: Northstar Engines and System Technical Discussion



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