: Northstar Engines and System Technical Discussion



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