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



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  1. Let the cold air in
  2. Fuel Leak
  3. 3.5" Flowmaster muffler
  4. Tall tires Lower RPM?
  5. transmission shift cable
  6. New heads now wont start
  7. Clutch Master Cylinder Failures
  8. Heater in fuel filter
  9. Looking at a 1993 (new member)
  10. time for injectors
  11. broken bolt extraction
  12. 6.5l N/a problem
  13. injector
  14. new engine horrors!
  15. 96 6.5 with a miss
  16. What RPM's are you @ 70 ?
  17. Code 39 and Code 78
  18. Suspect Bad Fuel Injection Pump - Going To Dealer
  19. Alternator Issues - Maybe?
  20. new rebuild gasket question
  21. Engine Pulling question
  22. Hvac
  23. building a high horse engine
  24. Porting
  25. Newbie questions...6.5 Turbo
  26. 93 6.5 Waste Gate Control
  27. oil pump driver
  28. GM IP Warenty
  29. turbocharger repair
  30. Fuel filter
  31. pmd?
  32. Turbo question
  33. 6.5TD no fast idle
  34. Simon, any more info about "new" block?
  35. I'm getting slight surge and "softness" in am!
  36. Coolant Leak, front engine
  37. GM-6 Turbo
  38. 94 suburban 126,000 miles
  39. Is this the turbo drain-back?
  40. Oem Lp Gpm ????
  41. turbo life expectancy-"94"
  42. New owner, 1999 3500 crew cab 4x4
  43. 94 6.5 hard starting-won't start'
  44. need power w/o killing my motor?>?>?
  45. No towing power and no overdrive?
  46. Propane injection
  47. what should I install next?
  48. Gettin' a new engine!
  49. 94 6.5 Dual Alternator Conversion
  50. efi for 6.5
  51. 95 suburban power problems
  52. Oil Pressure Switch
  53. Tire size calibration
  54. Westers Garage OBD2 Programming Software
  55. How do I R&R my '95 Ignition Switch?
  56. You have to love 6.5s
  57. Missing problem in a '94
  58. 94 to 98 swap
  59. Hard Starting Proplem
  60. Adjusting 6.5L TD Belt Tensioner
  61. K3500 overhaul - good news and bad news + questions
  62. PMD do it myself?
  63. newbie..few issues
  64. 6.5 TD died Not PMD/OPS/Fuel Filter/air/no codes
  65. Worn injectors and/or blowby?
  66. starter issue?
  67. carcode questions
  68. Low Fuel Pressure
  69. 1995 gmc 6.5 td
  70. 98 with cracked heads
  71. OBD2 Tuner Issue
  72. Scary failure
  73. Injector Line set Part numbers
  74. Fuel Line / Flow Diagram
  75. Potentially stupid oil change question
  76. Engine Knock
  77. Crankcase Vapor Condensor Update
  78. Glow Plugs
  79. New Blocks and such from Diesel direct
  80. Just an idea
  81. DB2 Stanadyne IP cover special Torx head screws?
  82. Bad Pump???
  83. Dual thermostat housing how to seal?
  84. Is this a bad sign or what??
  85. DTC 13 on a 6.5TD
  86. Dtc 17
  87. "ABS anti lock"
  88. TDCO and Degrees too much?
  89. Wierd brief noise???
  90. i want to hear the turbo
  91. Torque and block breakage
  92. Truck Down
  93. ULSD Is No Fun!
  94. Aux Fuel Tank?
  95. Cabin filter on a '96?
  96. Alternator or Short?
  97. New at this, ran out of fuel, what do I do?
  98. backup Fuel mode
  99. Full Girdle casting
  100. Name this connector??? no pic
  101. Belt Length Dual Alt W/o Vac Pump?
  102. Bucking, surging or ??
  103. Where to purchase new heads.
  104. Size of holes for water passages in Head Gasket.
  105. Surging?
  106. lack of power..no boost
  107. Intercooler ????
  108. OBDC II Codes P0251 and 0370
  109. Brown smoke when I dump the throttle??
  110. 6.5 sleeve installation
  111. EGT questions and a near-calamity
  112. Electric door locks
  113. Convert to Non-EGR
  114. Converting from Electronic to Mechanical Fuel Injection
  115. runs good...but different..
  116. Hard to start warm?????
  117. no power to lift pump
  118. What happend to the "Mystery Turbo"?
  119. best block, heads, crank,ip etc ??
  120. IP gear "ring"
  121. Just bought a '93 K2500?
  122. 6.5's in Australia
  123. 6.5TD lifter source?
  124. service engine soon light
  125. Drove to NC (from PA), cracked a piston, good times...
  126. Injector Pump change question
  127. Code P0251
  128. TDCO / Carcode
  129. Broken crankshaft 1995 6.5
  130. Looking for Diesel shop in Chicago - Niles IL (60631)
  131. Starter, Blown Fuse??
  132. valve cover breather
  133. Barely runs/black smoke?-------
  134. Exhaust Sound.....
  135. buying a IP, what do I need to know....
  136. Diesel Direct block/crank arrived
  137. CarCode setup and ABS codes
  138. New Version of Carcode is now on OBD-2.com
  139. Auxilliary Electric Booster Fan
  140. Rering or Rebore ?
  141. refrigerant?
  142. Grear ratio for a 1998 GMC Sierra
  143. What spares to carry
  144. '94 6.5 Locked Up, Need Motor or Rebuild
  145. Starting Problems
  146. Fuel Pump Priming Wire
  147. Foam Galore
  148. Looking for a good quality service manual
  149. Dual Thermo Crossover Pipe
  150. Blinking Brake Light
  151. First Diesel
  152. 6.5L TD Stalls and Missfires Stumbles
  153. 6.5L Enthusiast?
  154. 1999 K3500 6.5TD overheated, smokes, runs rough????
  155. Belt sliding on edge of vacuum pump and crank position sensor
  156. Cat Controller on 6.5 Hummer?
  157. New owner with some questions, batteries for now!
  158. Wait to Start Light Blinking after start.
  159. Here we go (stall) again (sigh)
  160. Intercooler Aux. Fan?
  161. 96 6.5 TD No Start
  162. Flo-Pro 4" exhaust
  163. Head gasket change??
  164. Surging on light thottle
  165. K&Nreplacement air filter
  166. Another Smoke Thread
  167. Another newbie request.
  168. Need Part Name: Cooling
  169. whick vacuum lines to replace?
  170. 95 starts ok than dies.starts again and runs fine
  171. died no start
  172. Battery draw of 1.5 amps, how to trace it...
  173. Code 236
  174. Crankshaft from 6.2 in a 6.5 block (599)
  175. Is the Turbo-Master the cure all????
  176. To all , OPS failure,what part fails.????
  177. Aux fuel filter installation, is it worth it?
  178. Will a cap off a '86 fit on a '96?
  179. Boost gauge....where doe sit go?
  180. Injectors????
  181. OPS & Fuel Filter
  182. 98 Sub new 6500 missing
  183. New Pmd Problems
  184. level of noise I can expect
  185. Tach?
  186. EGR Code 406
  187. lift pump
  188. Which 6.5s are worth buying?
  189. Why aren't headers readily available?
  190. Anyone own a 1995 or 1997 1ton 4x4 crewcab dually 5spd
  191. Question about Injector Pump Timing
  192. GM Goodwrench 6.5 $1400
  193. 1997 engine swap into a 1995 5sd setting DTC Codes
  194. Any way to check if a truck has a dual-mass flywheel or the solid flywheel??
  195. Dual Idler Gear Phaser Kit?
  196. torque values
  197. Truck Stalls and quits??
  198. 6.5 - Common Problems Thread - NEWBIE
  199. Thermostat?
  200. Stud Girdle Kit
  201. Rough starting 6.5TD
  202. No gasket on intake....
  203. stalled again
  204. Excessive smoke & missfire
  205. installed 40hp chip, now it misses
  206. Need camshaft
  207. Injector Lines
  208. WasteGate
  209. New truck... UH-OH!
  210. gm part number for IP
  211. GM p/n for Serpentine belt tensioner
  212. HELP - No Start !
  213. When it rains it pours.
  214. Please help me... No Start
  215. 1994 6.5TD - Code 36 - Injection Pulse Width Error (Response Time Long)
  216. Peltier Thermo-electric cooler for the PMD
  217. Idea for EGT location comparison
  218. Painting exhaust manifolds?
  219. 5521 IP rebuild instructions wanted
  220. Need to purchase OBDII diagnostic reader HELP
  221. Newbie with questions
  222. aux. lift pump in series
  223. Just one more Sol D thread
  224. Hello, and question?
  225. Any difference in reflash ECM's
  226. Clicking Sound near Air Filter/ Turbo
  227. New member with questions?
  228. Tools, manual, specs for timing 1993 6.5L TD
  229. ? regarding 18:1 slugs
  230. Fel Pro Quality
  231. Got a '98 3500 6.5
  232. Question for people using TranSynd
  233. Blocked CDR?
  234. Anyone ever try this? Or is it snake oil?
  235. Turbo Feed Line
  236. oil remote system? right size?
  237. Dtc 46
  238. Additional fuel filter/water seperator
  239. Injectables
  240. Paraffin as a pump lubricant
  241. first time to own, sluggish, help
  242. Splayed mains - does the 6.5TD share the same main caps as a regular BBC?
  243. Air Filter & Inner Fender -- What is this?
  244. turbo oil blow - by on intake?? HELP
  245. Difference between 98 and 99 Suburban
  246. Black smoke when hot
  247. TDC learn with OTC Genisys?
  248. Turbo surge
  249. Anything Special About Our Radiator Caps?
  250. 6.5 Starter Options?