: Northstar Engines and System Technical Discussion



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  1. Eldo Mods? chip, exhaust, nos, ect.
  2. 3 more radiator queries
  3. 2 more radiator drain queries
  4. Transmission Pressuse Solenoid
  5. 95 Concours Put Barsleak in canister
  6. 96 Deville codes pco603 and pco717
  7. Reset codes?
  8. "Flush" coolant?
  9. ETCBM (traction control computer)
  10. 1996 DeVille Northstar
  11. Motor mount help needed!
  12. 1994 STS First Roadtrip Coolant Temp
  13. Break In Oil
  14. question about N* headgasket
  15. trans code
  16. No 4th gear...
  17. 02 sensor
  18. Northstar longevity! 323,000 miles!
  19. 95 Seville SLS Major Problems
  20. Found the SES P102 issue! Now A/C issue
  21. TPS and/or EGR needed?
  22. OBDII diagnostic codes
  23. P0102/B1009/U1301 and others HELP!!!
  24. Max throtle angle
  25. Throttle Position Sensor relearn
  26. Original or swapped N*
  27. New cdes!!!!
  28. 1995 Concours, Fuel injector size?
  29. Reading .Bins from proms?
  30. Coolant changed to green... problem?
  31. Northstar Rebuild --- Chime In, I have questions...
  32. Preventive Maintenance While Engines Out
  33. burn out? burn not.
  34. Removing Heli-coils
  35. DIC items???
  36. cost?
  37. Oil Cooler Lines
  38. Smell Coolant but from what?
  39. VIN and Performance Questions
  40. Small coolant leak
  41. check engine soon
  42. 1994 Northstar Swap
  43. Bbob, Purging/exchanging tranny fluid
  44. Rough running 2000 Seville
  45. northstar motor swap
  46. oil pan gasket change
  47. 4T80E hard shift
  48. black box under car????
  49. 93 eldorado
  50. 1987 Deville Stereo Question, Please help?
  51. Fuel Injector
  52. Car jerking in 3rd gear
  53. 98 Northstar Motor Whistle
  54. Head Bolts, fixed by what year?
  55. Good repair shop in DC/MD/VA area
  56. 2001 Cracked block??
  57. rough idle at start-up
  58. Chronic miss in 4.6L Northstar
  59. Engine Cold/Knock/Tick Noise (Replace Pistons)
  60. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  61. Performance Upgrades?
  62. 02 sensor
  63. service eng light when heat turned on
  64. Won't start - Inconsistent compression
  65. L37 vs LD8, actual differences?
  66. Need Help Please!!!
  67. High charging voltage, stumped?
  68. No start on cold days?
  69. Dealer Diagnosis - $3000 BS??
  70. has anyone had a problem with 98 sls dieing at a low idle?
  71. ABS - Traction Control
  72. help with codes please
  73. High performance ignition?
  74. Northstar Performance Enhacements?
  75. Power LOSS
  76. Has anybody done a S/C northstar yet?
  77. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  78. Traction Control Problem
  79. Bobbyinski -- Northstar failure
  80. Cold Engine Misfire
  81. DTCs from my flood car - help with diagnosis
  82. PCM code????
  83. how to pull dic codes?
  84. Dealer Installed Timesert Question
  85. 99 deville sounds/runs awful
  86. Oil pan gasket
  87. n.star water pump removal & install how-to
  88. Thinking of buying a Snap-On MT2500, any thoughts?
  89. Crankcase scrap rate.
  90. what years are compatible with my 93 STS?
  91. Aaaaagh! I should'v know better,
  92. Headlights wont cut off
  93. 2000+ engine in 1998 possible maybe?
  94. Service Engine Light Codes...Please Help
  95. Severe lack of performance
  96. Chk Emmisions/Chk Engine/Rough/Smelly
  97. code tc 0073 ?
  98. Leaking Radiator fixed
  99. RPM Surge at startup
  100. Engine Running Hot..239 at shut off
  101. 2000 deville clicking noise
  102. 1994 sts Idles @ 2-3 thousand RPM
  103. engine dies frequently-pc0231 the problem?
  104. Is this head gasket, or ? ? ?
  105. 94 Eldorado rough at slow speeds
  106. Particulars of VVT?
  107. Rough idle on cold start-up
  108. 5 reasons I LOVE my '94 n* DeVille
  109. Check Coolant Level after Water Pump R/R
  110. Engine Temperature
  111. MAT sensor, MAP sensor....
  112. Problems After Head Gasket Replacement...
  113. 98 Eldo running rough
  114. weight of the 4.6 northstar
  115. Computer programmer
  116. bent #1 con-rod 4.6 N* no signs!!?
  117. Oil leak?
  118. Thermostat sticking open?
  119. Volant Air Intake?
  120. Please Help With Problem On My Deville
  121. My new caddy...
  122. 4.6 litre dual turbo Northstar project, engine only?
  123. Oil pressure problem
  124. waterpump in a 98 Deville
  125. 93 STS Crank Position Sensors
  126. I need info!!!!
  127. high rpm northstar
  128. Misfire and SES light
  129. codes
  130. Rev Limiter in Park and Neutral??
  131. On Board diag?
  132. ? for Bbob re: engine designations
  133. Whats YOUR winter project?
  134. STS High Idle
  135. oil level message
  136. New member
  137. traction control light
  138. Engine "missing" during acceleration
  139. Vibration
  140. Repair cost
  141. Original v. New plug wires
  142. 94 Eldo Northstar No Spark - Why?
  143. Why is the left bank now the right bank?
  144. 1994 Northstar noise
  145. Question about Corsa exhaust
  146. Dont change my ATF???? Please Help!!!!
  147. "NEW" Northstar?
  148. 97 DeVille oil leak
  149. Cabin air filter
  150. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  151. Northstar ?s
  152. Spark Plugs
  153. Head Gasket Problem
  154. concours will not crank in cold weather
  155. ShortStar 3.5L oil usage
  156. Dealer Fuel Injection and Carbon Treatment
  157. AC-Delco part vs Cadillac
  158. Transmission Q? What would you do.
  159. Northstar CAD drawings ???
  160. Please Help with Instructions to Replace radiator
  161. Anybody notice? Bbob - not driving a Caddy?!
  162. Got codes P0201 P0204 P0206 P0207 P0300
  163. Is around town driving in 3rd OK?
  164. Fuel In Intake Manifold
  165. Aftermarker engine computers
  166. Need oversize timesert kit
  167. Timesert Process and Cost
  168. Water pump changed, still leaking coolant !!
  169. Running rough, really baffled
  170. Code P0420
  171. PCM Overrides?
  172. 97 concours service engine soon no codes
  173. Help
  174. Idle speed control actuator (motor)
  175. want more power!
  176. my return,enter 1994 cadillac STS (callista II)
  177. Bolt size to put on engine stand
  178. some code questions
  179. 95 seville code P039
  180. arcing at 7/8 coil???
  181. Failing fuel pump...
  182. oil under the intake
  183. Little update on my progress
  184. Very odd smell ???
  185. EGR cleaning
  186. Weird problem... or maybe not.
  187. Northstar Maf Table...i Need
  188. Time used to install twenty head-bolt time-serts
  189. Exhaust Sounds and vid
  190. temp display revisited....
  191. 96 Deville Need Help! Code P0171
  192. Shorted Fuel Pump (Reply to bbobynski)
  193. How to pull codes on OBD2 SLS Seville?
  194. Does anyone have a link for OBD2 Code Explanations?
  195. It Lives! (again)
  196. No problems with my N*, how bout you?
  197. Weird DTC message...?
  198. Water pump tool
  199. 4T80E or 4T60E
  200. 4T60E Trans............
  201. Bbob, question about a P0300
  202. Water Pump Tensioner Question??
  203. Please Help My Caddy
  204. Loud Valve Tapping 2002 Sts
  205. new crankshaft but........
  206. What is a timesert?
  207. Squealing pulley?
  208. Water Pump Change /Coolant Supplement Question
  209. Deville oil leak
  210. I increased gas milage
  211. 1996 Deville dead after hitting rock
  212. were can i buy water resourvoir
  213. motor mounts
  214. pulley problem
  215. very good find
  216. Strange Knocking. '98 STS
  217. Spark Plugs, Interesting observation
  218. '97 STS coolant temp - what SHOULD it be?
  219. Oil low pressure on 1996 4.5L Northstar
  220. electrical trouble
  221. 98 deville please help northstar lover with 3 problems
  222. Crank position sensors
  223. Codes - P0171 & P0174 96 STS
  224. Code listing for 94 Eldorado
  225. Uneven torque on main bolts?
  226. Where is the oil level sensor located?
  227. Hard starting.
  228. Torque Converter Operating @ 422 Deg. Celcius?
  229. 95 SLS - 2 Fuel Filters????
  230. 95 Sls Service Engine Light
  231. Transmission Input Speed Sensor need help??
  232. 94 Eldorado engine revs at stops
  233. Slight Coolant Smell....
  234. Towing Airstream trailer with '94 N*
  235. Backfiring through intake causes????
  236. flashing check engine.. shakey idle - 96 sts
  237. My '97 STS tune up experience...
  238. 96 deville north* is missing
  239. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  240. o2 sensor---good/bad ?????
  241. Turbo chargin the N*? Might be possible!!!
  242. Traction Controll/ ABS Code Question
  243. Northstar coolant pellets?
  244. Where can I look up part numbers?
  245. 96 Aurora throttle position sensor location
  246. Northstar water crossover
  247. FSMs and such
  248. O2 sensor Question
  249. Power Steering Assist Intermittent
  250. Spark Plug Wires