View Full Version : PCM Diagnostics & Tuning



  1. keeping my cam sounding grumpy after tune
  2. EFILive users take a look.
  3. Tune needed with new gears and TC?
  4. Problem with security light on 04 GTO
  5. Help! - HPTuner won't connect to cable
  6. swapping different year pcm's..
  7. Cam sensor
  8. 98 LS1 Programmers
  9. L Trims and S trims?
  10. OBD/Readiness Driving Procedure
  11. Heads and Cam Tunning
  12. Need Help Now, Tuning Racetronix Injectors
  13. Is it ok...
  14. EVAP messing with WOT cells
  15. HPTuner FT min. learn % question???
  16. Need LS1Edit help for heads and cam install
  17. Tune after Heads only swap????
  18. where to get 2-step
  19. HP Tuner Address
  20. HP Tuner how long to receive
  21. how to on connecting wideband to hptuners?
  22. 85mm MAF - which one?
  23. idle hangs at 1500 until I come to a complete stop
  24. Got my Diablosport :)
  25. ECU and emissions codes
  26. anyone know what's up with the Diablosport forums ?
  27. can the ls1 pcm be used on any motor?
  28. EFIlive or LS1 edit?
  29. Hypertech PP3 TUNING ?????
  30. Advise: Just had car tunned, Look at my #'s tell me what you think.
  31. PCM Back to Stock. Confused?
  32. Here is a MAF table for fully ported MAF with a lid
  33. tune below 2500???
  34. Hypertech
  35. tunning ???
  36. Zo6 MAF ?? tables???
  37. Can 2 different handhelds work together?
  38. Need some info, please
  39. 00' Trans Am Code problems
  40. how to disable DFCo
  41. Predator 101 (sticky?)
  42. Is this possible?
  43. timing
  44. Hello t00ners! New to LS1, have basic PCM operations question..
  45. Newbie Tuning question
  46. Do I need a tune yet? Please HELP the new guy!
  47. please help
  48. Any Edit users have this problem???
  49. CASE relearn / HPTuners - need help !
  50. running like crap in closed loop
  51. LS1 timing tuner. is it worth it?
  52. Racetronix Do or Don't?
  53. big problem not a clue
  54. throwing codes p0507 and p0108
  55. HPTunners Help? 98 F-Car
  56. who programs gauge clusters?
  57. 02 sensors code 135 and 2 155's? need help ASAP
  58. Things to do before a dyno tune????
  59. Compared PE multiplier Stock vs. Hypertech - question !
  60. Tune to recover lost HP, please help !
  61. Tuning ?...... HELP.....
  62. changed in jectors what has to be tuned?
  63. need help here guys
  64. Cars been tuned--now new gears--what to do?
  65. Idle problem after head and cam swap
  66. HP tuners question
  67. Throttle Body question
  68. Knock Sensors (Pics)
  69. EFIlive vs. HPTuners, has anybody used both?
  70. is LTB2 sapose to be greater than LTB1?
  71. Need an HPTuners-capable 4-door Commuter Car...
  72. help! IDLE=550 when STFT's go negative
  73. very confused! I need some help!
  74. Questions about Open Loop Fuel Table (Pic)
  75. hp tuners question
  76. Crane's programer for ls1
  77. tac is off i think...*maybe wrong forum*
  78. tuneing question HELP please!!!
  79. hp tuners question
  80. efilive flashscan price
  81. pcm reflash by dealer
  82. Nelson tune for Z06?
  83. trouble getting rpms to recover, fuel trim problem???
  84. How much Hp can I get from a tune?
  85. Turn Signal?
  86. How acurate is Gtech?
  87. the only change was a converter!
  88. Errors in HP Tuners??? Can someone explain why...
  89. idle isnt rich anymore, YES!
  90. question about timing in SD mode
  91. false knock
  92. 98 Locked Hypertech
  93. 2nd gear start for A4 1998 LS1
  94. could rail pressure be reason for rich at idle?
  95. is it really worth keeping the MAF? read inside
  96. timing problem after TH400 install
  97. how does the IFR table work?
  98. help, car stumbles at idle, injector ? too
  99. can I change out my 98 computer??
  100. Question about PLX wideband - help
  101. converter tuning?? HELP
  102. P0121
  103. How do you delete Knock sensors?
  104. New to tuning
  105. po171 / po174
  106. Dfi Gen 7 Questions?
  107. Running Rich at Idle Question??
  108. How to make converter lock up firm instead of PWM?
  109. Injector Scaling 28lb. to 60lb
  110. Tuning STS Turbo Car
  111. 75 mp every 1/2 tank and strong smell of fuel..WTF!!??
  112. 98 computer question
  113. Insane O2 Voltages?
  114. Positive L-trims going to kill people help
  115. MAF calibration>after descreen and port
  116. Need help with Accel DFI
  117. Questions about EFILive V7/Flash/Scan..
  118. IS the VATS tied to the Compuer?
  119. needs help
  120. Code P0327 Help!!
  121. logging MAF freq in SD?
  122. Cold Cranking Issue/Tuning?
  123. need your help guys
  124. Need Some Ideas - Idle Went Nuts On Me
  125. Why is my PCM setting the wrong Fuel Trim Cells?
  126. Throttle hold on decelerate?
  127. Futral tunes?
  128. guys need your help here!!!
  129. Does HP Tuner have Increment?
  130. What happens when you go into boost?
  131. How much power would you guess I left on the table?
  132. new to tuning, help w/ LTFT's
  133. need help on code:po121
  134. Give me suggestions
  135. hp tuner gp
  136. tuning choices
  137. Sweeping guages at each start up
  138. Converter unlocking question
  139. Intrested in AEM EMS anyone??
  140. Time Again, Dyno Talk:
  141. Quick LTFT ?
  142. fuel problem while crusing
  143. TPI Tuning
  144. Dyno Jet Wide Band Sensor Install before or after cat, Y pipe ect.
  145. PE Tuning?
  146. Can a friend with a GM Preditor load a tune I make for him using HP Tuners?
  147. evap test NEVER completes
  148. Need help with SES
  149. Another Open/closed loop question
  150. Anyone use "Pro Scan"
  151. What scan tool/tuner to buy
  152. Reading knock sensors without a stock computer?
  153. Aftermarket ECU
  154. Sputtering under light load again!!!
  155. Pics of the F.A.S.T XFI ECU
  156. Question about idle
  157. Help!! WOT Sputter
  158. learning curve
  159. P0748 How to get rid of it
  160. Delete THIS
  161. need some codes help
  162. Changing to 28#s
  163. Open Loop Required?
  164. o2 narrow mV Vs. Actual AFR wide
  165. high idle
  166. Idle Air Park Position
  167. No rear o2 sims?
  168. Is a Diablo Predator worth $350
  169. Speed Density Tune
  170. LS1 Edit---------Unknown PCM
  171. Throwing P0135 and P0300 codes
  172. engine code need help
  173. I Need Tuning Please Help
  174. Having a "stutter" at 4500rpms mis fire? Have ATAP sheet..
  175. Is HP Tuners for me? Please Advise
  176. HPT...is there anywhere to get an un-bias...
  177. Do I [I]need[/I] to wait for HPT 2.0?
  178. Question about F-Body PCM hardware
  179. sensor help?
  180. New MAF Table Spreadsheet and RAF Table
  181. Need 04 GTO stock Bin...Anyone????
  182. What should the LTRIMS be at idle for a properly tune cam car?
  183. Gorillachipz?
  184. knock sensor question
  185. HP Tuner Question
  186. B2961?
  187. anyone ever heard of this?
  188. NYS inspection - finally passed emmisions!!!!!!!
  189. Pcm Problem
  190. Is not buying the EIO cable a mistake?
  191. Predator Wiring
  192. Set boost w/ls1 edit or adj. boost with HP tuner 2-bar/E-boost?
  193. Running Airflow Spreadsheet (LTIT/STIT)
  194. Accel Gen VII keeping me from joy....
  195. Fuel Trims and Fixed Orifice PCV
  196. diablo help
  197. Power loss at 5300 on dyno
  198. Setting Up MAFT #'s
  199. Iam getting a heater code of 1133 Why?
  200. I need to test somebodies knowledge
  201. need help on code po121
  202. Here are some EFi logs i want you guys to glance at!
  203. Confused - diff between EFILive 6 & Flashscan
  204. Got a M6 224 112 bin?
  205. Lockup converter programing
  206. LTIT & STIT
  207. Nothing like messing it all up with a Mod
  208. p1133 ? and p1153 ? What?
  209. When I make changes to the idle parameters does the PCM need a learn time?
  210. Predator internet tune files?
  211. passenger side bank = no fire! help me out please...
  212. P1637 code messages-help :(
  213. OBDII maxes out at 7000 rpm?
  214. Help with HPP3
  215. Thanks to .....................
  216. Any way to see if Im close W/O Wideband?
  217. Diablo tunes
  218. Got rid of my Granatelli MAF but car is still running lean
  219. ProScan OBD-II / Dyno / Quarter Mile Analysis Tool - $99 GP!!!
  220. Should I bite the bullett and buy HP Tuners?
  221. coolant temp gauge jumps..?
  222. WideBand Sensor Placement
  223. Q about AEM wideband wiring....
  224. The new F.A.S.T XFI
  225. longer time users of HPT
  226. which two fuses do i pull to reset my pcm (lost cover)
  227. Help! Am I running out of fuel?
  228. Wide Band in Stock Sensor Hole
  229. Dyno and Tune in SE Michigan
  230. Melted loom causing P0131?
  231. SES Light After Cam Install
  232. disabling pass. airbag?????
  233. Am i going in the right direction? VE related
  234. Some VE Table Values at 0. Idle at 2,700 rpm. Help!
  235. new to tuning need some help
  236. How high should I set my rev-limiter
  237. Idle timing ?
  238. vats
  239. 0.01 g/cyl @ 15.05 stock map (muuuccch higher in reality) WTF??
  240. NEEDED: LT1 MAF Table in Excel format
  241. problems with emission test ?
  242. need 04 z06 ve table
  243. DTC 1515 - Electronic Throttle position sensor
  244. Idle (STIT/LTIT)???
  245. how to delete the rear O2 sensors using LS1edit?
  246. Dynamic cylinder air.. got a question
  247. Is this a good sign?
  248. HPtuners Wrong software??
  249. HP tuners + wideband help
  250. Should we create a Wiring (working title) Forum?