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

: 01-04.5 LB7 Duramax Powertrain


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  1. 03 LB7 surges/revs on its own at startup
  2. Well !@#$, I think I do have a head gasket problem after all. (Video)
  3. Harmonic balancer removal?
  4. torque pro question
  5. Bad FPR ?
  6. Loose steering
  7. Rattle Around 1000RPM's
  8. 03 duramax questions
  9. low rail pressure WOT only on big tune
  10. A few issues with 2002 LB7
  11. No fuel PSI, AirDog II 165 not priming?
  12. any way to check front cp3 seal??
  13. Excessive blow by?
  14. Glow plugs
  15. RCLB Driveshaft Length
  16. Low fuel rail pressure
  17. 02 Bad miss ringing noise
  18. Driveshaft HELP
  19. egr valve questions
  20. 02 lb7 cuts out
  21. anyone need lb7 injector cores? 3 injectors are good and within spec
  22. Tranny or Turbo or????
  23. Intake Manifold bolts
  24. Encoder replacement
  25. 5" Exhaust
  26. How could this happen?
  27. OBD2 dongle issue
  28. Fuel filter replacement intervals w/ 3 filter setup?
  29. Mass air flow sensor not working
  30. Cat Filter Adpt Issue
  31. '01 Limped Allison. P0735, P0840, P0700
  32. What rear differential gear oil to use?
  33. Ficm
  34. Hoping I am not getting jerked around. LB7 injectors
  35. No start Duramax code P0370
  36. LB7 injector pictures - Nasty!
  37. 2003 Injector/VIN number help needed
  38. Factory GM FPRV
  39. U1800 Code after power washing
  40. 04 lb7 injector DIY ???
  41. New to Duramax, replacing injector nozzles, need advice
  42. Fuel cooler
  43. brakes
  44. Mobil One Syn blew my rear dif
  45. smoke on idle
  46. Truck won't start please help
  47. Head gasket
  48. Trying to buy Duramax! NEED ANSWERS QUICK!
  49. lb7 injector nozzle part numbers
  50. Drop in MPG after injector replacement
  51. ppe no communication problems!!!
  52. White smoke / additives / injectors???
  53. injector cup question
  54. 02' with p0101 code
  55. Need help bad with coolant leak
  56. Rear End Issue
  57. Died an won't start
  58. Coolant leak
  59. LB7 injector balance rates of 0.0 in park
  60. SES Light
  61. Need opinons for my new truck !!!
  62. 03 RCLB questions!!!
  63. Bad MPGs after sudden stop
  64. Dash problem
  65. 03 LB7 Duramax Fuel Injector Control Module Fail after injector change
  66. How to tell difference between 10.5 and 11.5 Rear Differential
  67. Replacing Glow Plug Relay
  68. P0776 limp mode HELP/advice
  69. 01 lb7 injector rebuild or replace opinions
  70. I've had two Allison's go out
  71. 03 LB7 cranks but won't start
  72. lb7 runs on 4 cylinders when cold
  73. New tires and wheels
  74. Blew apart my rear differential internals
  75. Engine oil.
  76. Grinding/creaking sound from under the truck
  77. 2003 LB7 no start
  78. Smoke screen gone
  79. Mystery loss of power under load
  80. LB7 Injector Cores
  81. LB7 diy return rate test help
  82. Need help! Rough idle no ac
  83. Need help. Loud clicking noise under hard eacceleration.
  84. 03 lb7 wont stay running on cold days (remote start)
  85. Cp3 pump leak around fitting.
  86. Confused! got a few ? please help
  87. 2002 lb7 bad head?
  88. I f&cked something up. help needed
  89. Rail Pressure & Balance Rates 2003 LB7
  90. EFI Live From Dyno Proven?
  91. Looking at used LB7
  92. Wire issue related to limp mode?
  93. Head Gaskets or injectors?
  94. Internal transmission filter
  95. 2003 lb7 no power
  96. Installed Fass now wont start
  97. UCA, Ball Joints and Leveling
  98. ABS kicking in at low speeds
  99. advice on lb7 injectors
  100. 2002 with 50k, Issues here
  101. 2004 LB7 Transmission in an 05 LLY?
  102. pinion bearing shredded
  103. smoke from turbo
  104. 2003 LB7 Intermittent starting issue
  105. LB7 stalled won't start. Stuck on a mountain
  106. Oil and coolant still mixing after oil cooler replacement!
  107. Can you check injector balance rates using dash command app or iPhone?
  108. LB7 Injector Terminal Wire Polarity
  109. LB7 "Bog"
  110. Uncontrolled Acceleration and now no start
  111. LB7 Transfer Case/4WD Questions
  112. More White Smoke after Injector Cleaning
  113. LB7 wont start
  114. STRANGE extra high cylinder pressure...
  115. Erratic shifting, limp mode, codes, don't know where to go. Please help?
  116. FASS Overpressurizing
  117. Transmission Fluid change..or not?
  118. stock lb7 mpg
  119. Recurring Misfire..?
  120. Surging and Loping...
  121. lb7 wont start
  122. what egts do yall run
  123. 2004 gmc lb7
  124. help think i poped an injector
  125. Lb7 goes into limp mode as 138Mpa rail pressure
  126. So Cal diesel shop
  127. losing prime
  128. Another high idle/PTO thread with a twist
  129. Cooling issue
  130. Injector wire terminal nuts.
  131. Failed Opacity test Bad!!
  132. Truck wont start. Need help!
  133. Is the power supply voltage for the FPR 12V?
  134. injector noise
  135. Injector, regulator or electrical issues?
  136. Bad CP3???
  137. Question for Brent
  138. 2003 6.6 starts but dies after a few seconds
  139. Bad fpr or something else
  140. swaping in a zf6
  141. Pinion Bearings in the rear end
  142. Need help!
  143. Lb7 Died Now No Start
  144. injector balance rate testing on the cheap
  145. oil in intercool line
  146. Oil Something on Passenger Side
  147. Leak check
  148. Fuel restriction from the tank
  149. LB7 intake horn gasket leak
  150. Intake Heater Issues--Ca Emissions
  151. Injector balance rates
  152. Help!!!
  153. Is this corrosion common?
  154. Tranny question
  155. help ran out of fuel
  156. Smoking. Rings? Injectors?
  157. Lb7 p0404 Code
  158. putting on shackles
  159. voltage fluctuates not batteries or alternators
  160. loss communication to ficm
  161. LB7 engine swap to LLY
  162. Possible to replace broken wastegate?
  163. Injector cup came out on LB7....
  164. Off Road diesel
  165. Injector failure prevention tips?
  166. shudder in gear and light accel
  167. Typical lb7 troubles
  168. high altitude shift problems
  169. Bluetooth wireless OBD 2 reader & torque pro app
  170. Reoccurring nightmare
  171. Injectors
  172. balance rates
  173. issues at 2500 rpms
  174. 01 lb7 will crank but not start! won't even start with ether!
  175. brian crower connecting rods??
  176. Tachometer Help
  177. truck dies but starts back up please help! !!
  178. LB7 misfire at 2500 rpm
  179. egt gauge working backwards
  180. 2004 lb7 few issues
  181. Lincoln Diesel Specialties website
  182. tranny help
  183. 2003 LB7 Needing injectors
  184. Fuel in oil after injector replacement
  185. LB7 Codes P0404 P0405
  186. 2003 duramax power problem; HELP
  187. Turbo torque specs!!!
  188. New injector balance rates
  189. Idler pulley mistake
  190. Picked up 02 lb7 project truck. A few issues.
  191. '03 hard start/no start. Dealer says....
  192. P0193-Low fuel pressure, FPR below DFRP
  193. fuel pump/sender retrofit for LB7
  194. tas or reduce power
  195. 03 injector questions
  196. engine wont start 4 codes
  197. Lb7 wont start after stalled
  198. LB7 Intermittent Smoke
  199. Get stock or 30 over injectors?
  200. Fix for stripped out injector hold down bolt
  201. Lift pump + filters or Nicktane + CAT?
  202. Can't solve P0101 for MAF
  203. Lift pump + running new fuel lines
  204. Stiil trying get my trck running
  205. Silicone on FPR okay??
  206. 03 LB7 hard start, black smoke
  207. What not to do!!! ???
  208. 2003 running hot?
  209. MAF grams/sec reading
  210. Lb7 Smoking. Help
  211. no start
  212. Rear Main seal maybe?
  213. 03 fuel issues?
  214. Haze at idle...
  215. Injector decision help
  216. High Idle Mod
  217. injector wiring problem one bank reads 7.00 and the other reads 15.00
  218. Bad Reman Injector?
  219. Help guys. Video here
  220. High egt's
  221. Security Light
  222. problems
  223. Lb7 idle smoke
  224. Injector Hard Lines
  225. Hard start....
  226. Hard start after it sits overnight
  227. Transfercase problems!
  228. Lb7 Start Issues
  229. Bogging down holding back
  230. Tranny cooler line leak.
  231. Are LB7's reliable?
  232. Where's the best place to get fuel lines?
  233. MAF Cleaner Didn't Work
  234. 01 wrecked duramax won't start
  235. 03 LB7 ECLB 176k for 17k?
  236. Good deal on a Duramax?
  237. Fuel problems!!!!
  238. Desired rail vs actual..how much variance is acceptable?
  239. Newbie
  240. Found a good deal - Is it worth it?
  241. Fuel leak
  242. help
  243. Lurching when letting off throttle
  244. LB7 Injector Balance Rates - Quick Question
  245. LB7 ocasional rough idle harder start
  246. Lb7 ecm
  247. Still losing prime after filter head rebuild
  248. here we go again lb7 won't start
  249. 03 2500HD P0087 - Low Rail Pressure
  250. No crank, no start LB7

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