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

Duramax First Generation: 2001-2004 (LB7)


  1. Truck no start or dies after 15 to 30 minutes
  2. Runs great, leaks fuel... from where?
  3. Question: P0087 - Troubleshoot - Fuel Vacuum
  4. LB7: U1800 code still starts and drives...ish
  5. Foam jacket on passenger side battery
  6. Help! FPR driving me crazy
  7. Question: Massive oil leak by turbo
  8. Noise
  9. 03 LB7 smoking..
  10. Question: Engine Quits after starting
  11. Not turning over
  12. Gas in my tank
  13. Fuel knock Help!
  14. Lb7 with no low end power
  15. LB7: Crank but no start
  16. Bit of white smoke when I take off
  17. Lb7 block lbz heads
  18. Question: LB7 new S&S injectors, one bad cylinder?
  19. Please help!!!
  20. Thick oily deposits (grease?) passenger side below exhuast manifold
  21. P0193 after Injector replacement
  22. Lifetime Warranty ???
  23. LB7: Codes, electrical issues and more after injector replacement
  24. Loosing fuel prime after engine shut off almost immediately
  25. Oil water seperator?
  26. 03 LB7 balance rates, coolant temp questions
  27. 2004 CA LB7 into 2002 "Federal" LB7
  28. LB7 Injectors 2015 install
  29. Batteries died then limp mode and no start
  30. Lb7 gmc and Chevy ecm interchanges
  31. 2001 LB7 running issues
  32. Question: Lb7 not running
  33. Question: Block Condition Before Head Gasket Install
  34. White smoke and good balance rates
  35. "Low Coolant"
  36. NEW Release!!!! LDS Premium LB7 Return Line Banjo Bolt
  37. Question: 2001 Duramax, no start
  38. Question: Starter or Flywheel issue???
  39. LB7: Occasional hard start or hard crank
  40. Oil filter housing
  41. MBRP LB7 downpipe broke in two.
  42. Injector removal run down list
  43. Check engine light-cold air intake open
  44. Head Gasket?
  45. Thick Blue Smoke After 4+ Hours of Road Hunting
  46. Question: Drivers side valve cover gasket replacement
  47. Another fuel in oil
  48. Question: 2004 LB7 Fix or Replace
  49. LB7: No start issue
  50. Question: I need some help with my dmax
  51. LB7: HELP - CRANK, NO START :(
  52. Fuel Lines rusted from tank to engine
  53. LB7: Change in Early Morning Startup Noticed
  54. LB7: Interesting combo of codes... P0700, P1093, and P1781
  55. Dura max diesel 03 2500
  56. LB7: 2003 LB7 lost power
  57. Batteries / Alternator
  58. Diesel fuel in oil
  59. Bad FICM or something else? Need advice
  60. What injectors did GM use
  61. 2003 fuel rail pressure and voltage fluctuation
  62. LB7 SAC00 installed 2x, same fuel leak
  63. LB7 Throwing P1093 Fuel Rail Pressure Low during power enrichment
  64. can you use fuel return line to measure injector fuel return?
  65. LB7: 2002 LB7 oil Pressure Sensor
  66. Intermitent fuel pressure spike / no coolant temp
  67. Question: 2002 LB7 P1093 not CP3 - test?
  68. Starter Issue? Stranded at Virginia International Raceway
  69. What is this part?
  70. FICM Any One Will Fit?
  71. LB7: Difficult Injector Cup
  72. LB7: Injector Cleaning
  73. LB7: Intermittent Hot Start Issues
  74. Question: Fuel Hose Clarification
  75. Electrical Issue?
  76. LB7 Which Injector 00 or 45 (Ca. Smog test)
  77. Question: 03 LB7 103k Miles, Idle Smoke, Pic of Balance Rates
  78. Diesel in Oil after Injector Replacement
  79. LB7: Duramax is down
  80. LB7 Injectors, are they still a problem?
  81. Question: lb7 power shut off
  82. Question: Can't add oil
  83. Oil Cooler Install
  84. Need help! 6k roadtrip and white smoke
  85. I hear a buzzing noise under hood
  86. MPG seem low
  87. Turbo rebuild
  88. 146,000 head gasket, injector, head bolts, cups, downpipe, intake horn?
  89. Massive Fuel Leak into Oil Pan
  90. LB7: Fuel rail pressure jumping
  91. LB7: fuel issues
  92. LB7: Low coolant light
  93. White smoke after warm up
  94. "Oil Life Monitor" system question
  95. Any Newer Injector Solutions...???
  96. Please HELP, LB7 "shut off"
  97. LB7: Fuel pump?
  98. Engine sieze
  99. Oil pressure needle flickering
  100. LB7: HELP!!! P0090 Intermittant High Fuel Pressure Code
  101. Injector cleaning with the BMW fluid
  102. Oil everywhere please help
  103. Making oil, no smoke runs good
  104. 2003 LB7 with 200k on clock, has started using oil
  105. Question: Looses Prime
  106. Lower altitude didnt improve performance?
  107. Question: P0101
  108. Question: Battery not charging message
  109. 2wd to 4wd question
  110. Question: Ok quick question about cp3/injectors from a new owner
  111. Injector cleaning
  112. Question: egr code says egr stuck in open position
  113. Question: Duramax 6.6 intermittent coolant problems
  114. P0380 where is my glow plug controller?
  115. LB7: Clunking when shutting off
  116. Question: 01 GMC LB7 Leaking fuel back of driver's head
  117. Question: injectors again LB7
  118. LB7: fuses
  119. LB7: White smoke
  120. Losing prime when cold
  121. Question: P0621 Generator Lamp/L Terminal Circuit
  122. Smoking at idle, safe to drive?
  123. Restore 2001 Dmax?
  124. 2001 blows 40 amp fuse
  125. instrument cluster fxxx-- no power
  126. No glo
  127. LB7: Consequence of using block heater
  128. Question: 03 lb7 coolant loss
  129. Question: Truck has 415K, time for head gaskets?
  130. Belt and pulleys
  131. 2002 Lb7 with p0405 Help needed!!!!
  132. LB7: Cutting out
  133. Won't stay running
  134. LB7: p1093 code Hard Starting Fuel Rail Pressure too low during power enrichment
  135. Rebuild or new
  136. Lb7 lost of power
  137. 2004 pump issues?
  138. Crank But wont start
  139. Question: 03 LB7 overboost w/ low fuel rail pressure HELP!!!
  140. Question: Possible head gasket
  141. Question: ARP Crankshaft Bolt
  142. LB7: P1093/ P1094 Help pinpoint issue please!
  143. LB7 EGR cooler removal
  144. P0093 won't stay running
  145. Fuel hose replacement
  146. Injector stuck open
  147. LB7: Need to read Balance Rates
  148. LB7: 2003.. Runs like tractor.. ECM, TCM, FICM codes
  149. 2003 LB7 no start issue
  150. power loss over 2000rpm
  151. Question: WIF Sensor
  152. LB7: SAC45, just nozzles? Highest mileage?
  153. What did I do wrong?
  154. Losing power ??
  155. Question: Need help dont know what else to check!
  156. Injector Pump Failure?
  157. 2003 LB7 P0463
  158. Question: knock, surge & black smoke
  159. Still pouring white smoke after replacing injector
  160. Question: P380 code
  161. 2002 dmax lose of prime just sitting
  162. LB7: Codes p1093 and p1094
  163. Water pump erosion and mod
  164. Cold Start: Idles then Dies
  165. bad injectors??
  166. P0540
  167. low oil pressure
  168. LB7: Tons of white smoke at idle.
  169. LB7 wont start after sitting up
  170. Question: Fuel filter pump
  171. Question: Is This Needed???
  172. Question: LB7 Wont Start, No Rail Pressure When Cranking
  173. Heating issues
  174. Question: Air Cleaner Box Bolts
  175. CP3 removal
  176. LB7: Downpipe
  177. Question: 02 LB7 Duramax 200k miles stock runs and drives no starting issues but..
  178. 2002 Won't start AFTER dealer replaced fuel pump
  179. LB7: power loss
  180. 2004 Duramax major hesitation question
  181. Limp mode, fuel light, p2149
  182. Lb7 no start blows 40 amp fuse A
  183. Truck Died while driving
  184. LB7: Please help, no start condition
  185. Help in Testing for Boost Leaks on Cali LB7
  186. Truck will crank but not start
  187. P0380 Fix...Where is the most likely place to start?
  188. Question: Bad CP3?
  189. LB7: ARP Head Stud Torque
  190. Big oil leak where engine meets the transmission HELP
  191. Trying to replace the oil pressure sensor
  192. Fuel in oil after injector replacement
  193. 2001 duramax diesel
  194. Injector Life and Type
  195. LB7: 04 duramax
  196. LB7: LB7 vs LBZ upper rad hose?
  197. Question: From Intake heater to glow plugs
  198. LB7 with NF4 emissions.. 2227 code. Where is BARO?
  199. Where is injector #2 located?
  200. Any advice for new owner Dmax 2001 over 200k mileage
  201. Black smoke
  202. Truck ran then ran like crap and died
  203. LB7 FUEL FILTER REPLACEMENT
  204. New LB7 Owner
  205. 04 LB7 Smoking at start up whiteish bluish smoke.
  206. LB7: Looking for experience, No Engine Power
  207. LB7: Newbie building a LB7
  208. LB7: Boost pressure test
  209. Help Starts wont stay running
  210. LB7: No Crank
  211. #2 inj Bal rate stuck at -7
  212. heavy black smoke suddenly
  213. New to forum
  214. New to me lb7 fuel in oil
  215. LB7 won't start
  216. Cooling System Pressure: EGR? HG? Injecor Cup?
  217. duramax 04 3500 died while driving and won¯t start
  218. LB7: 1093 code
  219. SAC injector question
  220. LB7: 2002 Duramax EGR - MAF reading
  221. Fuel Rail Pressure Low During Idle or Deceleration P1094
  222. HELP!! LB7 NO START
  223. How to check bad FPR?
  224. Balance Rates and the FICM
  225. Injector time again?
  226. No Power 03 lb7
  227. Fuel pressure ran dry---wont start??
  228. Injector problem or electrical?
  229. Question: Injector cleaner
  230. LB7: Bypass coolant tube Problem Child
  231. Fan Clutch
  232. LB7: Fuel leak
  233. LB7: LB7 ENGINE PROBLEM PLEASE HELP!
  234. LB7: 6.6 Turbo Diesel 2002, Power loss
  235. Lb7 start time
  236. LB7: Loss of Power
  237. LB7: No Start white smoke
  238. LB7: 04 Lb7 turd....need help
  239. new to me 2001 RCLB 2wd LB7/Allison 355k
  240. LB7: Radiator hose clamps
  241. Oops...
  242. LB7: No start after injector rebuild and head gasket
  243. 04 diesel in oil
  244. LB7: Head Gasket Issue??? Help!!
  245. Engine won't turn off
  246. LB7: Before you hound me.( engine EGR issues)
  247. LB7: Should I use fuel additives?
  248. Injector issues?
  249. 2004 chevy 3500 duramax filter hose diagram
  250. Replaced FPR and starting issues