View Full Version : PCM Diagnostics & Tuning



  1. Car runs great sometimes....sometimes it stutters
  2. will this work?
  3. 99 and 02 MAF's are different? According to GM they are.
  4. How EXACTLY are LTFT's calculated?
  5. Formula for gms/cyl different for different cubic inches?
  6. Pros or Experts Needed, Tuning on a draw through MAF S/C?
  7. 12-17% to much fuel.
  8. 2002 Z06 injectors
  9. Stock tach quit working
  10. Screwdriver tuning the SLP85mm MAF
  11. Problems w/ car????
  12. Knock Learn??
  13. Enable Torque Management
  14. just installed my EFI Livev5
  15. torque management
  16. Is the new Accell DFI right for my car?
  17. RPMs float ~2k when clutch goes in. LS1 Edit Solution?
  18. codes?
  19. Atap Log for my '03 Z...Take a look
  20. Dying at stops after intercooler project
  21. How to turn these codes off?
  22. Ideas on my laptop tray
  23. TPS Voltage
  24. Injector offset w/svo's whos done it, interesting results?
  25. 5000-5500 RPM stumble - KR
  26. Anyone using Predator and LS-1 edit?
  27. A4 RPM Shift Points / Diablo Programmer
  28. Y not disable rear O2's with LS1edit?
  29. Does TC lockup in 3rd gear at WOT?
  30. EFIlive/Autotap not working
  31. ? ABOUT KNOCK RETARD
  32. P327 code
  33. EFI Live v5 maf conversion function question
  34. No misfires and have a flashing ses light...
  35. Tip > Removed your AIR system? > Remove the fuse too
  36. Bosch O2's ???
  37. MAF Question
  38. Ls6 tuning
  39. rubber gaskets on pcm
  40. Can ATAP do Tranny Diagnostic?
  41. Does less than a 1/2 tank =low octane advance by pcm
  42. ls1edit and "drive be wire" question
  43. PCM
  44. Quick dyno/afr question
  45. best spark plug wires?
  46. Reprogramming after heads and cam
  47. Help with tuning
  48. HPP3 help.
  49. Lap top computer stand for our cars?
  50. Do I need tuning?
  51. C5 and cam, what is idle relearn for M6...
  52. Hydro carbon limit is 60PPM - WTF?
  53. Really lean in open loop paging ...NoGo or someone
  54. Pulling a Knock Sensor Code
  55. Hanging idle ? any cure for it?
  56. LS1edit? Tuning? Advice please...
  57. Closest dyno/LS1 edit tunning from Jacksonville FL?
  58. P101 CODE
  59. running really lean at idle and at end of 1/4.. someone help
  60. PCM speeding up car by itself??????
  61. Tech II question
  62. Autotap Log Help (NoGo)
  63. EFI Live STD vs. PRO?
  64. whats the best tuner for a 98 ls1 with basic free mods?
  65. Is a reprogramming via LS1Edit considered...
  66. predator and maft help at wot
  67. Bullets replacing cats, O2 sim question
  68. Ses light engine knock sensor
  69. LS1 Edit in Florida?
  70. P0172 & P0175 anyone here cure these?
  71. ??????ls1 edit or not?????
  72. Granettlei VS Slp MAF
  73. P0102 Mass or Volume Air Flow Circuit Low Input?
  74. Granatelli(sp?) MAF Shorted out(maybe??)
  75. Please help with L Trims
  76. Is it worth upgrading to EFILive?
  77. Help me Tune with Predator
  78. PCM
  79. MAFT worth 80 bucks?
  80. Can I drive the car with out front O2's temporarily
  81. Need tuning going from 26# to 29# injectors??
  82. What to get first
  83. VERY INTERESTING thread on dyno tuning vs real world
  84. DIABLO TUNER 98?
  85. SLP MAF SENSOR
  86. Shift firmness questions any one help..
  87. NoGo help with tuning of maf sensor..
  88. Clearing the previous fault code in PCM after the repair?
  89. if I am throwing codes for being too rich?
  90. Anyone know a website for C5 pcm wiring?
  91. Anyone downloaded a custom tune to your Predator?
  92. JET PERFORMANCE CHIPS
  93. LAUNCHING HELP BY TIMING REDUCTION
  94. Anyone tried the stage 2 chip?
  95. Well it matter if u take of your themostat?
  96. Will the car still run right without rear O2's?
  97. Turning on Fans with LS1 Edit
  98. uneven ltrims
  99. Throwing Codes.....
  100. Autotap and Pulsewidth.
  101. H/C car - failed inspection!
  102. SES Light > No Autotap > Can Autozone check the code ?
  103. MAFT tuning and O2 code questions
  104. Fried my Cats!
  105. PCM Flash
  106. Timing help needed, NoGO and Chris B please give insight.
  107. Best location for wideband o2 sensor?
  108. My idle is messed up...help!
  109. NEED HELP ADJUSTING SHIFT POINTS WITH LS1 EDIT
  110. lt1 edit compatable with ed wright program?
  111. More Performance
  112. C0035,C0056,C0550
  113. motor felt like it didnt want to rev over 5500 in 4th?! help
  114. need yalls opinions....
  115. Diablo or Hypertech??
  116. o2 bank 1 and bank 2 #1 pcm wire ?????
  117. O2's Tell me the difference
  118. Need to go back to stock tune after LS1 Edit
  119. diablo wot for stock engine?
  120. OK, misfires. *DELETED*
  121. 02s
  122. best stand alone computer setup for an ls1?
  123. LS1 Edit .... where can I purchase
  124. Car stumbling, What could be causing it?
  125. SES light came on......4 tripped codes...HELP!!
  126. Home Made O2 Sims?
  127. Th400 swap and timing wont see what it is supposed to. HELP!
  128. ls1 edit ? about o2's
  129. turn key engine- crock o' $H*t
  130. Car stays at 2000RPM out of gear
  131. Injector Offset for Lucas 42's
  132. LINK ecu
  133. Predator scanning question
  134. 42lb.Bosch/SVO Injectors
  135. Guys with the Predator Programmer
  136. dyno tuning
  137. Did PCM reset.What to expect?
  138. Edit and A Tapp/EFI Live
  139. TPS relearn
  140. does predator log any data or is it only "real time"
  141. how to convert MAF gms/sec to lbs/min?
  142. Innovative wideband users...
  143. So the GEN 7 DFI can be run as a standalone?
  144. Reduced Engine Power
  145. Help me analyze my O2 readings and Fuel Trims
  146. diablo tuning
  147. How does the pcm determine barometric pressure?
  148. PCM Bad?? How to find out??
  149. question for those of you with a wideband
  150. NEWBIE ?
  151. Why does the belt keep jumping off
  152. Diagnose SES Problem
  153. want to buy edit
  154. MSD Programmable Digital 7
  155. Special Pricing on GEN7DFI
  156. Formula for shift points
  157. Beginner's guide to tuning
  158. Is this worth it? Or Just a HOAX?
  159. Extremely weird LT's
  160. Help me diagnose this KR issue
  161. Full custom tune??? (Dyno)
  162. Paging RWTD or Diablosport- cant set rev limit past stock
  163. Here are the 85mm MAF tables
  164. Putting a big cam in.. Where to start off stock tune?
  165. Can big cams set MAP sesor codes?
  166. Which Bank is #1?
  167. instrument cluster died on a hard launch
  168. LTRM defnitions
  169. P1635 P1639 are killing me!!!!!!!!!!!!!
  170. MAFT gets "learned out"
  171. Line pressure
  172. Car's Idle/SES light
  173. Cold start problems
  174. Strange A4 shifting after mods
  175. What is the reset IAC park position?
  176. How to get the computer back to stock?
  177. tech 2
  178. Can you adj. A/F ratio with Stoich Ratio changes?
  179. Which white wire is for tach on WS6?
  180. Please explain closed loop and open loop to me
  181. New MAF
  182. Weird MAP problem.. P0106
  183. Can't get my Predator to raise fuel shut off-- help!
  184. Trying to tune by VE, but crazy MAF readings make it hard!
  185. Maybe retarded, but why are the gms/cyl so low,high HP car?
  186. Volumetric efficiency/ power production
  187. please help diagnose this problem post head install
  188. Codes 0101 & 0500
  189. edit questions
  190. Code P1416
  191. C5 + Cam,how to stop idle surge
  192. TB wiring
  193. What PID for Misfires and Burst knock - EFILive?????
  194. Can't compare downloaded file with LS1 Edit.
  195. Setting rev limit on Predator for 6 speed
  196. Does the Autotap V2 cable draw power when the car is off?
  197. Problems on the dyno - can you help
  198. Serious Cam Sensor Related Issue
  199. How many misfires at idle?
  200. jet performance chips
  201. So is VE table used in normal driving or not??
  202. Who has LS-1edit and EFILive...need some answers
  203. No tuning cause KR?
  204. What table on LS1Edit to delete TQ management??
  205. HPP3 for a 2001 Z28 on a 99 SS???
  206. a-tap is pissing me off!!!!!!!
  207. 2001 HPP3 for a 99???
  208. GEN VII...can you make stock gauges work?
  209. Strange Electrical Problems?!?!
  210. tranny shifts early, even after ls1 edit!!
  211. Trying to diagnose a problem with AutoTap
  212. Anyone have any TRUCK shift settings for Predator 3.73LS
  213. why is there no Predator for 1997 - 1998 LS1 cars ??
  214. Richen A/F tough <4k, easy >4k
  215. PCM install
  216. Car likes to die and I have the CCE, any ideas?
  217. Detailed diagnostic info for the LS1
  218. How can U tell if Coil Pack is crap?
  219. More Performance Inc
  220. can a bad o2 sensor cause lterm's to max
  221. part throttle tuning (LTFT's)
  222. help plz with dtc 0155 & 0300 and EFI live
  223. i was about to buy autotap, UNTIL...
  224. MAxed out LTrims how to correct?
  225. What injector flow rate and injector offset to use?
  226. Why does PCM drive car to certain A/F Ratio?
  227. Will using predator delete LS1 edit tuning?
  228. what could be causing multiple misfire's?
  229. Extremely slow 99 SS. What could auto tap show?
  230. DATALOG after HallTech Airbox
  231. Broken o2 sensor?
  232. 02's acting funny, Maf was?
  233. would anyone know how to fix a irratic idle untill warm
  234. Are people getting good results with Predator Tuning?
  235. bad o2 ?'s
  236. What is an acceptable range for misfires
  237. Help! How to solve this code P0416?
  238. hpp3 to ls1edit
  239. anybody got a good fuel & spark maps?
  240. I could use a little help with what I think is surging.
  241. Pids and EFILive Pro
  242. MAF Bad?
  243. ANOTHER TUNER PROGRAM COMING OUT!!!!
  244. programmer???
  245. o2 sensors
  246. EFIV5 Pro ?'s
  247. Aftermarket tach hookup?
  248. First question with LS1edit
  249. Where to download autotap?
  250. what program do I need???