04.5-05 LLY Duramax Powertrain [Archive] - Chevy and GMC Duramax Diesel Forum

: 04.5-05 LLY Duramax Powertrain


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  1. Reverse problem with surging or missing
  2. LLY help
  3. Changing headgasket.
  4. Missing or surging while driving at like 55-65.
  5. Rough idle in gear/possible injector issue
  6. Stock fuel capabilities on 05 LLY
  7. new to me duramax
  8. Oil leak oil pressure issues
  9. Thermostats
  10. Turbo tweaking out. Help please
  11. Ran for 30 sec then died now won't start
  12. 05 LLY diagnosis
  13. Blower Motor Resistor
  14. thermsat
  15. Lly intermittent oil pressure issues and DIC warning message
  16. Bulletproof front suspension?
  17. Need Motor Help ASAP Please!!
  18. No start, puffing noise out intake?
  19. Limp mode when hauling a load
  20. Rear caliper replacement?
  21. Coolant hose Leak.....
  22. P0090 and limp mode
  23. Bullydog PowerPup
  24. Injectors were carboned up bad ..!
  25. Head Gasket Dilemma
  26. Shaking at 55-65mph
  27. Leaking coolant but passing every Pressure Test! Help!
  28. 05 LLY No Boost runs fine with no codes
  29. Another injector thread....maybe??
  30. Exhaust gas temperature!
  31. High Pitched Whine Please Help!
  32. Head Gasket Replacement procedures?
  33. ran dry
  34. Leaking Brake Fluid
  35. Changing FPR this weekend. What else to change while I'm in there.
  36. Replacing HG, debris scratched cylinder walls
  37. My truck won't start, makes a ticking noise?!?!!?
  38. LLY rough idle, no power
  39. Where do I find a Reluctor wheel for an LLY?
  40. Truck will not start and blows the EDU fuse
  41. Reluctor wheel
  42. Gauges
  43. Making LBZ mouthpiece work with Airaid stock CAI
  44. EGR Delete Help ASAP!
  45. Engine Temperature
  46. detonation sound ?
  47. Lly "chugging"
  48. help needed
  49. 299 underboost
  50. Rattle/knock
  51. 05.5 GMC Duramax?
  52. 05 sierra lly rebuild
  53. Solid axle
  54. LLY was Running Rough, Now It Won't Start
  55. Ball joints
  56. Fuel Injector Balance Rates
  57. ATP trucks TCM tuning review
  58. Need opinions: low rail pressure
  59. Engine surging diagnosis
  60. Injector Seal Kit and Leaky Injectors
  61. LLY ISSUES need help (possibly HG?)
  62. Bad vps or stuck vanes
  63. 05 lly died an won't fire back up???
  64. No crank, no start 04.5 LLY
  65. LLY lack of power
  66. 911 - Stranded in Dayton, OH. Trans stuck in 4th
  67. Truck ran no air filter for awhile
  68. LLY Rail Pressure/Cold Start Question
  69. EGR delete
  70. AC clutch removal Help
  71. P0700 p0732 p0841 p0486
  72. Poping noise when starting
  73. 05 lly pop when starting
  74. P1294/1296
  75. Codes.....
  76. Just purchased
  77. GM Duramax specific codes
  78. 4 wheel acutator broke off in transfer case
  79. FML, blown HG
  80. multiple issues at 1 time
  81. Changing fuel cooler
  82. New Build with P0089 and P0090
  83. EGR bypass question, 05 LLY
  84. Where should I start!?
  85. ECM differences
  86. Coolant in the oil and some oil in coolant
  87. overheating
  88. 2004 LLY no Start
  89. Hissing and running like s***!!
  90. Best Oil?
  91. First Duramax, New to the Forum
  92. Range Shift Inhibited - Next Step ?
  93. Fitting on Injection pump leaking need help
  94. EGR delete CEL codes
  95. Mpg drop any ideas??
  96. helppp!!!!
  97. Fuel pressure regulator
  98. Lly loud injectors or cp3
  99. 05 lly abs codes
  100. New guy looking to buy...
  101. Surge idle continues
  102. 2005 LLY fuel starvation problem??
  103. LLY Hegaskets??
  104. 05 LLY Blowing bad smoke after a good warmup. Maybe limp mode?
  105. Torsion bar help
  106. DIC shows Low Coolant Level
  107. Little round injector hold down pin
  108. slight lope when running 2-stroke oil
  109. 05 lly code po335
  110. Rough Idle
  111. LLY Hesitating and Rough Idle
  112. Tranny problems
  113. Coolant Overflow Pressure
  114. limp mode
  115. replaced both battery's now the truck wont turn over
  116. Fuel Return Rate PID
  117. 04.5 LLY no start w/ low rail psi
  118. Weird noise
  119. Buying a 2005
  120. Issue with engine temp
  121. Awful noise when decelerating LLY
  122. 05 egr deleted now I have codes. what do I do?
  123. What Happened
  124. Injector noise after head gaskets, fpr, fprv, pcv reroute.
  125. 2005 Silverado 3500 heater/AC fluid outflow
  126. Range Shift Inhibited/P0700/U1301
  127. High Oil Pressure issue
  128. Intermittent crank no start
  129. Pinion bearing DIY?
  130. Could FPR be bad AGAIN?
  131. Head gasket/ block question
  132. Live Data Scanner
  133. '05 Thermostat questions
  134. Just noticed a leak
  135. Pushing coolant after new heads and gasket
  136. Fuel Leak from injector
  137. 6 to 5 Speed Swap...
  138. Convince me to keep my truck
  139. Engine surges at idle in drive
  140. Coolant temp gauge
  141. Transmission fluid and external filter
  142. Doing head gaskets, just pulled injectors.
  143. Head Gasket, 05 LLY
  144. HELP Battery drain parasitic draw or something else.
  145. ABS Light and "Service brake system" message appearing
  146. LLy open injector and fuel supply circuit codes
  147. 05 lly grey smoke
  148. First Time Diesel Buyer
  149. Limited RPMs at Op Temp
  150. Thermostat Change, are these temps normal?
  151. Coolant Issue!!
  152. lly ecm service numbers
  153. Rear end popping/slipping noise and vibration.
  154. P0700
  155. LLY Service 4WD, Airbag Light, Voltmeter Problem
  156. Half injectors work
  157. Truck Died will crank but not start.
  158. EGR Delete 05.5-05 LLY
  159. broken glow plug
  160. Boost increase vs power increase question..
  161. 2004 durmax diesiel hd 4 wheel drive lly
  162. Help!!!!!!!
  163. 05 Duramax Trans upgrades for heavy towing
  164. 05 duramax pushing water out overflow
  165. Lly 5 volt reference
  166. lly duramax no start please help
  167. LLY Temp Fluctuation
  168. Boost tube blew off!
  169. P0046 code, no boost
  170. fuel issue STUMPED
  171. Bad Injector? Knocking!
  172. T-Stat/Coolant expansion tank question
  173. P0802 code & tcc problems
  174. New exhaust: p0700 p0299 p0116
  175. No power, rough idle and slow throttle
  176. lly no readings on rail pressure or injectors
  177. LLY Cold Start Issue
  178. Pto/high idle intermittently works
  179. Poor mileage
  180. LLY Knocking upon medium to heavy throttle
  181. Cam Sensor Issues
  182. Rough idle, no throttle response and no power
  183. Trans overheats with no load.
  184. Over fueling
  185. Tore down for headgaskets
  186. Headgasket or something else?
  187. Video-- 2004.5 LLY strange under hood noise
  188. LLY P0101 code
  189. EFI Live cause bad Headgasket?
  190. Engine just died... not getting fuel
  191. Oily/wet dirt around injectors help
  192. Timing Cover removal help! no oil pressure
  193. 7.8L 6HK1 Turbo For LLY Drop In??? HELP
  194. Power seat problems
  195. 2004.5 LLY Fuel Problems
  196. My broken egr valve
  197. No start duramax
  198. This forum is great!!!!
  199. Air In Coolant
  200. Looking to upgrade engine components
  201. flex plate upgrade
  202. Underboost code/ Cold Start Issues
  203. 2005 Silverado Rebuild
  204. Help with multiple codes
  205. Complete 05 Dmax.. whats it worth?
  206. Looking for answer to acceleration knock when warm
  207. NEW and need help!
  208. engine knocking?
  209. 2005 LLY starts, idles fine but stalls and smokes
  210. Impossible engine shake @ idle and other issues *tried the usual stuff*
  211. milling heads
  212. LLY timing knock/Injector knock/Pilot Injection?
  213. Mysterious Coolant Leak
  214. Where to get the correct glow plugs
  215. Blue/white smoke while idling in gear
  216. Odd Shifting & Engine Surging?
  217. Oil Leaking from Turbo???
  218. Possibly not the head gasket?
  219. Balance rate help
  220. 4x4 unlocking hard! Help........
  221. LLY no start no crank
  222. Pulling motor
  223. Where is my leak?
  224. 04 LLY Chirp at idle
  225. Rear Differential Issue, kinda urgent
  226. dead in a parking lot?
  227. Dual Tank Replacement Question
  228. 2005 lly wont start.
  229. Um..I found a plug...
  230. Truck will slowly rev in park but nothing once in gear
  231. 2005 GMC 6.6L LLY duramax start and run issues
  232. 05 lly weird start
  233. New Injectors?
  234. Basket case? Smoking
  235. What would you do?
  236. MAF and MAP sensor testing
  237. Engine Temp/heater/fuel problems
  238. No low rpm power
  239. t-stat most likely failure mode
  240. rough at idle
  241. help truck wont start
  242. 04 LLY cranks but won't start
  243. 2005 LLY Loud Valvetrain or Injectors
  244. 2005 LLY Weird balance rates
  245. LLY won't rev over 2300 RPMs in park
  246. Idle - RPM increase ???
  247. need a second opinion
  248. Compression blowing around injector
  249. Rear end locked up
  250. Transmission skips 4th gear?!?!?