01-04.5 LB7 Duramax Powertrain [Archive] - Chevy and GMC Duramax Diesel Forum

: 01-04.5 LB7 Duramax Powertrain


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  1. 2003 running hot?
  2. MAF grams/sec reading
  3. Lb7 Smoking. Help
  4. no start
  5. Rear Main seal maybe?
  6. 03 fuel issues?
  7. Haze at idle...
  8. Injector decision help
  9. High Idle Mod
  10. injector wiring problem one bank reads 7.00 and the other reads 15.00
  11. Bad Reman Injector?
  12. Help guys. Video here
  13. High egt's
  14. Security Light
  15. problems
  16. Lb7 idle smoke
  17. Injector Hard Lines
  18. Hard start....
  19. Hard start after it sits overnight
  20. Transfercase problems!
  21. Lb7 Start Issues
  22. Bogging down holding back
  23. Tranny cooler line leak.
  24. Are LB7's reliable?
  25. Where's the best place to get fuel lines?
  26. MAF Cleaner Didn't Work
  27. 01 wrecked duramax won't start
  28. 03 LB7 ECLB 176k for 17k?
  29. Good deal on a Duramax?
  30. Fuel problems!!!!
  31. Desired rail vs actual..how much variance is acceptable?
  32. Newbie
  33. Found a good deal - Is it worth it?
  34. Fuel leak
  35. help
  36. Lurching when letting off throttle
  37. LB7 Injector Balance Rates - Quick Question
  38. LB7 ocasional rough idle harder start
  39. Lb7 ecm
  40. Still losing prime after filter head rebuild
  41. here we go again lb7 won't start
  42. 03 2500HD P0087 - Low Rail Pressure
  43. No crank, no start LB7
  44. 2002 issues
  45. injector question
  46. another injector issue
  47. Lb7 won't fire
  48. Just bought a LB7 DM with LOTS codes :(
  49. injectors 2003 LB7
  50. NEW GLOW PLUG or faulty relay ???
  51. Exploding sound under my hood and zero boost
  52. Thinking it's time for a new FPR?
  53. stock fuel line size
  54. Just got towed...
  55. Stuck on the side of the road
  56. Fix for a stuck injector??
  57. New Injector lope
  58. Lb7 egr blocker plate
  59. 2003 2500HD crew 4x4 fair price?
  60. Hotter the Better
  61. Ramdon pressure sensor
  62. 2005 lly
  63. Rotational noise in front end
  64. Puking Coolant
  65. rear brakes alternately sticking
  66. 6.6 lock up
  67. boost leak????
  68. Need Help Again
  69. Looking to buy my first Duramax!
  70. Am I being paranoid or do I hear something wrong
  71. Lope while coasting
  72. Injector Install Help!!
  73. Free flow fuel return
  74. Another lb7 with fuel in oil...
  75. Help please!!!
  76. NEED HELP Work Truck
  77. Lml internals on lb7
  78. help how do I test my glow plugs P0380
  79. After first tank with new to me lb7 mpg
  80. Linestogo.com & Fineline Fuel Lines?
  81. K&N intake/filter
  82. WIF sensor question
  83. Warm/Hot start issues (Newish injectors)
  84. Won't hold fuel pressure
  85. 2500HD chassis with 1500 cab?
  86. Accurate Diesels
  87. truck wont start, replaced battery and alternator, video inside
  88. Stranded In Security
  89. Hammering Injecters -How Come ?
  90. Going to replace encoder sensor, question though.
  91. Is this rake normal?
  92. 6 speed conversion
  93. 03 lb7 won't run
  94. LB7 injectors
  95. Surging idle help
  96. Tube inside filler neck
  97. air in filter housing
  98. iPhone app for bal rates?
  99. 6 codes coming up......
  100. Hooked up my PPE programmer yesterday... got a check engine light & LOTS of codes??
  101. Fuel filter? Cp3?
  102. New injectors new fpr still tons of white smoke
  103. 4 Wheel drive not working
  104. LB7 down pipe
  105. Allison 5 speed needs rebuild in NJ
  106. NCB Diesel and off road Raleigh NC ?
  107. help!! lb7 died while driving!
  108. LB7 - No Fuel Pressure, No Start
  109. how can i disable truck
  110. Balance rates for dummies!
  111. A question for the new guy?
  112. Shift linkage problem
  113. Spec for injector return?
  114. Runnin on Luck
  115. low oil pressure help
  116. Does my "new to me" lb7 need injectors?...?? Or?
  117. Crank shaft
  118. Need repair upper NC or lower VA-Injectors
  119. OIL Pressure Low/ Reduced engine power
  120. Balance rates
  121. truck wont hit a lick
  122. No lights on 4x4 selector..
  123. Rear frost plug leak ???
  124. Oil leak right behind the fan
  125. What the heck!
  126. Fuel leak help!
  127. Black smoke on stock tune
  128. brake lights for trailer
  129. White smoke.... Again...
  130. Sitting Duramax
  131. 2002 lb7 quit wont start
  132. Keep losing coolant ... lost
  133. LB7 will start but die shortly after
  134. 04 lb7 falls on face in 2nd and 3rd gear
  135. 02 no start after batteries disconnected
  136. Different Subject ?
  137. Truck is using coolant
  138. boost psi on lb7
  139. LB7 sputters, won't rev past 2k. At a loss here
  140. Strange problem...Can't get a straight answer.
  141. Looking to buy used engine
  142. Injector testing.
  143. Fuel Leak and Head Gasket replacement
  144. Torque Pro wont connect to ecu on lb7
  145. second oppinions
  146. Has anyone seen an injector leak like this?
  147. 2001 lb7 no start
  148. 02 LB7 Power issues
  149. fuel system shot
  150. Getting ready to do injectors couples ?'s
  151. 02 lb7 fuel in oil pan.
  152. Help..Engine kills power during burnout
  153. 5 quarts of oil in an LB7
  154. Dealership TECH II test for injector flow rate...
  155. Still Lopey Idle after New FPR? Im Lost.
  156. Lb7 smoking from oil fill
  157. 2002 With Only 80K Looking to buy need help!
  158. coolant smell in exhaust and loosing coolant
  159. Fuel Leak Passenger Side Rail?
  160. Using oil not sure where its going
  161. Priming 2004 LB7 fuel system
  162. Crank bearings due to injector wash out
  163. Starting issue
  164. Intercooler boot?
  165. Injector R&R 1st time on Dmax
  166. How to clean/quiet LB7 injectors?
  167. Injectors
  168. Lb7 p0087, white smoke, no power
  169. Which Wheels
  170. Low Oil Pressure - Crankcase full of diesel (Not Injectors)
  171. Looking for a clean LB7 complete engine.
  172. Just FYI
  173. HELP! HELP! Broke screw need to move tomorrow
  174. EGR not ready during emission test
  175. Weird noise
  176. Coolant bypass pipe
  177. Got a "Service 4wd" message today and Air Conditioner stopped working..
  178. 4wd not working
  179. lb7 idle hicup
  180. Intake Question
  181. Bad fuel and lines?
  182. Truck wont start after communication code?
  183. Lift Pump vs. Added Filtration
  184. Need help/thoughts on possible exhaust leak?
  185. Lb7 leaking fuel
  186. Injectors on robs tunes
  187. Lb7 surging after new fpr
  188. Help please I'm waiting to put together
  189. Noisy turbo
  190. What settings
  191. Injector cores
  192. Strange AC issue
  193. Lack of power while towing
  194. LB7 hard shift from park to reverse and drive!
  195. Another injector thread
  196. High pressure line leaking
  197. ABS Light
  198. Can't find an LLY, look into an LB7?
  199. New bottom-end rebuild
  200. Injector cores? what are they worth
  201. Could Ya Do It
  202. Glow plug controllers?
  203. 02 lb7 hose replacement
  204. Bad INJECTOR or bad fuel?
  205. Scamatic of wiring to the injectors.
  206. Fpr problem?
  207. Fuel Rail issue
  208. Injector help
  209. Coolant pressure after head gaskets replaced?
  210. lie to me
  211. Got a Question
  212. Sudden Problem?
  213. Noob turbo question
  214. Head gasket sequence
  215. DTC codes
  216. transfer case jumping out of gear
  217. Smoke and Codes
  218. Idle Surge - Fuel Pressure Regulator?
  219. antifreeze in oil
  220. Rattling noise
  221. 01 lb7 what would you guys pay for it?
  222. block heater
  223. Injector Issue LB7
  224. EGT running hotter than Normal
  225. No start
  226. LB7 sputtering under load
  227. Choosing a block for motor build
  228. Potential injector issue?
  229. Front end hum and shudder
  230. hazing! need help!
  231. rough idle when warm.
  232. First DMax and what to look for?
  233. Replaced injectors, air dog, plugs, tune but...
  234. Battery Not Charging odd issue
  235. LB7 Injector
  236. Whata think ?
  237. Light smoke hazing at idle
  238. Broken glow plug
  239. 04 lb7 smoke smoke smoke!!
  240. Who thinks this might cause massive injector leaks?
  241. A sluggish acceleration problem fixed...
  242. Need Advice on Injectors
  243. I need help
  244. Electrical Issue After Alignment
  245. White haze at idle
  246. airbag light flashing
  247. Power Steering Question
  248. 4x4 Selector switch
  249. Brand new crankshaft needed
  250. Trans throwing code

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