: Northstar Engines and System Technical Discussion



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  1. 94 eldorado W/coolant in oil
  2. Growe3, Engine Removal Questions
  3. My .02 on Carbon
  4. N* plugs & wires: DIY or leave it for the pros?
  5. MAP sensor
  6. Lucus Products? Fuel Injector Cleaner
  7. Need Northstar Advic
  8. questions before installing new idle speed motor
  9. 94' Sls Pcm
  10. my first mod
  11. coolant leak - is this a bad fix?
  12. 96 Eldorado Oil leak
  13. Northstar dimensions
  14. Mechanic needs help, NS killing ICM
  15. Just told driveshaft is shot. What should I do?
  16. Timesert kit FS! $130 Shipped!
  17. Is my mechanic pulling a 'fast one'?
  18. Sluggish when driving
  19. 1998 Cai??
  20. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  21. Error Codes and Diagnostic Mode Explained
  22. Head bolt retorque method recommendation needed
  23. Is New Exhaust Hurting MPG?
  24. 1998 STS A/C Problems
  25. traction control sucks!
  26. tranny troubles in Montana
  27. flashing number on display
  28. Which Fuel Company
  29. Oil pressure problems
  30. No power from Northstar on '98 Deville
  31. bosch 4's????
  32. Oil Under Intake Manifold on Northstar
  33. Complicated spark problem on 94/99 Northstar engine
  34. 96 Eldo Warm Eng. Miss No Codes
  35. Every North* blows head gaskets??????
  36. 97 STS P0300 Current/P0603 History SES light
  37. Shift Solenoid "A" and "B" question
  38. whats the difference
  39. Head gaskets on 1993 Allante Northstar
  40. Got codes Help Please
  41. How do I Access OBCII 98 DeVille
  42. good buy?
  43. Fuel Pressure Loss
  44. Crank Sensor--Revisited
  45. Suddenly running rough
  46. Northstar Stalls On Restart
  47. northstar engine swap info
  48. Yep She's A Leaker
  49. Fuel economy post 60k service?
  50. Fuel rail leak--another thorn in the side
  51. anyon know where i can get a chip?
  52. 4.6 running rough at idle in gear
  53. Codes
  54. wat should i do to my car
  55. Annoying engine noise
  56. How long to check codes?
  57. 93 STS Overheated, now idles high. PLEASE HELP
  58. Engine Stalling at traffic light
  59. Coolant Supplement Tablet question
  60. Trans or can it be Electrical
  61. help wilth coede PO23
  62. my 94 SLS code problems help!!
  63. Transmission help!!
  64. Where is the EGR valve located?
  65. clearing codes
  66. How To Fix Clicking Throttle Body
  67. Where can I buy a new EGR valve at a good price?
  68. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  69. Coolant Flush?
  70. Random Multiple Cylinder Misfire
  71. Idle seems rough.
  72. how to avoid cracked heads?
  73. Can you put in too much coolant?
  74. Dex-Cool
  75. Engine Coolant
  76. Weird?
  77. oil pressure loss "STOP ENGINE" warning FIX
  78. Impossible To Fix Overheating Problem
  79. Leaking coolant? Head gasket???
  80. 4t80-e transmission leakage
  81. Resonator Question..
  82. 96 Eldo Warm Eng. Miss. Acceleration Miss.
  83. How do I retrive codes
  84. Help! Service Emissions Soon and Check Engine
  85. Can you repair the fuel rail
  86. Where to get Northstar computer and harness??
  87. A Little Head
  88. 97 Eldo running weak!
  89. Ok, I've pulled the codes and decoded them...
  90. How do I pull codes off my 97 SLS?
  91. help!!...no start and no power at purple wire
  92. slow return to idle (95 sts)
  93. surging under WOT
  94. where do i get performance chips
  95. EMERGENCY----c1232 and c1255
  96. SUPERCHARGER soon
  97. Fuel Problem. TPS or a cleaning?
  98. Northstar needs engine protectors ?
  99. Spark Plug and Wire Change Summary
  100. Help! 96 STS Stalling and Barely Drives
  101. Bad oil Leak
  102. Is it possible to go from 4.1 to Northstar?
  103. need help on replacing the idle speed control motor
  104. Fuel Rail Replacement 96 sts
  105. ISO mechanic for 95 Seville in NE Illinois/SE Wisconsin
  106. N.Star Deville afermarket Tachometer ?
  107. Northstar Electromotive TEC3 .bin file needed
  108. Blown Head Gasket...Help!!
  109. STS Computer Into Deville?
  110. Frozen Spark Plugs
  111. thanks elwesso,lido
  112. Eldorado Exhaust??
  113. Frenchcad Is Asking For Help To Burn Speed Limit...
  114. car won't start!
  115. 95 STS corrosion
  116. One Dead Deville 1999
  117. 94' SLS t073 erratic idle & stalling
  118. 2000sts trouble codes
  119. check engine soon????????
  120. 99 STS Gas pedal sticking
  121. 94 Northstar question
  122. BG44k
  123. (Pressing gas) CLUNK.. What the heck?
  124. Fuel Additives
  125. Loud Pop
  126. help with some error codes 96 etc.
  127. Increasing Displacement
  128. 4T80E gearing
  129. Holy hell, i tried that Lucus oil additive....
  130. "Stop Engine Low Oil Pressure"
  131. Gas MPG low? and electrical question
  132. need help again, new code
  133. Failed Emission - high HC
  134. Stalling/Starting Problem
  135. 91 vw golf with northstar!!must see
  136. Looking for a source of Northstar Engines
  137. egr
  138. Starter Enable Relay!! Found it, Cleaned it, Fixed it.!!!
  139. Northstar head compatibility
  140. 96 Oil Leak
  141. Parts swapping
  142. Is there a GM TSB for the use of Time-Serts?
  143. 2000 Sts Exhaust
  144. 97 STS eliminate the converter?
  145. Exhaust question
  146. Limp yo-self home, N*!
  147. Trans. Problem?
  148. where is the starter relay, 1993 sts northstar
  149. Transmission flush?
  150. Forum Opinion on 2000 STS
  151. PLEASE!!! -4 and under, lights on,no power to starter!!
  152. dtc pcm 0139 now what?
  153. 1995 sts,manifold cover
  154. Check Coolant Level Message & temp. question
  155. overdrive or drive
  156. Code in history ? P039
  157. Dtc P0101
  158. How to pull engine codes and where to find?
  159. Performance mods!
  160. Diry relief valve causing loss of oil pressure?
  161. 95 STS Water Pump Question.
  162. NOLOGY wires for northstar motors
  163. northstar question
  164. Code SO61? PO83?
  165. Clicking noise
  166. Huge muffler comparison
  167. Fixed the egr valve myself
  168. Does Northstar turn off cylinders like 4-6-8?
  169. Fuel Additives
  170. Problems with N* arise
  171. Diagnostic Code?
  172. Went to a mechanic today on EGR
  173. Thoughts, opinions, and suggestions on carbon deposits.
  174. Year 2000 Northstar 32V engine oil consumption problem?
  175. Spark Plugs
  176. EGR Valve , need help locating it
  177. filling coolant system after flush
  178. Tornado Fuel Saver
  179. EGR valve install question
  180. Where are my O2 Sensors?
  181. PCM? What now
  182. My timesert kit on ebay, reserve at $160!
  183. No speedo!!!
  184. Carbon buildup/ fuel additives/ opinions???
  185. 95 sts starting problems
  186. Should I fix or sell?
  187. could be 1 or 2 things idler pulley or water pump plz help
  188. Northstar driven 94 Pontiac Grand Prix GTP RWD
  189. Leaking Water Pump 1998 Deville
  190. Smoking Northstar!
  191. Engine rebuilt?
  192. Northstar Squealing noise
  193. Oil change
  194. performance exhaust
  195. '94 Concours Hard To Start
  196. P0113/P1111 - then what ?
  197. whast should a 94 north start run temp wise
  198. Changing Serpentine Belt
  199. Custom Intake
  200. Maintaining Northstar Engines *A must Read*
  201. Headgasket replacement finished
  202. N* engine mount bushings...what happens if...
  203. How to remove the belt tensioner?
  204. New Cadillac owner
  205. TO 73 code??????
  206. What are my options?
  207. 2000 DeVille - Stalling
  208. Temp Sensor
  209. Misfirin' 98 DeVille. How much $ is DTC p0300,603,1381 cost?
  210. Temperature sensor - another problem...
  211. 4 Questions / 93 STS w/ 4.6
  212. Lights flicker?
  213. lights that dim when...
  214. Glitch In 97 Concours
  215. alternator replacement part deux
  216. P086 code on 94 STS keep sme from getting it smogged
  217. Calling out 156mph
  218. Cadillac dealer...
  219. ShadowLvr400......
  220. 4.6 northstar / engine, Trans swap ?
  221. TRANSMISSION/Torque convertor problems??? HELP!!!
  222. Nitrous
  223. More on coolant issues....Long post alert!
  224. '95 STS Clearing on-board diagnostic codes
  225. Quick and Simple Question
  226. 2000 STS Oil Life
  227. Calling all North* Specialist....Changing out the Alternator
  228. Service Engine Soon? What's that Noise?
  229. Dashboard mayhem
  230. weird?
  231. Need Technical Help for Engine swaping...
  232. Anyone have an opinion on electric superchargers?
  233. Will '95 coil pack, intake or exhaust fit my '93 N*?
  234. northstar performance upgrades
  235. Exhaust manifold ?
  236. Please help! Considering a '94 Deville Concours N'star
  237. New member, trying to find out if oil burning is ok!
  238. Repair Advice Needed in Orange County, CA
  239. P030 Code on '93 STS
  240. "no battery charge"
  241. "check oil level"
  242. '95 STS showing SES code: P085
  243. Which o2 sensor??
  244. Code PO24-VSS Signal To TCC-Where is It Located At?
  245. TPS - Problems
  246. thermal meltdown of n* engine ?
  247. Are Gremlins pinching my fuel line? ARGHHH!!
  248. 2002 engine into 97 Deville?
  249. Tune up?
  250. Freeze plugs ( So called )