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

: 01-04.5 LB7 Duramax Powertrain


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  1. Wheels and Tires Fitment
  2. Another coolent leak
  3. Take a look at my balance rates.what do you think?
  4. Lb7 white/blue smoke when hot
  5. Intermittent No Start No Crank
  6. 2003 chevrolet 2500 hd auto 4x4
  7. LB7 breaking coolant lines after Headgasket replacement.. Help please
  8. Hollow thud coming from undercarriage
  9. After unpluging FPR... WTF!!!???
  10. LB7 coolant prob. diagnosis help!
  11. Need advice on two cylinders with issues.
  12. Need help with my trans!!
  13. 2000 rpm after motor build
  14. low boost
  15. replacing injectors
  16. Confirm my diagnosis PLZ
  17. Water pump replaced/getting P0340 after
  18. Lb7 help
  19. fuel pressure regulator
  20. LB7 missing injectors
  21. Smoke at idle and less power
  22. 2003 FICM and wiring harness removal help
  23. 5k in maintenance.. does it ever stop?!
  24. Injectors balance rates change dramatically when engine hot
  25. Crankshaft reflector wheel HELP
  26. 03 LB7 Built Allison with Stock converter??
  27. truck takes forever to warm up
  28. Truck won't start up
  29. Check engine light codes
  30. Checking injectors with PPE tuner?
  31. 2001 LB7 Will only start after prime, idle for 30 seconds then die. Yikes!
  32. Replacing injectors, injectors stuck in head
  33. 03 lb7 motor issues
  34. Help!!! Stranded 04 dmax
  35. 03 LB7 surges/revs on its own at startup
  36. Well !@#$, I think I do have a head gasket problem after all. (Video)
  37. Harmonic balancer removal?
  38. torque pro question
  39. Bad FPR ?
  40. Loose steering
  41. Rattle Around 1000RPM's
  42. 03 duramax questions
  43. low rail pressure WOT only on big tune
  44. A few issues with 2002 LB7
  45. No fuel PSI, AirDog II 165 not priming?
  46. any way to check front cp3 seal??
  47. Excessive blow by?
  48. Glow plugs
  49. RCLB Driveshaft Length
  50. Low fuel rail pressure
  51. 02 Bad miss ringing noise
  52. Driveshaft HELP
  53. egr valve questions
  54. 02 lb7 cuts out
  55. anyone need lb7 injector cores? 3 injectors are good and within spec
  56. Tranny or Turbo or????
  57. Intake Manifold bolts
  58. Encoder replacement
  59. 5" Exhaust
  60. How could this happen?
  61. OBD2 dongle issue
  62. Fuel filter replacement intervals w/ 3 filter setup?
  63. Mass air flow sensor not working
  64. Cat Filter Adpt Issue
  65. '01 Limped Allison. P0735, P0840, P0700
  66. What rear differential gear oil to use?
  67. Ficm
  68. Hoping I am not getting jerked around. LB7 injectors
  69. No start Duramax code P0370
  70. LB7 injector pictures - Nasty!
  71. 2003 Injector/VIN number help needed
  72. Factory GM FPRV
  73. U1800 Code after power washing
  74. 04 lb7 injector DIY ???
  75. New to Duramax, replacing injector nozzles, need advice
  76. Fuel cooler
  77. brakes
  78. Mobil One Syn blew my rear dif
  79. smoke on idle
  80. Truck won't start please help
  81. Head gasket
  82. Trying to buy Duramax! NEED ANSWERS QUICK!
  83. lb7 injector nozzle part numbers
  84. Drop in MPG after injector replacement
  85. ppe no communication problems!!!
  86. White smoke / additives / injectors???
  87. injector cup question
  88. 02' with p0101 code
  89. Need help bad with coolant leak
  90. Rear End Issue
  91. Died an won't start
  92. Coolant leak
  93. LB7 injector balance rates of 0.0 in park
  94. SES Light
  95. Need opinons for my new truck !!!
  96. 03 RCLB questions!!!
  97. Bad MPGs after sudden stop
  98. Dash problem
  99. 03 LB7 Duramax Fuel Injector Control Module Fail after injector change
  100. How to tell difference between 10.5 and 11.5 Rear Differential
  101. Replacing Glow Plug Relay
  102. P0776 limp mode HELP/advice
  103. 01 lb7 injector rebuild or replace opinions
  104. I've had two Allison's go out
  105. 03 LB7 cranks but won't start
  106. lb7 runs on 4 cylinders when cold
  107. New tires and wheels
  108. Blew apart my rear differential internals
  109. Engine oil.
  110. Grinding/creaking sound from under the truck
  111. 2003 LB7 no start
  112. Smoke screen gone
  113. Mystery loss of power under load
  114. LB7 Injector Cores
  115. LB7 diy return rate test help
  116. Need help! Rough idle no ac
  117. Need help. Loud clicking noise under hard eacceleration.
  118. 03 lb7 wont stay running on cold days (remote start)
  119. Cp3 pump leak around fitting.
  120. Confused! got a few ? please help
  121. 2002 lb7 bad head?
  122. I f&cked something up. help needed
  123. Rail Pressure & Balance Rates 2003 LB7
  124. EFI Live From Dyno Proven?
  125. Looking at used LB7
  126. Wire issue related to limp mode?
  127. Head Gaskets or injectors?
  128. Internal transmission filter
  129. 2003 lb7 no power
  130. Installed Fass now wont start
  131. UCA, Ball Joints and Leveling
  132. ABS kicking in at low speeds
  133. advice on lb7 injectors
  134. 2002 with 50k, Issues here
  135. 2004 LB7 Transmission in an 05 LLY?
  136. pinion bearing shredded
  137. smoke from turbo
  138. 2003 LB7 Intermittent starting issue
  139. LB7 stalled won't start. Stuck on a mountain
  140. Oil and coolant still mixing after oil cooler replacement!
  141. Can you check injector balance rates using dash command app or iPhone?
  142. LB7 Injector Terminal Wire Polarity
  143. LB7 "Bog"
  144. Uncontrolled Acceleration and now no start
  145. LB7 Transfer Case/4WD Questions
  146. More White Smoke after Injector Cleaning
  147. LB7 wont start
  148. STRANGE extra high cylinder pressure...
  149. Erratic shifting, limp mode, codes, don't know where to go. Please help?
  150. FASS Overpressurizing
  151. Transmission Fluid change..or not?
  152. stock lb7 mpg
  153. Recurring Misfire..?
  154. Surging and Loping...
  155. lb7 wont start
  156. what egts do yall run
  157. 2004 gmc lb7
  158. help think i poped an injector
  159. Lb7 goes into limp mode as 138Mpa rail pressure
  160. So Cal diesel shop
  161. losing prime
  162. Another high idle/PTO thread with a twist
  163. Cooling issue
  164. Injector wire terminal nuts.
  165. Failed Opacity test Bad!!
  166. Truck wont start. Need help!
  167. Is the power supply voltage for the FPR 12V?
  168. injector noise
  169. Injector, regulator or electrical issues?
  170. Bad CP3???
  171. Question for Brent
  172. 2003 6.6 starts but dies after a few seconds
  173. Bad fpr or something else
  174. swaping in a zf6
  175. Pinion Bearings in the rear end
  176. Need help!
  177. Lb7 Died Now No Start
  178. injector balance rate testing on the cheap
  179. oil in intercool line
  180. Oil Something on Passenger Side
  181. Leak check
  182. Fuel restriction from the tank
  183. LB7 intake horn gasket leak
  184. Intake Heater Issues--Ca Emissions
  185. Injector balance rates
  186. Help!!!
  187. Is this corrosion common?
  188. Tranny question
  189. help ran out of fuel
  190. Smoking. Rings? Injectors?
  191. Lb7 p0404 Code
  192. putting on shackles
  193. voltage fluctuates not batteries or alternators
  194. loss communication to ficm
  195. LB7 engine swap to LLY
  196. Possible to replace broken wastegate?
  197. Injector cup came out on LB7....
  198. Off Road diesel
  199. Injector failure prevention tips?
  200. shudder in gear and light accel
  201. Typical lb7 troubles
  202. high altitude shift problems
  203. Bluetooth wireless OBD 2 reader & torque pro app
  204. Reoccurring nightmare
  205. Injectors
  206. balance rates
  207. issues at 2500 rpms
  208. 01 lb7 will crank but not start! won't even start with ether!
  209. brian crower connecting rods??
  210. Tachometer Help
  211. truck dies but starts back up please help! !!
  212. LB7 misfire at 2500 rpm
  213. egt gauge working backwards
  214. 2004 lb7 few issues
  215. Lincoln Diesel Specialties website
  216. tranny help
  217. 2003 LB7 Needing injectors
  218. Fuel in oil after injector replacement
  219. LB7 Codes P0404 P0405
  220. 2003 duramax power problem; HELP
  221. Turbo torque specs!!!
  222. New injector balance rates
  223. Idler pulley mistake
  224. Picked up 02 lb7 project truck. A few issues.
  225. '03 hard start/no start. Dealer says....
  226. P0193-Low fuel pressure, FPR below DFRP
  227. fuel pump/sender retrofit for LB7
  228. tas or reduce power
  229. 03 injector questions
  230. engine wont start 4 codes
  231. Lb7 wont start after stalled
  232. LB7 Intermittent Smoke
  233. Get stock or 30 over injectors?
  234. Fix for stripped out injector hold down bolt
  235. Lift pump + filters or Nicktane + CAT?
  236. Can't solve P0101 for MAF
  237. Lift pump + running new fuel lines
  238. Stiil trying get my trck running
  239. Silicone on FPR okay??
  240. 03 LB7 hard start, black smoke
  241. What not to do!!! ???
  242. 2003 running hot?
  243. MAF grams/sec reading
  244. Lb7 Smoking. Help
  245. no start
  246. Rear Main seal maybe?
  247. 03 fuel issues?
  248. Haze at idle...
  249. Injector decision help
  250. High Idle Mod

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