: 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

  1. Fixed the egr valve myself
  2. Does Northstar turn off cylinders like 4-6-8?
  3. Fuel Additives
  4. Problems with N* arise
  5. Diagnostic Code?
  6. Went to a mechanic today on EGR
  7. Thoughts, opinions, and suggestions on carbon deposits.
  8. Year 2000 Northstar 32V engine oil consumption problem?
  9. Spark Plugs
  10. EGR Valve , need help locating it
  11. filling coolant system after flush
  12. Tornado Fuel Saver
  13. EGR valve install question
  14. Where are my O2 Sensors?
  15. PCM? What now
  16. My timesert kit on ebay, reserve at $160!
  17. No speedo!!!
  18. Carbon buildup/ fuel additives/ opinions???
  19. 95 sts starting problems
  20. Should I fix or sell?
  21. could be 1 or 2 things idler pulley or water pump plz help
  22. Northstar driven 94 Pontiac Grand Prix GTP RWD
  23. Leaking Water Pump 1998 Deville
  24. Smoking Northstar!
  25. Engine rebuilt?
  26. Northstar Squealing noise
  27. Oil change
  28. performance exhaust
  29. '94 Concours Hard To Start
  30. P0113/P1111 - then what ?
  31. whast should a 94 north start run temp wise
  32. Changing Serpentine Belt
  33. Custom Intake
  34. Maintaining Northstar Engines *A must Read*
  35. Headgasket replacement finished
  36. N* engine mount bushings...what happens if...
  37. How to remove the belt tensioner?
  38. New Cadillac owner
  39. TO 73 code??????
  40. What are my options?
  41. 2000 DeVille - Stalling
  42. Temp Sensor
  43. Misfirin' 98 DeVille. How much $ is DTC p0300,603,1381 cost?
  44. Temperature sensor - another problem...
  45. 4 Questions / 93 STS w/ 4.6
  46. Lights flicker?
  47. lights that dim when...
  48. Glitch In 97 Concours
  49. alternator replacement part deux
  50. P086 code on 94 STS keep sme from getting it smogged
  51. Calling out 156mph
  52. Cadillac dealer...
  53. ShadowLvr400......
  54. 4.6 northstar / engine, Trans swap ?
  55. TRANSMISSION/Torque convertor problems??? HELP!!!
  56. Nitrous
  57. More on coolant issues....Long post alert!
  58. '95 STS Clearing on-board diagnostic codes
  59. Quick and Simple Question
  60. 2000 STS Oil Life
  61. Calling all North* Specialist....Changing out the Alternator
  62. Service Engine Soon? What's that Noise?
  63. Dashboard mayhem
  64. weird?
  65. Need Technical Help for Engine swaping...
  66. Anyone have an opinion on electric superchargers?
  67. Will '95 coil pack, intake or exhaust fit my '93 N*?
  68. northstar performance upgrades
  69. Exhaust manifold ?
  70. Please help! Considering a '94 Deville Concours N'star
  71. New member, trying to find out if oil burning is ok!
  72. Repair Advice Needed in Orange County, CA
  73. P030 Code on '93 STS
  74. "no battery charge"
  75. "check oil level"
  76. '95 STS showing SES code: P085
  77. Which o2 sensor??
  78. Code PO24-VSS Signal To TCC-Where is It Located At?
  79. TPS - Problems
  80. thermal meltdown of n* engine ?
  81. Are Gremlins pinching my fuel line? ARGHHH!!
  82. 2002 engine into 97 Deville?
  83. Tune up?
  84. Freeze plugs ( So called )
  85. 94 Concourse Shifting Problem
  86. I smell gas in my 95 concours
  87. message
  88. update on my 97 concours
  89. NA power out of a North*?
  90. 2002 what does loss of dim communication?
  91. Turbos put back?
  92. Leaking Heater Core in 1999 DeVelle
  93. Overheating: Am I screwed?
  94. Bolting filter right on the motor
  95. 94 Eldorado Oil level sensor problem
  96. o2 sensors!!!!!! argggggggg
  97. Help Codes Driving Me Insane
  98. Funny Smell
  99. 94 Seville STS History Codes???
  100. Emissions Code on 1996 STS
  101. Real unhappy with (my new) used caddy - Can't ID the DTC's
  102. Opinions on possible purchase 91 Deville
  103. Signs you need a tuneup?
  104. R/r water pump
  105. Help Me!
  106. Hard Starting STS
  107. OBD2 Reprogramming
  108. Chip or no chip?
  109. Northstar R&R Book Times
  110. Northstars & oil consumption...are there "good" & "bad" motors?
  111. 275hp to 300hp head swap question
  112. Northstar Aftermarket Support
  113. Do Northstars burn oil fast???
  114. Help!!
  115. Northstar overheating
  116. Most common problems with NS motor
  117. Engine size ?????
  118. What is the deal with the Crank Position Sensor and...
  119. sneaky coolant leak, Northstar
  120. Bad plug wires get you crazy codes
  121. stupid dipstick
  122. N* Head Gasket repair part I/ Remove engine
  123. idle speed adjust?
  124. Belt Question
  125. Emissions System
  126. 99 SLS probelms
  127. help with codes?
  128. Head Work
  129. New person here - piston replacement question
  130. How to get to plugs on 00 STS?
  131. 1995 SLS Engine and Trans
  132. tps 1995 sts adjusted
  133. are the '93 and '95 northstar computers the same?
  134. Cracked Water Pump Housing Northstar
  135. Erratic fuel level gauge & a few other ???
  136. Time serts head gaskets and cadillac refunds
  137. 1990 Sedan Deville Valve Job
  138. Limited slip...sort of
  139. Octane reading
  140. Check Oilk Level wont stop
  141. Please help..engine coolant ?....
  142. Traction Control on STS ???
  143. 96 Seville, Check Engine Light, New owner?
  144. Help with cooling system
  145. ? on seville northstar motor?
  146. Help! I have a 1997 Concours(traction c) I would love to know where this wire goes??
  147. maintenence records?
  148. rear windows fog up
  149. Northstar - Golf swap
  150. PCM codes
  151. 1997 Deville problems
  152. Smelling Coolant inside - 93 STS
  153. Battery Replacement on 95 STS
  154. Service Brake Fluid Switch
  155. Transmition shifting ?'s
  156. Engine cutout 93STS north*
  157. Oil Life Message Problem
  158. Can I get some pictures (N* mounting)?
  159. OBD codes
  160. 95-sts wont start
  161. idle sts-95
  162. Anyone know where I can find cheap o2 sensors?!
  163. So....someone wanna rent me a timesert kit?
  164. Ignition module failure?
  165. Need help understanding a code
  166. Best oil for Northstar engines?
  167. Northstar questions: engine and tranny mounts
  168. Service Engine Light
  169. Idle speed
  170. Intermitant DTC P1416, where do I start looking?
  171. phenolic spacers cleaning
  172. Regular Unleaded
  173. Throttle Body
  174. 97 Concours....SOLD!
  175. Help Codes
  176. Thermostat
  177. 4.0/4.6 Combustion Chambers
  178. Intake air sensor / resistor mod
  179. valve job? something burning......
  180. Easy method of telling you need a coolant change!!!!!
  181. 97 dedan deville speedometer display out...
  182. 4.6L engine knock at idle
  183. High Performance driving
  184. Starting Issue
  185. High octane
  186. 4.6L engine knock at idle
  187. Headgaskets
  188. hard starting, won't pass smog symptoms
  189. Info on converter lock,,code PO39
  190. Northstar engine numbers
  191. Locking converter/check engine SOON
  192. How to replace front motor MOUNT
  193. can any one help
  194. Motor Rocks
  195. Torque converter lockup?
  196. Help!
  197. Regular Gas
  198. Nitrous Kit for Northstars - It exists
  199. why do people tell me northstars are junk?
  200. Coolant Loss
  201. VERY slight valve knock on '98 STS Northstar?
  202. Won't shift out of 1st gear
  203. Let's get some performance parts!
  204. Just how fragile are they?
  205. experienced mechanic in Los Angeles
  206. RWD 5-speeds
  207. Let's get an OBD Programmer...
  208. Limiters on 96 STS
  209. 1996 northstar in 95 eldorado - Strange things happening!
  210. Technical Photo Section?
  211. service engine light is on
  212. engine compatibility
  213. code help please
  214. 99' STS low-end torque is sluggish?
  215. Blessed With Head Gasket Leakage as Well...
  216. timesert kit
  217. performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)
  218. Can the 300 HP be swapped with 275 HP motor?
  219. North star motor swap
  220. Diagnostic codes and running rough
  221. cam timing tool
  222. Hard Shifting Transmision
  223. Squeek, scrape, whir.
  224. transmission removal in 94 eldorado???
  225. 2001 seville sparkplug location
  226. need advice-- cooling
  227. engine removal and install procedures
  228. Temperature problem???
  229. Starter replacement, what is the easiest way?
  230. Bearings?
  231. are northstars interferene engines?
  232. northstar head warpage?
  233. "LOW ENGINE COOLANT" came on...
  234. timeserts
  235. Northstar idle speed motor instsall
  236. Rss (c)1743, 1783, 1785 ??
  237. 4T80E drain plug location?
  238. Missfire 93 sts
  239. Idle is higher than normal and fluctuates
  240. STS 13:63, you ask how?
  241. Ok I can check my codes but how do you check them individually?
  242. Cadillac Hot Rodders!
  243. Keyless Entry Programming Procedure
  244. How to change Trans. Fluid?
  245. Borla exhaust needs your help
  246. Where's the Chip?
  247. Battery No Charge light on/ Alternator?
  248. New Owner Can I work on My Seville N* myself? Is it too electronic?
  249. northstars
  250. I am New here