View Full Version : PCM Diagnostics & Tuning



  1. Fast XFi 2-step?
  2. Question about Tables, Fuel, and Timing?
  3. No tach output
  4. Tuning for boost referenced fuel pressures...
  5. Need help with tuning software
  6. SD tune Nitrous guys!
  7. loading a tune with roadrunner obd 2
  8. The Tuning School Live seminar class January 17-18th Tampa, FL
  9. Fuel Trims Disabled?!?!
  10. Help, need remote/mailorder (HP tuners) SD tune.. sponsors come in!!
  11. What cranking modifications can be made in EFILive for a 402?
  12. Will I need another tune after getting a new stall?
  13. Unused PCM pins
  14. Vinci / Crane Powermax Settings - 04 Corvette
  15. LC-1 issue
  16. Attn Tuners, Question
  17. 408 Tune for comparison needed
  18. 6 cylinder Turbo
  19. what pmc is this????
  20. HP tuners serial to interface upgrade question
  21. Will this PCM work with my needs?
  22. wont rev past 2.5k rpm's
  23. Problem at WOT at high RPMs
  24. New to the game. Need a good Tuner around Northwest Louisiana
  25. How long have widebands been cheap/affordable?
  26. Need to Build ALDL connector for 1999 or 2000 Harness
  27. G5x1 idle
  28. PCM pin# 57 - BAT. POS. VOLT --What does it do?
  29. Need Wiring diagram for 08 Silverado
  30. What's easier to learn for the tuning illiterate?
  31. where to find a computer?
  32. Haltech?
  33. help getting started with tuning
  34. ls1 harness pics
  35. question bout hp tuners
  36. 2000 Silverado 4.8L wont start blows ECM fuse
  37. Tach output need help ASAP!
  38. headers illinois emissions
  39. Car runs for 2 secs & shuts down
  40. How much timing
  41. Bench Tune 5.3??
  42. Bump stop question
  43. diablo sport??? or super chips??
  44. Trouble with Vengeance tuning thread gone
  45. h/c/i bolt on car with a 9 inch needs advice as well as tuner recomendations
  46. wideband o2 sensor hook up?
  47. Pcm Reflashing
  48. Idle surge
  49. VATS bypass help me!
  50. trifecta?
  51. Difference in LTFTs
  52. Cam sensor timing specs
  53. VATS tuning
  54. Can I run a gauge and HPTuners at the same time?
  55. need help with the MAP sensor problem!!!!!
  56. Long Term Fuel Trim Question
  57. Bucking = too much air?
  58. Simple question..Reseting govoner?
  59. codes
  60. What is a good programmer?
  61. Needing a good tune....
  62. wtf is going on with my computer??!!
  63. vats bypass from ecklers
  64. Change in Elevation and Trouble Idleing
  65. 402 having trouble idling
  66. What's the criteria for the EVAP system and O2 sensors to be "ready"?
  67. Need a Wideband = LC1
  68. weird problem...
  69. LT and ST fuel trims locked???
  70. How to check O2
  71. help with custom WB pid
  72. 2002 camaro pcm pin location schematic
  73. 2005 Silverado SES light
  74. hp tuning
  75. Mass air Flow sensor question
  76. smoke signals?
  77. Tuning for installing cats? Recommendations so I don't ruin the cats?
  78. diablo doesnt read key on position
  79. O2 sensors on individual short stacks
  80. Fast flash 101 needed
  81. Perfomance Chip?
  82. loud pop at idle...?
  83. How to desensitize knock sensors? HPT
  84. Speed Density tuning in South Florida
  85. sds efi?
  86. Question about mail order tune.
  87. E-bay Vats Bypass
  88. Ported Fast 92mm installed
  89. A4 computer to M6 comp.
  90. another hp tuners question
  91. No Start, security and red light flashing
  92. do i need to go sd or keep the maf?
  93. Need a tune after stall?
  94. PCM Tuning
  95. Need Help With Turbo Tune (Tune and Log Inside)
  96. Tc after wire mod
  97. Tuning Guestions???
  98. what is SPEED DENSITY good for...?
  99. Getting started with HPTuners, take a look
  100. Burst knock Retard?
  101. Tune out !AIR and rear o2s question
  102. Backfire
  103. Tuning a Supercharger with a Vinci/Crane Tuner???
  104. problem with RS232 to USB with tuner cats
  105. Bad TPS?
  106. Tune and how much HP/TQ bump?
  107. BS3 for dummies
  108. carb with stock computer
  109. which o2?
  110. big turbos
  111. MS4 cam Tune
  112. ???electrical probs--plz help???
  113. O2 sensors not connected, no SES or O2 codes
  114. Hypertech Keep or sell?
  115. Looking for a base tune to load for turbo build
  116. Codes are thrown
  117. can dealership tune my pcm to my 3.42 gear
  118. need help with cats
  119. Will this void my Cat replacement?
  120. how do you delete p0420 code with diablosport?
  121. Car stays in open loop, runs like crap if forced into closed loop
  122. flashing ses light
  123. 12 bolt= codes?
  124. Idle rpm for California smog test
  125. roadrunner question for owners
  126. Car bucking and running rich under part throttle?
  127. service engine soon light flashing...
  128. O2 Sensor extension
  129. help on 02 sensor readings..
  130. In the market for a new wideband controller - Professionals
  131. pick a wide band???
  132. please help with new engine start up
  133. is it true that it takes more than 45 min. on a dyno to get a good tune?
  134. Low coolant light??????????
  135. Treat yourself for the Holidays Porting and Tuning Special
  136. 4x4 EFI scan tool.
  137. msd dash hawk
  138. Newbie Tuning for Emissions
  139. 99 computer and a 2000' harness?
  140. LS1 Edit Compatability Issues
  141. how to tune for following mods with diablosport?
  142. Help with megasquirt
  143. GM MEFI-4 Conrtoller Tuning
  144. Factory Alarm Question
  145. Backstreet Performance Medina Ohio
  146. Hptuners expertise needed.. Datalogs inside.
  147. AIR delete or not? That is the question.
  148. what should i use to tune????
  149. looking for scanner/code reader w/....
  150. Code P0401
  151. Non LS1 question........ 95 mustang GT tuning
  152. Logging wideband
  153. PCM seems powerless
  154. P0101 Code
  155. Cobalt ss cold start
  156. hp tuners
  157. WideBand after High Flow Cats?
  158. Map not reading
  159. Getting a dynotune this weekend. What should I expect?
  160. po410 code
  161. LC-1 install question
  162. 93 tuning...
  163. My LS2 is not healthy
  164. timing advance in neutral??
  165. ECU problems
  166. can i use a 2000 ecm in a 98
  167. Mail order tunes?????
  168. hypertech 3 question
  169. egr low voltage code
  170. po300 nightmares scanned with hp tuners
  171. Does Gearing affect A/FRs?
  172. does vss have anything to do with idle?
  173. High octane table
  174. car in shop may need computer?
  175. OL vs. CL with LT's
  176. In Need of megasquirt tune
  177. Flashing A4 to M6
  178. tuning question
  179. help please
  180. LS1M question
  181. Help!!!!!P0322
  182. AFR Vs. Ethanol %
  183. Www.thetuningschool.com
  184. IAC wiring
  185. Can I remove my rear o2 sensors?
  186. Cold Start Problem
  187. Has anyone found a way to make the digtal 7 boxes work?
  188. Diablosport predator help please!!!
  189. HP tuners used does not work?
  190. price on used hp tuner or efi live
  191. 03-05 lq4
  192. LS1 swap bogging anything other than light throttle
  193. High idle only with AC compressor comanded on / 05 Vette with APS TT
  194. 02 Sensor Codes
  195. 14point7 help
  196. System Too LEAN!! Need some advice
  197. bigstuff 3 problem
  198. possible bad MAP sensor wih no code?
  199. flashing SES, but no codes to show misfire,very RICH
  200. Best tuner in chicago area
  201. Quick HPT question
  202. aem ems anyone using
  203. New cam and ported FAST manifold which way on tune?
  204. 04- CTS-V P0300/PO500 codes..help?
  205. car wont crank
  206. Tuning MAF tables
  207. Tuning Help- High O2 readings
  208. Where did you learn
  209. 1990 corvette ecu problems
  210. Anyone Run Stock Eliminator or Bracket Race?
  211. DiabloSport 04 GTO Project Car
  212. replaced everything, rich, still throw heater circuit and misfire codes
  213. Please review log - Tranny slipping?
  214. Injector offset
  215. 2000 engine harness in 1998 car?
  216. Is it worth it to have a baseline dyno run?
  217. what are ltft & stft 3 & 4?? #'s very high
  218. Help learning to tune - Stock 98 TA with Incon TT kit @ 7-8psi
  219. Help! Odd goings-on in the upper rev range - no codes, nothing funny in the log...
  220. hptuner adding timing under boost
  221. E85 wibeband tuning ?
  222. I need help!! Tuning issues... Spark??
  223. got question about ignition module connector.
  224. Tuners
  225. WB o2 vs. NB o2 AFR....WTF!!
  226. Help, car wont start. Vats/security related
  227. Re-tune after major exhuast change ?
  228. Things That Make You Say....WTF BATMAN!!!!
  229. Mafless Tune!...
  230. dtc 1133 freeze frame help!!
  231. noob: flash tuning
  232. A4 tune
  233. Brake related warning lights; help?
  234. GM Techs need some help
  235. Voltage on MAP ground circuit
  236. Self Tuning Easy EFI from fast
  237. Too technical for me. Please help.
  238. Changing Auto to Manual
  239. LT1 tunercat files needed
  240. Freakin COdes
  241. A real power pid?
  242. Going to a 3 bar MAP
  243. My First Engine Tune (i'm excited)
  244. FAST flash programmer
  245. Looking for 2 bar SD HP tuners tune
  246. how to run nexus wideband into hptuner interface
  247. auto calibrations for manual?
  248. What do i need to know before I tune a 98??
  249. Setting up Sock ECU/harness as "Standalone"
  250. Cannot Pass Security Codes