: Northstar Engines and System Technical Discussion



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  1. question about N* headgasket
  2. trans code
  3. No 4th gear...
  4. 02 sensor
  5. Northstar longevity! 323,000 miles!
  6. 95 Seville SLS Major Problems
  7. Found the SES P102 issue! Now A/C issue
  8. TPS and/or EGR needed?
  9. OBDII diagnostic codes
  10. P0102/B1009/U1301 and others HELP!!!
  11. Max throtle angle
  12. Throttle Position Sensor relearn
  13. Original or swapped N*
  14. New cdes!!!!
  15. 1995 Concours, Fuel injector size?
  16. Reading .Bins from proms?
  17. Coolant changed to green... problem?
  18. Northstar Rebuild --- Chime In, I have questions...
  19. Preventive Maintenance While Engines Out
  20. burn out? burn not.
  21. Removing Heli-coils
  22. DIC items???
  23. cost?
  24. Oil Cooler Lines
  25. Smell Coolant but from what?
  26. VIN and Performance Questions
  27. Small coolant leak
  28. check engine soon
  29. 1994 Northstar Swap
  30. Bbob, Purging/exchanging tranny fluid
  31. Rough running 2000 Seville
  32. northstar motor swap
  33. oil pan gasket change
  34. 4T80E hard shift
  35. black box under car????
  36. 93 eldorado
  37. 1987 Deville Stereo Question, Please help?
  38. Fuel Injector
  39. Car jerking in 3rd gear
  40. 98 Northstar Motor Whistle
  41. Head Bolts, fixed by what year?
  42. Good repair shop in DC/MD/VA area
  43. 2001 Cracked block??
  44. rough idle at start-up
  45. Chronic miss in 4.6L Northstar
  46. Engine Cold/Knock/Tick Noise (Replace Pistons)
  47. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  48. Performance Upgrades?
  49. 02 sensor
  50. service eng light when heat turned on
  51. Won't start - Inconsistent compression
  52. L37 vs LD8, actual differences?
  53. Need Help Please!!!
  54. High charging voltage, stumped?
  55. No start on cold days?
  56. Dealer Diagnosis - $3000 BS??
  57. has anyone had a problem with 98 sls dieing at a low idle?
  58. ABS - Traction Control
  59. help with codes please
  60. High performance ignition?
  61. Northstar Performance Enhacements?
  62. Power LOSS
  63. Has anybody done a S/C northstar yet?
  64. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  65. Traction Control Problem
  66. Bobbyinski -- Northstar failure
  67. Cold Engine Misfire
  68. DTCs from my flood car - help with diagnosis
  69. PCM code????
  70. how to pull dic codes?
  71. Dealer Installed Timesert Question
  72. 99 deville sounds/runs awful
  73. Oil pan gasket
  74. n.star water pump removal & install how-to
  75. Thinking of buying a Snap-On MT2500, any thoughts?
  76. Crankcase scrap rate.
  77. what years are compatible with my 93 STS?
  78. Aaaaagh! I should'v know better,
  79. Headlights wont cut off
  80. 2000+ engine in 1998 possible maybe?
  81. Service Engine Light Codes...Please Help
  82. Severe lack of performance
  83. Chk Emmisions/Chk Engine/Rough/Smelly
  84. code tc 0073 ?
  85. Leaking Radiator fixed
  86. RPM Surge at startup
  87. Engine Running Hot..239 at shut off
  88. 2000 deville clicking noise
  89. 1994 sts Idles @ 2-3 thousand RPM
  90. engine dies frequently-pc0231 the problem?
  91. Is this head gasket, or ? ? ?
  92. 94 Eldorado rough at slow speeds
  93. Particulars of VVT?
  94. Rough idle on cold start-up
  95. 5 reasons I LOVE my '94 n* DeVille
  96. Check Coolant Level after Water Pump R/R
  97. Engine Temperature
  98. MAT sensor, MAP sensor....
  99. Problems After Head Gasket Replacement...
  100. 98 Eldo running rough
  101. weight of the 4.6 northstar
  102. Computer programmer
  103. bent #1 con-rod 4.6 N* no signs!!?
  104. Oil leak?
  105. Thermostat sticking open?
  106. Volant Air Intake?
  107. Please Help With Problem On My Deville
  108. My new caddy...
  109. 4.6 litre dual turbo Northstar project, engine only?
  110. Oil pressure problem
  111. waterpump in a 98 Deville
  112. 93 STS Crank Position Sensors
  113. I need info!!!!
  114. high rpm northstar
  115. Misfire and SES light
  116. codes
  117. Rev Limiter in Park and Neutral??
  118. On Board diag?
  119. ? for Bbob re: engine designations
  120. Whats YOUR winter project?
  121. STS High Idle
  122. oil level message
  123. New member
  124. traction control light
  125. Engine "missing" during acceleration
  126. Vibration
  127. Repair cost
  128. Original v. New plug wires
  129. 94 Eldo Northstar No Spark - Why?
  130. Why is the left bank now the right bank?
  131. 1994 Northstar noise
  132. Question about Corsa exhaust
  133. Dont change my ATF???? Please Help!!!!
  134. "NEW" Northstar?
  135. 97 DeVille oil leak
  136. Cabin air filter
  137. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  138. Northstar ?s
  139. Spark Plugs
  140. Head Gasket Problem
  141. concours will not crank in cold weather
  142. ShortStar 3.5L oil usage
  143. Dealer Fuel Injection and Carbon Treatment
  144. AC-Delco part vs Cadillac
  145. Transmission Q? What would you do.
  146. Northstar CAD drawings ???
  147. Please Help with Instructions to Replace radiator
  148. Anybody notice? Bbob - not driving a Caddy?!
  149. Got codes P0201 P0204 P0206 P0207 P0300
  150. Is around town driving in 3rd OK?
  151. Fuel In Intake Manifold
  152. Aftermarker engine computers
  153. Need oversize timesert kit
  154. Timesert Process and Cost
  155. Water pump changed, still leaking coolant !!
  156. Running rough, really baffled
  157. Code P0420
  158. PCM Overrides?
  159. 97 concours service engine soon no codes
  160. Help
  161. Idle speed control actuator (motor)
  162. want more power!
  163. my return,enter 1994 cadillac STS (callista II)
  164. Bolt size to put on engine stand
  165. some code questions
  166. 95 seville code P039
  167. arcing at 7/8 coil???
  168. Failing fuel pump...
  169. oil under the intake
  170. Little update on my progress
  171. Very odd smell ???
  172. EGR cleaning
  173. Weird problem... or maybe not.
  174. Northstar Maf Table...i Need
  175. Time used to install twenty head-bolt time-serts
  176. Exhaust Sounds and vid
  177. temp display revisited....
  178. 96 Deville Need Help! Code P0171
  179. Shorted Fuel Pump (Reply to bbobynski)
  180. How to pull codes on OBD2 SLS Seville?
  181. Does anyone have a link for OBD2 Code Explanations?
  182. It Lives! (again)
  183. No problems with my N*, how bout you?
  184. Weird DTC message...?
  185. Water pump tool
  186. 4T80E or 4T60E
  187. 4T60E Trans............
  188. Bbob, question about a P0300
  189. Water Pump Tensioner Question??
  190. Please Help My Caddy
  191. Loud Valve Tapping 2002 Sts
  192. new crankshaft but........
  193. What is a timesert?
  194. Squealing pulley?
  195. Water Pump Change /Coolant Supplement Question
  196. Deville oil leak
  197. I increased gas milage
  198. 1996 Deville dead after hitting rock
  199. were can i buy water resourvoir
  200. motor mounts
  201. pulley problem
  202. very good find
  203. Strange Knocking. '98 STS
  204. Spark Plugs, Interesting observation
  205. '97 STS coolant temp - what SHOULD it be?
  206. Oil low pressure on 1996 4.5L Northstar
  207. electrical trouble
  208. 98 deville please help northstar lover with 3 problems
  209. Crank position sensors
  210. Codes - P0171 & P0174 96 STS
  211. Code listing for 94 Eldorado
  212. Uneven torque on main bolts?
  213. Where is the oil level sensor located?
  214. Hard starting.
  215. Torque Converter Operating @ 422 Deg. Celcius?
  216. 95 SLS - 2 Fuel Filters????
  217. 95 Sls Service Engine Light
  218. Transmission Input Speed Sensor need help??
  219. 94 Eldorado engine revs at stops
  220. Slight Coolant Smell....
  221. Towing Airstream trailer with '94 N*
  222. Backfiring through intake causes????
  223. flashing check engine.. shakey idle - 96 sts
  224. My '97 STS tune up experience...
  225. 96 deville north* is missing
  226. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  227. o2 sensor---good/bad ?????
  228. Turbo chargin the N*? Might be possible!!!
  229. Traction Controll/ ABS Code Question
  230. Northstar coolant pellets?
  231. Where can I look up part numbers?
  232. 96 Aurora throttle position sensor location
  233. Northstar water crossover
  234. FSMs and such
  235. O2 sensor Question
  236. Power Steering Assist Intermittent
  237. Spark Plug Wires
  238. "Check Coolant Level" - on then off?
  239. Overtightened Balancer
  240. Head gasket blown? Help!
  241. How do I get the Temp reading?
  242. How hard to R/R Fuel filter?
  243. Miss or Studder around 45-50
  244. 94 SLS rad fan switching sensor
  245. Tranny rebuild
  246. Plug wires - what are they good for?
  247. Where are Crank Position Sensors on 2000 Deville
  248. New engine in 2002 STS, is it worth it?
  249. Horrible God-aweful squeaking!
  250. Parts List for Timesert Repair