: Northstar Engines and System Technical Discussion



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  1. IPC Overides
  2. Speed limit setting on 98 STS
  3. My first code.
  4. Delorean with a northstar.. & 94 Camaro... Links attached
  5. 94 SLS Air Conditioner
  6. hey guys..newbie with some questions!
  7. O-2 Trouble codes
  8. Cadillac Thermostat
  9. Engine Stall/ shut down
  10. Oil Weight Question
  11. Northstar fuel economy?
  12. Passenger climate control
  13. HELP, service emissions eystem
  14. Dipstick 95 SLS
  15. Help with part #?
  16. STS 95: Hard gear shift
  17. power steering pump replacement- ? special tool
  18. 1998 Deville With Hard Starting And A Slight Gas Odor
  19. 1998 Seville rear wheel speed sensor
  20. Fluid Evacuators
  21. Bolt size ?
  22. Proper Spark plug gap?
  23. Prgramming Keyless Entry Remote 98 Deville
  24. Factory Service manuals
  25. Reset codes
  26. 1997 to 2000 engine swap
  27. 96 sts shifter handle
  28. temp guage 97 sts
  29. Diagnostic Troubleshooting
  30. Badly Misfiring 97 STS
  31. Spun bearings in my '94 STS
  32. drain plugs in 97 sts block WHERE?
  33. Best Aftermarket add ons...?
  34. 96 Eldorado
  35. Northstar Pics Please
  36. dynomax exhaust
  37. i need help with codes b2710,b2780
  38. Can't Figure Out How To Set IPC Overides
  39. Northstar in VW Golf. Link Attached.
  40. anyone doing THIS with their N*?
  41. Air Intake Kits
  42. GMPT PV8 (Northstar) engine Cylinder Liner help...
  43. If I Dont Use Premium Unleaded Will It Ruin My 96STS
  44. In English, Please...
  45. error codes
  46. 98 STS Codes
  47. 1999 Deville , Code says convertor is not locking up
  48. 98 Sedan Deville-TRANS HOT-IDLE ENGINE
  49. How do I changes coolant hose
  50. Performance Air Intake Kits ?
  51. N2O in my '98 STS
  52. head gasket and maintainence
  53. 1996 Cadillac Seville running hot? (or not) help needed
  54. help! 2500 rpm idle
  55. I got the codes, now what?
  56. Evap Soleniod
  57. 94 Concours getting 13 MPG What could be wrong?
  58. pcv valve
  59. Oil Amount Debate, Do you put in 7.5 quarts or less at oil change?
  60. What is code p1645 mean
  61. Oil change and coolant
  62. CHanging the top-speed cut-out.
  63. how much extra HP will i get
  64. Used northstar
  65. 94 STS bogging and stalling?
  66. Overheating-head gaskets-screw it!!!
  67. ETC Crossover Leak
  68. Fuel Rail Recall Update
  69. Norstar governor
  70. 2005 Bonneville gets N*
  71. Fuel Rail Recall Missinformation
  72. Scan Tool Questions
  73. CARFAX (engine / car serial Numbers)
  74. Who has done a lot of mods to NS powered cars?
  75. Oxygen sensor problems
  76. All was fine until... hard cold start prob
  77. No orange light in Park, D, 2,1 in cluster on Concours?
  78. new 99 eng for 97 how much is different?
  79. 96 deville error codes P0147 and P0146, where do I look?
  80. po741 error shifting problem
  81. Leaking coolant
  82. Cat-back systems
  83. Throttle Body Cleaning
  84. coolant temp sensor
  85. carfaxing a used northstar
  86. Exhaust crossover
  87. 1994 sts 94K miles overheating
  88. Timesert kit for sale
  89. rough idle
  90. IPC lights ....out
  91. 96 sts transmission
  92. Fuel Rail Recall, just got the letter
  93. Changing That Water Pump Belt
  94. headgasket repairs
  95. Traction Control & a code.....
  96. newb looking for part numbers
  97. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  98. Volant Air Intake
  99. Oil pressure check
  100. replacing my 96 northstar
  101. Where is it all?
  102. Will I suck her dry if....
  103. Shift Solenoid Kit Pics of Parts!!!!
  104. About to kick my caddy
  105. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  106. Northstar missing at idle
  107. Fuel Rail Leak on 98 Deville!!!
  108. Best Bar's Leak...C16 Liquid
  109. To replace or repair the n. star
  110. 97 Deville Question
  111. northstar extended warranty
  112. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  113. Gas miles -- Standard DeVille vs DTS
  114. Changing out Fuel Rail??
  115. intake manifold bolt torque?
  116. Strange Things Happing
  117. Gas pedal click
  118. Starting to get rough idle
  119. Fixin' to pull the engine
  120. Head Gasket Leak : NO OVERHEAT with coolant supplement
  121. TPS replacement problem
  122. Fuel Leak
  123. Northstar transplant and electronics
  124. Best way to prevent an oil leak on N*?
  125. 180F or 195F Thermostat for 94 N*?
  126. Misfiring and Service Engine light
  127. Coils / Intermittent "missing" on my 99 STS
  128. Hey Hotrodelectric
  129. Northstar Expectancy
  130. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  131. Ac
  132. Apparent Coolant Leak Below Water Pump
  133. What makes the Headgaskets go so often on early N*s?
  134. Engine Service Soon light on but no codes??? 94 Concours
  135. Perfect exahust flow for 1999 STS?
  136. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  137. oil pressure or electrical problems?
  138. Starting Problem
  139. Coolant leak 94 Concours
  140. Bar's Leaks, block seal: Head Gasket Repair ???
  141. Starter problem with '97 STS
  142. Caddy Northstar LMP 4.0 turbo
  143. I can't drive 55 (very far)
  144. Coolant Spuing
  145. Block Drain Plug- Coolant 4.6L
  146. Vacuum Harness????
  147. Piston Slapping site
  148. Help Again Bbobynski !! - Tranny Codes
  149. ? on buying a northstar engine
  150. Improve gas mileage with water??? Stupid or Scientific?
  151. Major head gasket problem
  152. 4.6 liters 300hp... 2.0 liters 200hp
  153. OBD II computer
  154. a question
  155. Oxytane?
  156. What Engines Can I Use???
  157. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  158. Fuel Rail Leak
  159. Rotten Egg
  160. '95 eldo TC fuel smell in cabin & hard-start
  161. can i use marvel mystery oil?
  162. Pros/cons Of Waterwetter For Northstar
  163. Over Heat Feature
  164. Torque Convertor Viscous?
  165. Can't find IP, TC, PZ, RS code info
  166. P056 easy fix
  167. Northstar misfire and backfire
  168. Throttle body size question, and HEADERS-where can I find some?????
  169. 93-94 wrist pin problems????
  170. Brand New Northstar Engine For $2500
  171. gunning cadillacs...was it NOT worth it? :-\
  172. Intake Assembly
  173. can 94 interchange with one another.
  174. Back fire in the induction system
  175. Caddy won't go into Overdrive Any ideas?
  176. Fastchip vs Superchip ...
  177. Coolant temp 250 is this too high? No warnings and fans on low?
  178. 0-60 specs: 95' N* impressive
  179. Swaping A From Y To 9
  180. need help
  181. 2000 Dts 60k Service?!?!?
  182. Revised Emissions Woes
  183. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  184. Chip for Eldo 95 LE
  185. 97 SLS Stalls Only On Hot Days
  186. Throttle body cleaning question
  187. Oil Pan Gasket Change
  188. Who agrees that the Northstar is due for an overhaul by Cadillac?
  189. High Speed fan switch not working/working well
  190. 94 concours has no warning info messages!!!!
  191. Reasons for a/c compressor inop ?
  192. Q. for anyone who knows re: FWD N* - Why Transverse?
  193. 93 seville driving on its own
  194. engine temp?
  195. Down To The Wire: last minute thoughts please
  196. where are the 25 horses
  197. North * reliability?
  198. "Induction Performance Service"?
  199. How do I know if I need the computer updated?
  200. Oil Pressure Drop
  201. ? for those with aftermarket intakes
  202. Coolant Overflow
  203. gunning cadillacs...is it worth it?
  204. 96 Eldorado heating up...
  205. 1994 Eldorado 4.6L Tapping Noise
  206. Cooling Temps.
  207. Hard shift outta 1st
  208. "Weeping" Head Gasket
  209. Obd1
  210. Help With Code 39 Tcc Off
  211. Idle Problems
  212. squeak on 97 deville
  213. crate 2000 Northstar in a 59 Chevy Suburban
  214. cold start/warm start
  215. 1994 SLS 4.6 Oil Pressure Switch Woes
  216. Colours
  217. Odd Tune Up Question
  218. P0741 TCC stuck off
  219. Pre 2000 Northstars
  220. ShadowLvr400
  221. Replace transaxle seals or not?
  222. Vacuum line routing?
  223. Bobynski!
  224. need rebuilt short block-Northstar
  225. aftermarket CPU ???
  226. 2001 deville go fast parts ???
  227. EGR Pintle Stuck????
  228. High Temps?
  229. Gear Shift Position Indicator 1994 STS
  230. Misfire/hesitation
  231. Race day mods?
  232. 97 Sedan Deville oil change
  233. motor idles eratically at start and then dies
  234. Low Oil Pressure 1994 SLS 4.6 144k
  235. Right or left, Help Please!!!
  236. Need Code Info
  237. 1996 sts need help won't start
  238. Engine crud @ head gasket repair
  239. One fan or two?
  240. Failed emissions....plugs and wires...?
  241. General Questoin
  242. Overheating --- Still!!!!!!!!
  243. What are these trouble codes? Help!
  244. AAARRRGHHH...Where's the #$@#) switch?!?!
  245. Help! Dealer wants $$ for recall fuel rail!
  246. Very Long, EBTCM
  247. Northstar Maintenance -Tune Up
  248. K&N filters
  249. Check engine soon ! Why ?
  250. Waterpump reliability