. How To Fix Clicking Throttle Body
  98. Where can I buy a new EGR valve at a good price?
  99. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  100. Coolant Flush?
  101. Random Multiple Cylinder Misfire
  102. Idle seems rough.
  103. how to avoid cracked heads?
  104. Can you put in too much coolant?
  105. Dex-Cool
  106. Engine Coolant
  107. Weird?
  108. oil pressure loss "STOP ENGINE" warning FIX
  109. Impossible To Fix Overheating Problem
  110. Leaking coolant? Head gasket???
  111. 4t80-e transmission leakage
  112. Resonator Question..
  113. 96 Eldo Warm Eng. Miss. Acceleration Miss.
  114. How do I retrive codes
  115. Help! Service Emissions Soon and Check Engine
  116. Can you repair the fuel rail
  117. Where to get Northstar computer and harness??
  118. A Little Head
  119. 97 Eldo running weak!
  120. Ok, I've pulled the codes and decoded them...
  121. How do I pull codes off my 97 SLS?
  122. help!!...no start and no power at purple wire
  123. slow return to idle (95 sts)
  124. surging under WOT
  125. where do i get performance chips
  126. EMERGENCY----c1232 and c1255
  127. SUPERCHARGER soon
  128. Fuel Problem. TPS or a cleaning?
  129. Northstar needs engine protectors ?
  130. Spark Plug and Wire Change Summary
  131. Help! 96 STS Stalling and Barely Drives
  132. Bad oil Leak
  133. Is it possible to go from 4.1 to Northstar?
  134. need help on replacing the idle speed control motor
  135. Fuel Rail Replacement 96 sts
  136. ISO mechanic for 95 Seville in NE Illinois/SE Wisconsin
  137. N.Star Deville afermarket Tachometer ?
  138. Northstar Electromotive TEC3 .bin file needed
  139. Blown Head Gasket...Help!!
  140. STS Computer Into Deville?
  141. Frozen Spark Plugs
  142. thanks elwesso,lido
  143. Eldorado Exhaust??
  144. Frenchcad Is Asking For Help To Burn Speed Limit...
  145. car won't start!
  146. 95 STS corrosion
  147. One Dead Deville 1999
  148. 94' SLS t073 erratic idle & stalling
  149. 2000sts trouble codes
  150. check engine soon????????
  151. 99 STS Gas pedal sticking
  152. 94 Northstar question
  153. BG44k
  154. (Pressing gas) CLUNK.. What the heck?
  155. Fuel Additives
  156. Loud Pop
  157. help with some error codes 96 etc.
  158. Increasing Displacement
  159. 4T80E gearing
  160. Holy hell, i tried that Lucus oil additive....
  161. "Stop Engine Low Oil Pressure"
  162. Gas MPG low? and electrical question
  163. need help again, new code
  164. Failed Emission - high HC
  165. Stalling/Starting Problem
  166. 91 vw golf with northstar!!must see
  167. Looking for a source of Northstar Engines
  168. egr
  169. Starter Enable Relay!! Found it, Cleaned it, Fixed it.!!!
  170. Northstar head compatibility
  171. 96 Oil Leak
  172. Parts swapping
  173. Is there a GM TSB for the use of Time-Serts?
  174. 2000 Sts Exhaust
  175. 97 STS eliminate the converter?
  176. Exhaust question
  177. Limp yo-self home, N*!
  178. Trans. Problem?
  179. where is the starter relay, 1993 sts northstar
  180. Transmission flush?
  181. Forum Opinion on 2000 STS
  182. PLEASE!!! -4 and under, lights on,no power to starter!!
  183. dtc pcm 0139 now what?
  184. 1995 sts,manifold cover
  185. Check Coolant Level Message & temp. question
  186. overdrive or drive
  187. Code in history ? P039
  188. Dtc P0101
  189. How to pull engine codes and where to find?
  190. Performance mods!
  191. Diry relief valve causing loss of oil pressure?
  192. 95 STS Water Pump Question.
  193. NOLOGY wires for northstar motors
  194. northstar question
  195. Code SO61? PO83?
  196. Clicking noise
  197. Huge muffler comparison
  198. Fixed the egr valve myself
  199. Does Northstar turn off cylinders like 4-6-8?
  200. Fuel Additives
  201. Problems with N* arise
  202. Diagnostic Code?
  203. Went to a mechanic today on EGR
  204. Thoughts, opinions, and suggestions on carbon deposits.
  205. Year 2000 Northstar 32V engine oil consumption problem?
  206. Spark Plugs
  207. EGR Valve , need help locating it
  208. filling coolant system after flush
  209. Tornado Fuel Saver
  210. EGR valve install question
  211. Where are my O2 Sensors?
  212. PCM? What now
  213. My timesert kit on ebay, reserve at $160!
  214. No speedo!!!
  215. Carbon buildup/ fuel additives/ opinions???
  216. 95 sts starting problems
  217. Should I fix or sell?
  218. could be 1 or 2 things idler pulley or water pump plz help
  219. Northstar driven 94 Pontiac Grand Prix GTP RWD
  220. Leaking Water Pump 1998 Deville
  221. Smoking Northstar!
  222. Engine rebuilt?
  223. Northstar Squealing noise
  224. Oil change
  225. performance exhaust
  226. '94 Concours Hard To Start
  227. P0113/P1111 - then what ?
  228. whast should a 94 north start run temp wise
  229. Changing Serpentine Belt
  230. Custom Intake
  231. Maintaining Northstar Engines *A must Read*
  232. Headgasket replacement finished
  233. N* engine mount bushings...what happens if...
  234. How to remove the belt tensioner?
  235. New Cadillac owner
  236. TO 73 code??????
  237. What are my options?
  238. 2000 DeVille - Stalling
  239. Temp Sensor
  240. Misfirin' 98 DeVille. How much $ is DTC p0300,603,1381 cost?
  241. Temperature sensor - another problem...
  242. 4 Questions / 93 STS w/ 4.6
  243. Lights flicker?
  244. lights that dim when...
  245. Glitch In 97 Concours
  246. alternator replacement part deux
  247. P086 code on 94 STS keep sme from getting it smogged
  248. Calling out 156mph
  249. Cadillac dealer...
  250. ShadowLvr400......