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View Full Version : 6.5L Turbo Diesel - Tech Support - Troubleshooting - Performance



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  1. alternator & belt adjustor
  2. Bench Testing DS-4 pumps
  3. OPS lifespan survey
  4. L56 to L65 ecm change-heavy black smoke?
  5. FSD Mounting location, as pictured in the ad
  6. 4L80E Shift Points
  7. FSD extension harness
  8. what does a wastegate solenoid do?
  9. FSD failure ??
  10. 94-97 Sub Downpipe fit 99?
  11. Correct Head Gasket Installation?
  12. Need help choosing exhaust!
  13. Inj pump life expectancy after Lift Pump Failure
  14. DS-4 timing, OBD-1
  15. Freshing up the truck
  16. Bilstein shocks
  17. Truck off in Ditch full of water
  18. FSD failure with extension harness?
  19. oil sprayed pistons??
  20. oil sprayed pistons??
  21. load chater while starting
  22. Serpentine Blet Question
  23. Should I buy this Suburban?
  24. Alternator pulley diameters available...
  25. What brand of oil are you using?
  26. manual glow plug controler
  27. Why is my idle fuel rate so high?
  28. 6.5 engine swap
  29. Is my starter going out?
  30. Bigger turbo options (Britannic)
  31. Gauge Install question
  32. SES light and Diag. Codes
  33. Ceramic Brake Pads vs standard pads?
  34. Ratio Info
  35. engine won't start
  36. unpleasant experience today
  37. Dude...where's my jack?
  38. Can I fix bent Rad fins?
  39. 98 6.5L TD G3500 Chev van coolant leak
  40. harmonic balancer
  41. Questionable Ebay truck observation.
  42. removing pmd without taking intake off
  43. Engine Timing
  44. Fast Idle Switch?
  45. ebay truck what do you think?
  46. Where to put a bypass filter?
  47. high idle switch
  48. high idle switch
  49. Can I build my own exhaust system?
  50. Looking for markelectric
  51. Oil use?
  52. timing gear set
  53. Pyro And Boost gauge installation tips and suggestions needed!
  54. changing to newer style water pump
  55. Torque on wheel studs
  56. Fluctuating temp gauge
  57. Towing in drive - turning 2400 rpm @ 55 mph
  58. Anyone have pics of their trimmed bumpers for larger tires?
  59. blue white smoke at start up when cold.
  60. C2500 Front Suspension
  61. Anyone with 6.5TD with dual exhaust? I would like to hear about it
  62. Ebay truck fixed. Well, sort of....
  63. oil cooler lines
  64. Waste Gate Actuator
  65. 6.5 haulin' and stallin'
  66. 2 or 4 row radiator from factory
  67. New BB server!!!
  68. will turbo fit on factory manifold
  69. Sudden Death - The Ongoing Saga
  70. INTAKE
  71. Blast from the Past!
  72. Non turbo pumps
  73. Intake Air Heater
  74. Winch Bumper
  75. crankcase vent
  76. Can I remove my Oil Cooler?
  77. Relocating Fuel Filter on '96 6.5TD
  78. MorePower- IP Warranty Update
  79. blower motor
  80. How to detune EGR and add boost on 96n up
  81. UPGRADED INTAKE OPTIONS?
  82. OPS Lift Pump Relay
  83. Dampers and Pulleys
  84. Removed catalytic(sp) converter today.
  85. cooling mods on mechanical injected truck. revisited.
  86. Glow Plugs
  87. Water in Transmission.
  88. everyone with timing gears
  89. 6.5TD Power Project Truck
  90. Injector knock?
  91. Exhaust pressure
  92. seats
  93. removing Injector pump
  94. what injectors to buy??
  95. Rear disc conversion
  96. Opinions, please. Should I buy?
  97. VSP glow plugs
  98. Sudden Death - The Ongoing Saga - Chapter 2
  99. Consuming coolant?? Strange vibration?? Am I just having way too much fun?
  100. 2 Lift Pumps
  101. 6.5 flat panel air box
  102. OIL PRESSURE GAUGE
  103. Did I cause my HG to blow?
  104. Suggestions for First MOD
  105. Bad Ground Causing Stalling?
  106. Safe to use synthetic oil on my Ebay truck?
  107. glow plug relays
  108. Every GM Secret You Never Wanted To Know
  109. Code Question
  110. A/C starts and then quits
  111. 99 Tahoe 6.5td: 127 to 171hp (long)
  112. white smoke
  113. ? for Tanker
  114. Waste Gate Vacuum Actuator
  115. Won't start, no dash lights
  116. rear main seal and camshaft plug replacement
  117. What does it mean when oil is heavy in the air filter?
  118. where is the PCM in my '93 chev 6.5TD?
  119. Tech Line
  120. to chip or not to chip
  121. Do I really need a VAC pump???
  122. Lock up Convertor
  123. DS Injection Pump Warranty #00064D
  124. Should i change my GM3 turbo to GM4 or GM8?
  125. Engine Noises
  126. 93 6.5 turbo trouble
  127. my codes and what to do
  128. Anyone have a B&M electronic shift kit? I need help!
  129. Installing resistor to increase glow plug cycle time
  130. performance- where to start
  131. Part number for 94 6.5 Glow Plug Controller?
  132. Transmission replacement?
  133. 98 6.5 rough idle
  134. WHERE TO BUY GAUGES
  135. Changing from duals to single rear wheels?
  136. injectors pop
  137. New Guy!
  138. Cold air intake
  139. DS4 IP ?s
  140. Coolant Level light
  141. borrowed time??
  142. manual transmission flywheel
  143. What do you think???
  144. GEAR RATIO CHG/REPROG PCM ?
  145. TDC at "0"
  146. chip causing transmission failure?
  147. gas mileage
  148. When to grind valves?
  149. Thermostat Warning!
  150. Sudden Death and Melted Wires
  151. Need some help
  152. Fuel Filter
  153. low power
  154. Fuel temperature 160+ Concern?
  155. Injection Pump Timming
  156. Beware of High Mileage 241 Transfer Cases
  157. New Found Horse Power!
  158. Exploding spare tire!!!
  159. 97 Cooling Mods and what else to beat the heat?
  160. Oil cooler lines
  161. 4L80E lock up in 2nd gear
  162. Harmonic Balancer
  163. LUK PRO GOLD CLUTCHES
  164. Shock Question
  165. Strange Clunk
  166. Radiator Rodding
  167. 4.10 to 3.73 DONE
  168. EGR you kidding me?
  169. glow plugs cycling on and off
  170. IP Timing and TDC Offset Learn
  171. need help ASAP
  172. Farm Fuel Use
  173. N241 Transfer Case Fix
  174. FSM
  175. Life of Water Pump & Belt Tensioner
  176. My Truck Has Attitude!
  177. Check engine light
  178. Best gauge/exhaust package?
  179. DISPLAY TROUBLE CODES?
  180. Calculate your 1/4 mile times
  181. 99 Tahoe 6.5td FS on ebay
  182. How to identify needed injector pump
  183. Replacing Engine Info
  184. GM Decals
  185. Proper Jack & Jackstand Placement
  186. Turbo Wastegate Solenoid
  187. lift pump question
  188. Cleansing Engine Oil, Block & Cooler
  189. new down pipe and problems
  190. Smoke
  191. What d'ya think of this? Homemade intercooler
  192. 6.5 COMPLETE ENGINE PICTURE
  193. 4L80E shift into neutral problem
  194. Intercooler options
  195. Power advice
  196. 6.5TD EXPRESS Van
  197. I have committed a syn.
  198. GM PCM DATA
  199. Catalytic Converter Question?
  200. How does boost affect fuel economy?
  201. oil pans
  202. Error Codes when to check for them
  203. water in fuel, now DTC17
  204. Cracked Block?
  205. What is "GM Campaign"??
  206. Starter
  207. What to check when buying???
  208. New banks exhaust
  209. D.T.C.
  210. Who Makes The Best Exhaust Period.
  211. replacement fuel pump and injectors pricing
  212. Laptop Owners/OBD2 interface: HELP
  213. Increasing glow plug cycle time
  214. What happens if a thermostat sticks closed?
  215. Metal in Fuel?
  216. Unexplained Stalls But No DTC Codes, Even When I Try!
  217. Clogged Fuel Filter Symptoms Include Sudden Death Syndrome?
  218. seat covers
  219. Touchup paint thinner?
  220. 400 Shift points
  221. Using resistor to increase glow plug cycle time
  222. 6.5TD Power
  223. crack in line from wastegate seliniod
  224. Glow plug cycling
  225. hard starting to no start
  226. PMD
  227. VIN check & carfax report please...
  228. Gear Vendor Overdrive
  229. Intake manifold bolt torque
  230. Biodiesel
  231. Help!!! 4WD won't engage!
  232. Am I in Limp Mode or is my tranny in trouble?
  233. 90 amp alt. VS 124 amp alt.
  234. Help. WHite smoke on startup
  235. Turbo oil return adapter on block. What's the deal?
  236. FSD/PMD Failure - Covered by Warranty?
  237. improved battery connections work!!!
  238. Timing Advance
  239. 4L80E tranny rebuild hardware suggestions
  240. FUEL PUMP
  241. heater blower problems
  242. changing the antifreeze
  243. weard knock at 2500 +"help"
  244. DMax Fan/ '97 Fan Clutch clearance Question....
  245. which downpipe is best?
  246. Rebuilding a GM-5 turbo
  247. annoying rattle/vibration possibly TRANS??
  248. starter problem?
  249. Removing turbo oil drain.
  250. power steering