: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 [32] 33

  1. '95 STS showing SES code: P085
  2. Which o2 sensor??
  3. Code PO24-VSS Signal To TCC-Where is It Located At?
  4. TPS - Problems
  5. thermal meltdown of n* engine ?
  6. Are Gremlins pinching my fuel line? ARGHHH!!
  7. 2002 engine into 97 Deville?
  8. Tune up?
  9. Freeze plugs ( So called )
  10. 94 Concourse Shifting Problem
  11. I smell gas in my 95 concours
  12. message
  13. update on my 97 concours
  14. NA power out of a North*?
  15. 2002 what does loss of dim communication?
  16. Turbos put back?
  17. Leaking Heater Core in 1999 DeVelle
  18. Overheating: Am I screwed?
  19. Bolting filter right on the motor
  20. 94 Eldorado Oil level sensor problem
  21. o2 sensors!!!!!! argggggggg
  22. Help Codes Driving Me Insane
  23. Funny Smell
  24. 94 Seville STS History Codes???
  25. Emissions Code on 1996 STS
  26. Real unhappy with (my new) used caddy - Can't ID the DTC's
  27. Opinions on possible purchase 91 Deville
  28. Signs you need a tuneup?
  29. R/r water pump
  30. Help Me!
  31. Hard Starting STS
  32. OBD2 Reprogramming
  33. Chip or no chip?
  34. Northstar R&R Book Times
  35. Northstars & oil consumption...are there "good" & "bad" motors?
  36. 275hp to 300hp head swap question
  37. Northstar Aftermarket Support
  38. Do Northstars burn oil fast???
  39. Help!!
  40. Northstar overheating
  41. Most common problems with NS motor
  42. Engine size ?????
  43. What is the deal with the Crank Position Sensor and...
  44. sneaky coolant leak, Northstar
  45. Bad plug wires get you crazy codes
  46. stupid dipstick
  47. N* Head Gasket repair part I/ Remove engine
  48. idle speed adjust?
  49. Belt Question
  50. Emissions System
  51. 99 SLS probelms
  52. help with codes?
  53. Head Work
  54. New person here - piston replacement question
  55. How to get to plugs on 00 STS?
  56. 1995 SLS Engine and Trans
  57. tps 1995 sts adjusted
  58. are the '93 and '95 northstar computers the same?
  59. Cracked Water Pump Housing Northstar
  60. Erratic fuel level gauge & a few other ???
  61. Time serts head gaskets and cadillac refunds
  62. 1990 Sedan Deville Valve Job
  63. Limited slip...sort of
  64. Octane reading
  65. Check Oilk Level wont stop
  66. Please help..engine coolant ?....
  67. Traction Control on STS ???
  68. 96 Seville, Check Engine Light, New owner?
  69. Help with cooling system
  70. ? on seville northstar motor?
  71. Help! I have a 1997 Concours(traction c) I would love to know where this wire goes??
  72. maintenence records?
  73. rear windows fog up
  74. Northstar - Golf swap
  75. PCM codes
  76. 1997 Deville problems
  77. Smelling Coolant inside - 93 STS
  78. Battery Replacement on 95 STS
  79. Service Brake Fluid Switch
  80. Transmition shifting ?'s
  81. Engine cutout 93STS north*
  82. Oil Life Message Problem
  83. Can I get some pictures (N* mounting)?
  84. OBD codes
  85. 95-sts wont start
  86. idle sts-95
  87. Anyone know where I can find cheap o2 sensors?!
  88. So....someone wanna rent me a timesert kit?
  89. Ignition module failure?
  90. Need help understanding a code
  91. Best oil for Northstar engines?
  92. Northstar questions: engine and tranny mounts
  93. Service Engine Light
  94. Idle speed
  95. Intermitant DTC P1416, where do I start looking?
  96. phenolic spacers cleaning
  97. Regular Unleaded
  98. Throttle Body
  99. 97 Concours....SOLD!
  100. Help Codes
  101. Thermostat
  102. 4.0/4.6 Combustion Chambers
  103. Intake air sensor / resistor mod
  104. valve job? something burning......
  105. Easy method of telling you need a coolant change!!!!!
  106. 97 dedan deville speedometer display out...
  107. 4.6L engine knock at idle
  108. High Performance driving
  109. Starting Issue
  110. High octane
  111. 4.6L engine knock at idle
  112. Headgaskets
  113. hard starting, won't pass smog symptoms
  114. Info on converter lock,,code PO39
  115. Northstar engine numbers
  116. Locking converter/check engine SOON
  117. How to replace front motor MOUNT
  118. can any one help
  119. Motor Rocks
  120. Torque converter lockup?
  121. Help!
  122. Regular Gas
  123. Nitrous Kit for Northstars - It exists
  124. why do people tell me northstars are junk?
  125. Coolant Loss
  126. VERY slight valve knock on '98 STS Northstar?
  127. Won't shift out of 1st gear
  128. Let's get some performance parts!
  129. Just how fragile are they?
  130. experienced mechanic in Los Angeles
  131. RWD 5-speeds
  132. Let's get an OBD Programmer...
  133. Limiters on 96 STS
  134. 1996 northstar in 95 eldorado - Strange things happening!
  135. Technical Photo Section?
  136. service engine light is on
  137. engine compatibility
  138. code help please
  139. 99' STS low-end torque is sluggish?
  140. Blessed With Head Gasket Leakage as Well...
  141. timesert kit
  142. performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)
  143. Can the 300 HP be swapped with 275 HP motor?
  144. North star motor swap
  145. Diagnostic codes and running rough
  146. cam timing tool
  147. Hard Shifting Transmision
  148. Squeek, scrape, whir.
  149. transmission removal in 94 eldorado???
  150. 2001 seville sparkplug location
  151. need advice-- cooling
  152. engine removal and install procedures
  153. Temperature problem???
  154. Starter replacement, what is the easiest way?
  155. Bearings?
  156. are northstars interferene engines?
  157. northstar head warpage?
  158. "LOW ENGINE COOLANT" came on...
  159. timeserts
  160. Northstar idle speed motor instsall
  161. Rss (c)1743, 1783, 1785 ??
  162. 4T80E drain plug location?
  163. Missfire 93 sts
  164. Idle is higher than normal and fluctuates
  165. STS 13:63, you ask how?
  166. Ok I can check my codes but how do you check them individually?
  167. Cadillac Hot Rodders!
  168. Keyless Entry Programming Procedure
  169. How to change Trans. Fluid?
  170. Borla exhaust needs your help
  171. Where's the Chip?
  172. Battery No Charge light on/ Alternator?
  173. New Owner Can I work on My Seville N* myself? Is it too electronic?
  174. northstars
  175. I am New here
  176. spark plug wires
  177. Sudden Stall
  178. What would you do? (fun project)
  179. Problems that were fixed (technical question)
  180. Waterpump Replacement
  181. I broke it!!
  182. 1999 Caddy Seville Sts
  183. High Mileage Northstar Thread: Who can beat me?
  184. 120,000 Miles on a Northstar?
  185. Rusted Fuel Filter
  186. Need some technical help/ suggestions from guys that know!!
  187. turbo for a northstar?
  188. Difference in 275HP & 300HP Engines
  189. Heads
  190. What size rims ....... (technical info)
  191. 95 SLS how to check coolant levels?
  192. Looking for Time sert kit
  193. Mobil 1 Synthetic Oil
  194. Screen in the intake system
  195. 100,000+ questions
  196. PVC Valve and Fuel Filter
  197. how to seperate the trans form the motor etc
  198. Ways to tell if your northstar motor is blown........look
  199. General Deville Maintenance
  200. New street rodder issue has N* Part 2!
  201. Need supporting info RE: 4.6 head bolts
  202. Northstar motor blown at 80,000 help...........
  203. Throttel Body Plate Size ???
  204. Caddy transplant
  205. 00 - 03 Seville questions:
  206. Northstar oil burning - what to do?
  207. That Coolant thing...
  208. B1136
  209. Allante losing coolant via bypass
  210. 2000 Dts - Rough Idle
  211. Resetting Change Oil Message
  212. finally made a few mods to the STS
  213. Knock sensor blues!!!
  214. Emission Message
  215. New Struts? When to replace them.
  216. Oil
  217. STSi heads availability
  218. seeping head gasket
  219. Premium Fuel
  220. just wanted to say hi to everyone!!!!!
  221. NOS on northstar??
  222. engine squeeking
  223. Engine Problems?
  224. Engine/Coolant Temp?
  225. How much to rebuild a northstar?
  226. Is there a SLS/STS performance chip/programer yet?
  227. how to turn off tractin
  228. "Check Oil Level"
  229. coolant color
  230. Firing order-
  231. engine miss
  232. North* with a manual?????
  233. Gasoline question
  234. sls tranny problem
  235. Hot Rod Caddy or LS1?
  236. upper motor mount part numbers?
  237. Cooling system sealants....
  238. A word about air filters
  239. Some Interesting facts...
  240. Transmission valve box?
  241. SES light
  242. Northstar STS story
  243. Clearing codes
  244. Oil in Coolant
  245. Is it just me, or did they use a shoehorn to get the N'Star under the hood of my STS?
  246. 2K 4.6 NS- No worries or no probs mentioned YET??
  247. Intermittent Hesitation
  248. Hey guys..quick question!
  249. How Strong is the Northstar Bottom End?
  250. tranny slipage on 97 deville