Duramax First Generation: 2001-2004 (LB7) [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

Duramax First Generation: 2001-2004 (LB7)


  1. can you use fuel return line to measure injector fuel return?
  2. LB7: 2002 LB7 oil Pressure Sensor
  3. Intermitent fuel pressure spike / no coolant temp
  4. Question: 2002 LB7 P1093 not CP3 - test?
  5. Starter Issue? Stranded at Virginia International Raceway
  6. What is this part?
  7. FICM Any One Will Fit?
  8. LB7: Difficult Injector Cup
  9. LB7: Injector Cleaning
  10. LB7: Intermittent Hot Start Issues
  11. Question: Fuel Hose Clarification
  12. Electrical Issue?
  13. LB7 Which Injector 00 or 45 (Ca. Smog test)
  14. Question: 03 LB7 103k Miles, Idle Smoke, Pic of Balance Rates
  15. Diesel in Oil after Injector Replacement
  16. LB7: Duramax is down
  17. LB7 Injectors, are they still a problem?
  18. Question: lb7 power shut off
  19. Question: Can't add oil
  20. Oil Cooler Install
  21. Need help! 6k roadtrip and white smoke
  22. I hear a buzzing noise under hood
  23. MPG seem low
  24. Turbo rebuild
  25. 146,000 head gasket, injector, head bolts, cups, downpipe, intake horn?
  26. Massive Fuel Leak into Oil Pan
  27. LB7: Fuel rail pressure jumping
  28. LB7: fuel issues
  29. LB7: Low coolant light
  30. White smoke after warm up
  31. "Oil Life Monitor" system question
  32. Any Newer Injector Solutions...???
  33. Please HELP, LB7 "shut off"
  34. LB7: Fuel pump?
  35. Engine sieze
  36. Oil pressure needle flickering
  37. LB7: HELP!!! P0090 Intermittant High Fuel Pressure Code
  38. Injector cleaning with the BMW fluid
  39. Oil everywhere please help
  40. Making oil, no smoke runs good
  41. 2003 LB7 with 200k on clock, has started using oil
  42. Question: Looses Prime
  43. Lower altitude didnt improve performance?
  44. Question: P0101
  45. Question: Battery not charging message
  46. 2wd to 4wd question
  47. Question: Ok quick question about cp3/injectors from a new owner
  48. Injector cleaning
  49. Question: egr code says egr stuck in open position
  50. Question: Duramax 6.6 intermittent coolant problems
  51. P0380 where is my glow plug controller?
  52. LB7: Clunking when shutting off
  53. Question: 01 GMC LB7 Leaking fuel back of driver's head
  54. Question: injectors again LB7
  55. LB7: fuses
  56. LB7: White smoke
  57. Losing prime when cold
  58. Question: P0621 Generator Lamp/L Terminal Circuit
  59. Smoking at idle, safe to drive?
  60. Restore 2001 Dmax?
  61. 2001 blows 40 amp fuse
  62. instrument cluster fxxx-- no power
  63. No glo
  64. LB7: Consequence of using block heater
  65. Question: 03 lb7 coolant loss
  66. Question: Truck has 415K, time for head gaskets?
  67. Belt and pulleys
  68. 2002 Lb7 with p0405 Help needed!!!!
  69. LB7: Cutting out
  70. Won't stay running
  71. LB7: p1093 code Hard Starting Fuel Rail Pressure too low during power enrichment
  72. Rebuild or new
  73. Lb7 lost of power
  74. 2004 pump issues?
  75. Crank But wont start
  76. Question: 03 LB7 overboost w/ low fuel rail pressure HELP!!!
  77. Question: Possible head gasket
  78. Question: ARP Crankshaft Bolt
  79. LB7: P1093/ P1094 Help pinpoint issue please!
  80. LB7 EGR cooler removal
  81. P0093 won't stay running
  82. Fuel hose replacement
  83. Injector stuck open
  84. LB7: Need to read Balance Rates
  85. LB7: 2003.. Runs like tractor.. ECM, TCM, FICM codes
  86. 2003 LB7 no start issue
  87. power loss over 2000rpm
  88. Question: WIF Sensor
  89. LB7: SAC45, just nozzles? Highest mileage?
  90. What did I do wrong?
  91. Losing power ??
  92. Question: Need help dont know what else to check!
  93. Injector Pump Failure?
  94. 2003 LB7 P0463
  95. Question: knock, surge & black smoke
  96. Still pouring white smoke after replacing injector
  97. Question: P380 code
  98. 2002 dmax lose of prime just sitting
  99. LB7: Codes p1093 and p1094
  100. Water pump erosion and mod
  101. Cold Start: Idles then Dies
  102. bad injectors??
  103. P0540
  104. low oil pressure
  105. LB7: Tons of white smoke at idle.
  106. LB7 wont start after sitting up
  107. Question: Fuel filter pump
  108. Question: Is This Needed???
  109. Question: LB7 Wont Start, No Rail Pressure When Cranking
  110. Heating issues
  111. Question: Air Cleaner Box Bolts
  112. CP3 removal
  113. LB7: Downpipe
  114. Question: 02 LB7 Duramax 200k miles stock runs and drives no starting issues but..
  115. 2002 Won't start AFTER dealer replaced fuel pump
  116. LB7: power loss
  117. 2004 Duramax major hesitation question
  118. Limp mode, fuel light, p2149
  119. Lb7 no start blows 40 amp fuse A
  120. Truck Died while driving
  121. LB7: Please help, no start condition
  122. Help in Testing for Boost Leaks on Cali LB7
  123. Truck will crank but not start
  124. P0380 Fix...Where is the most likely place to start?
  125. Question: Bad CP3?
  126. LB7: ARP Head Stud Torque
  127. Big oil leak where engine meets the transmission HELP
  128. Trying to replace the oil pressure sensor
  129. Fuel in oil after injector replacement
  130. 2001 duramax diesel
  131. Injector Life and Type
  132. LB7: 04 duramax
  133. LB7: LB7 vs LBZ upper rad hose?
  134. Question: From Intake heater to glow plugs
  135. LB7 with NF4 emissions.. 2227 code. Where is BARO?
  136. Where is injector #2 located?
  137. Any advice for new owner Dmax 2001 over 200k mileage
  138. Black smoke
  139. Truck ran then ran like crap and died
  140. LB7 FUEL FILTER REPLACEMENT
  141. New LB7 Owner
  142. 04 LB7 Smoking at start up whiteish bluish smoke.
  143. LB7: Looking for experience, No Engine Power
  144. LB7: Newbie building a LB7
  145. LB7: Boost pressure test
  146. Help Starts wont stay running
  147. LB7: No Crank
  148. #2 inj Bal rate stuck at -7
  149. heavy black smoke suddenly
  150. New to forum
  151. New to me lb7 fuel in oil
  152. LB7 won't start
  153. Cooling System Pressure: EGR? HG? Injecor Cup?
  154. duramax 04 3500 died while driving and won¯t start
  155. LB7: 1093 code
  156. SAC injector question
  157. LB7: 2002 Duramax EGR - MAF reading
  158. Fuel Rail Pressure Low During Idle or Deceleration P1094
  159. HELP!! LB7 NO START
  160. How to check bad FPR?
  161. Balance Rates and the FICM
  162. Injector time again?
  163. No Power 03 lb7
  164. Fuel pressure ran dry---wont start??
  165. Injector problem or electrical?
  166. Question: Injector cleaner
  167. LB7: Bypass coolant tube Problem Child
  168. Fan Clutch
  169. LB7: Fuel leak
  170. LB7: LB7 ENGINE PROBLEM PLEASE HELP!
  171. LB7: 6.6 Turbo Diesel 2002, Power loss
  172. Lb7 start time
  173. LB7: Loss of Power
  174. LB7: No Start white smoke
  175. LB7: 04 Lb7 turd....need help
  176. new to me 2001 RCLB 2wd LB7/Allison 355k
  177. LB7: Radiator hose clamps
  178. Oops...
  179. LB7: No start after injector rebuild and head gasket
  180. 04 diesel in oil
  181. LB7: Head Gasket Issue??? Help!!
  182. Engine won't turn off
  183. LB7: Before you hound me.( engine EGR issues)
  184. LB7: Should I use fuel additives?
  185. Injector issues?
  186. 2004 chevy 3500 duramax filter hose diagram
  187. Replaced FPR and starting issues
  188. White Smoke at Idle / Sometimes Rough Idle
  189. LB7 Up-Pipe Nightmare!
  190. OptiLube Second Tank - Suddenly Gray Smoke At Idle - EFI Screenshot Help
  191. Rebuild at 340k or swap?
  192. Oil in my radiator but no water in my oil
  193. Dangit
  194. Question: Shaky idle (not FPR), motor mounts?
  195. LB7: Injector R&R, with pics. Where?
  196. Fuel/injector issue
  197. Power loss at 55?
  198. LB7: LB7 Injector codes
  199. Check out my balance rates
  200. Fuel pump replacement
  201. Lost all coolant
  202. Block Coolant drain
  203. engine noise/understanding the engine
  204. Newbie looking for info and help!!!
  205. LB7: Blue spot of paint on factory injectors?
  206. 03 Surge , long start,
  207. Duramax 6600/ Silverado LT 2500 HD/ INJECTORS
  208. Another Injector Question
  209. LB7: glow plug relay
  210. HELP!!!! Lb7 Stalling
  211. glow plug relay ??
  212. Noise underhood with key on and engine off
  213. 2002 LB7, are these bad injector symptoms?
  214. LB7: lb7 engine speed issue
  215. LB7 Intake air heater / temp sensor location
  216. Engine squeak !? Need help determining
  217. Dark smoke
  218. No Start After Fuel Filters Replaced
  219. 2002 LB7 Can't Pass Smog
  220. Help Thick Black Smoke
  221. LB7: No start
  222. Help with identifying lines please!
  223. Total burn, anything worth saving?
  224. Help with my surge please
  225. All 8 injectors changed fuel lines and filter 4-5 secs. Starts
  226. No fuel to fuel filter or out of fuel filter
  227. No start when hot
  228. LB7: LB7--Whats the difference in yellow and green connecting rod bearings
  229. Power down, MPG down, is it my turbocharger?
  230. LB7, flushing fuel system and tank.
  231. Balance rates good flow rate low at idle new injectors
  232. Won't past 2000 rpm and no codes
  233. New guy here, white smoke
  234. Old injectors
  235. LB7: 01 LB7 Trouble Codes U1041 P0380 U1000 U1041
  236. LB7: Looking to change injectors?
  237. 2002 LB7 High fuel rail pressure at idle. HELP
  238. Your injector replacement thoughts
  239. LB7: Problem unknown
  240. Cold idle surge!!!
  241. time to sell we are movng on
  242. New to Me 2003 Silverado 2500 Crew Cab
  243. Duramax LB7 will not start after new injectors.
  244. Code Po016
  245. Mystery Plug
  246. LB7: PCV valve
  247. Add studs when replacing injectors?
  248. Fuel System Issues (lb7 w/98K original miles)
  249. Need some help in Billings
  250. Any connection with fuel filters and exhaust smoke?