View Full Version : PCM Diagnostics & Tuning



  1. question about tuning and a 111+2 cam
  2. Strange issues with my tuning program files
  3. Input needed, 02 sensor issues
  4. Able to switch between HPTuners and EFI Live on tune without issue?
  5. wrong voltage to crank sensor - MAF - MAP etc...
  6. are all 4l60e's the same??
  7. No Tach after motor swap
  8. Question about throttle lag at WOT...
  9. At the end of my rope?
  10. P0107
  11. Gaskets and PO1133 and PO1153
  12. misfire, long term fuel counts?!?! diablo tuner
  13. Tuning a TSP 228 cam in 99 transam
  14. copying an 02 tune to a 98??
  15. Lean cruise on a 2000?
  16. Altitude Change, Do I need to retune?
  17. dfi or xfi worth it for me?
  18. Will hooking up O2 sensors incorrectly hurt my PCM?
  19. Factory PCM 3-bar SD ... Keep it or replace it?
  20. The Tuning School?
  21. Autotap?
  22. Tuner Locked my PCM!
  23. 99-02 fbody pcm pinout vs 99-02 truck pinout
  24. Simple dumb question lol
  25. Which wire is the tach wire? 2000 LS-1
  26. tuning school in south florida?
  27. anyone using msd 6ls box
  28. Code 336, new engine, advanced diagnostics, etc.
  29. How much heat can the stock computer handle without frying?
  30. NGK Powerdex AFR Display
  31. Can anyone tell by my data log if I would benefit from a dyno tune?
  32. Computer tune; DBW or cable throttle body?
  33. Gauges Don't Work
  34. car will not turn over with key
  35. need some help with idle issues on my new dyno tune.
  36. PCM Tuner for a 98 WS6 T/A
  37. help, what do i need when buying a used efi live
  38. Best place to buy HP Tuners besides HP Tuners?
  39. nexus wideband to hp tuners
  40. Cold air tuning
  41. How to disable "TCS OFF" light?
  42. Cold start idle rpm for cammed A4
  43. Question on loading a tune...
  44. Need help with my tune
  45. Need info on running a F.A.S.T XFI/EFI system...
  46. Mail-in custom tune service
  47. Weird OBD and Smog problems
  48. Idle tuning for smog sniffer test
  49. Has anyone used Autocomputertech.com for programming or wiring modifications?
  50. U7198 Predator Tuning question
  51. Timing question
  52. Wide Band Question
  53. pcm question
  54. Problems getting wide to work
  55. idling high and dieing
  56. monitoring 02 sensors with hp tuners....
  57. can i use my diablo tuner on a tuned car?
  58. Spark plug tuning question
  59. Help-Crank Relearn E38 ECM
  60. How much leaner will a FAST intake make my A/F?
  61. Computer differenced between 00 and 01?
  62. Strange Codes
  63. Help w/efi live usb driver for 7.5
  64. OLSD VE adjustments and no change in afr?
  65. which 02s are the front?
  66. what is the fuel pressure to be on ls1
  67. msd 6010 help!
  68. hand held or dyno
  69. Ls1 edit tune basics
  70. What speed is our speed sensor? Will this work? 95 3.4 v6
  71. swapping 1998 A4 vette to M6
  72. hanging idle at 2k, then dropping/dying
  73. What do these codes mean?
  74. 5.3 with LS1 computer question.
  75. Closed loop without O2 ready?
  76. I need some help!
  77. DBW TPS WOT Relearn?
  78. HPTuners Tune for Sheetmetal Intake
  79. Hypertech Tuner Questions...
  80. Camshaft Tuning
  81. 5 Wire MAF Wiring Help
  82. 98 Sending unit.. How different from 99+
  83. after tune cylinder 1 missfireing???
  84. Does the Diablosport allow lock up changes?
  85. Diablosport hand-held causing intermittent hard shifts
  86. Tuners come in... tune swap question.
  87. What does this mean
  88. Cant get my car smoged
  89. Wierd rpms hovering/idle issue
  90. E-water pump failure notifier?
  91. Exhaust Leak be the problem?
  92. AFR Question
  93. car not running right
  94. anyone have a tune for a trex cam and heads
  95. help with codes 1153 and 1133
  96. "sniffer" out of tail pipe?
  97. How to remove timing with HPT?
  98. Why is my timing at 0?
  99. Roadrunner ECU
  100. Do I really need to do another tune?
  101. New 408 threw codes and wont idle!!!!!!
  102. Catalyst & Evap not ready, need help!
  103. HP Tuner Assistance
  104. Car dies when going into gear
  105. U7198 Shift pressure and shift firmness question
  106. Is it really gonna cost that much? Is there an alternative?
  107. 02 Sensor low voltage error
  108. o2 bounceing around?
  109. disable rev limiter
  110. Engine still runs kinda crappy, no codes though.
  111. Do i need a tune?
  112. OBD11 Test How to pass ?
  113. I have a (.hpt) with a tune that I need checked!!!
  114. Faster Proms Jeremy Formato, Rollins Automotive Review
  115. Need help on pcm
  116. Car won't stay running after turbo install
  117. Throttlebody Idle Adjustment?
  118. crazy timing dips
  119. 98 under hood harness on a 2000 ls1
  120. Locking up the convertor?????
  121. EVAP system
  122. what ingition box do i need
  123. Shift lock Enabled or Disabled?
  124. Help!! people with autometer full sweep electric fuel pressure gauge!!!
  125. DBW stuff interchangeable?
  126. My car threw 4 codes today and I need help...
  127. is a hypertech programmer worth it for ME?
  128. OL or CL with the MAF and LT's
  129. crank angle relearn
  130. 98 to 02 pcm conversion
  131. B4001 Injector Flow Rate - Does this look right?
  132. Does H/C/I affect cold start enrichment??
  133. connector???
  134. which tuner is better????
  135. Misfire code P0300
  136. LT1 with 3-bar MAP?
  137. accel thruster dfi... any good?
  138. Going standalone need help
  139. Question on 02 sensor codes and long tubes
  140. Can MAF tuning cause slow O2 switching
  141. best lt1/4 tuneing / build
  142. 98 tuning
  143. 98 trans am ls1 wire harness & pcm same as 02 camaro ss ls1 wire harness, pcm??
  144. Question about 02 sensors (non F-body)
  145. Typical timing curve and vacuum advance curve?
  146. p0803 code help plzzz
  147. Good deal?
  148. Tuning Question
  149. Need info on using lsx computer to control holley stealth ram setup???CAN IT BE DONE?
  150. Need a good base tune for 4.8
  151. Vats Question
  152. Injector Driver Box
  153. Anyone Gone Fast w/ MSD Ignition Box???
  154. Does any one still use the maft?
  155. Question on locked PCM
  156. plug wires
  157. Who Can Troubleshoot My PCM??
  158. Short in PCM Constant Power Circuit
  159. Accel Gen 8 vs BS3
  160. 4 bar map sensor for BS3
  161. Question on OBD2 port issue
  162. Is there free datalogging software??
  163. Want suggestions for tuning timing (methods)
  164. Can someone Break down Stock Vs FAST/BS3
  165. Adaptive Idle isn't happening. Any ideas?
  166. Changing Converter.
  167. Need to find wire (in car) that controls speedo 94 v6
  168. Time for dyno tune
  169. ltft vs. afr error
  170. Dyno tune and injector swap
  171. Fast XFi 2-step?
  172. Question about Tables, Fuel, and Timing?
  173. No tach output
  174. Tuning for boost referenced fuel pressures...
  175. Need help with tuning software
  176. SD tune Nitrous guys!
  177. loading a tune with roadrunner obd 2
  178. The Tuning School Live seminar class January 17-18th Tampa, FL
  179. Fuel Trims Disabled?!?!
  180. Help, need remote/mailorder (HP tuners) SD tune.. sponsors come in!!
  181. What cranking modifications can be made in EFILive for a 402?
  182. Will I need another tune after getting a new stall?
  183. Unused PCM pins
  184. Vinci / Crane Powermax Settings - 04 Corvette
  185. LC-1 issue
  186. Attn Tuners, Question
  187. 408 Tune for comparison needed
  188. 6 cylinder Turbo
  189. what pmc is this????
  190. HP tuners serial to interface upgrade question
  191. Will this PCM work with my needs?
  192. wont rev past 2.5k rpm's
  193. Problem at WOT at high RPMs
  194. New to the game. Need a good Tuner around Northwest Louisiana
  195. How long have widebands been cheap/affordable?
  196. Need to Build ALDL connector for 1999 or 2000 Harness
  197. G5x1 idle
  198. PCM pin# 57 - BAT. POS. VOLT --What does it do?
  199. Need Wiring diagram for 08 Silverado
  200. What's easier to learn for the tuning illiterate?
  201. where to find a computer?
  202. Haltech?
  203. help getting started with tuning
  204. ls1 harness pics
  205. question bout hp tuners
  206. 2000 Silverado 4.8L wont start blows ECM fuse
  207. Tach output need help ASAP!
  208. headers illinois emissions
  209. Car runs for 2 secs & shuts down
  210. How much timing
  211. Bench Tune 5.3??
  212. Bump stop question
  213. diablo sport??? or super chips??
  214. Trouble with Vengeance tuning thread gone
  215. h/c/i bolt on car with a 9 inch needs advice as well as tuner recomendations
  216. wideband o2 sensor hook up?
  217. Pcm Reflashing
  218. Idle surge
  219. VATS bypass help me!
  220. trifecta?
  221. Difference in LTFTs
  222. Cam sensor timing specs
  223. VATS tuning
  224. Can I run a gauge and HPTuners at the same time?
  225. need help with the MAP sensor problem!!!!!
  226. Long Term Fuel Trim Question
  227. Bucking = too much air?
  228. Simple question..Reseting govoner?
  229. codes
  230. What is a good programmer?
  231. Needing a good tune....
  232. wtf is going on with my computer??!!
  233. vats bypass from ecklers
  234. Change in Elevation and Trouble Idleing
  235. 402 having trouble idling
  236. What's the criteria for the EVAP system and O2 sensors to be "ready"?
  237. Need a Wideband = LC1
  238. weird problem...
  239. LT and ST fuel trims locked???
  240. How to check O2
  241. help with custom WB pid
  242. 2002 camaro pcm pin location schematic
  243. 2005 Silverado SES light
  244. hp tuning
  245. Mass air Flow sensor question
  246. smoke signals?
  247. Tuning for installing cats? Recommendations so I don't ruin the cats?
  248. diablo doesnt read key on position
  249. O2 sensors on individual short stacks
  250. Fast flash 101 needed