: Northstar Engines and System Technical Discussion



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