: Northstar Engines and System Technical Discussion



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