View Full Version : PCM Diagnostics & Tuning



  1. HP Tuners VS LS1 Edit...
  2. Is this something the dealer can fix?
  3. Guide to VE tuning using fuel trims
  4. reset trims after injectors??
  5. will i have pcm issues without speedometer with th400
  6. Removing A/C and Radio, some questions.
  7. Get It Tuned???
  8. Cant seem to get REDSUPRA's RAF table to work!!
  9. help throwing a MAP code what to check
  10. o2 problem?
  11. 02s Suddenly Drop From 950+ mV to Less than 100 mV at WOT
  12. running with no maf
  13. Sometimes O2's follow each other, sometimes they are opposite???
  14. Swapping A4 for M6 what to change?
  15. engine light hurt performance?
  16. hptuners SCAN any year?
  17. Newbie tuning the T-Rex, few questions, can someone look at last couple files quick?
  18. IS MAF Freq output proportional to air volume?
  19. couldnt be this easy right?
  20. KR in 3rd gear - due to air resistance?
  21. Anyone ever try Ultrasonic Cleaning slow Oxygen Sensors?
  22. trouble code 0122, 1122
  23. LTFT learn ?
  24. Crank Position Sensor Pinout??
  25. Zero'd out LTFT on fresh H/C install, dead battery, need help w/EFILIVE
  26. phantom cyl 6 missfire
  27. If Tuning the VE table we remove the MAF then couldn't we....?
  28. Fucked up night tuning in SD
  29. Real time control w/HP Tuners/EFI Live??
  30. Car wont start after flash????
  31. Dyno software
  32. how to properly tune Idle on any cammed car??
  33. forced induction tuning question.
  34. 02 question
  35. Tuning and transmission life trade-offs?
  36. IAC tuning drilling
  37. gas pedal stick when up and runs lean
  38. Mail order tune or New dyno tune?
  39. Tuning surging idle-Leave car with tuner so it can be cold??
  40. ok EVERYONE with a timing tuner sound off...
  41. looking for a good LS6 tune
  42. vinci programer
  43. Pagin V6 Tuners -- Knock Retard Decay assistance
  44. P0757
  45. BigStuff3, is it still stuff?
  46. gameover, do you have time for an in-depth on changing Dynamic Airflow Filtering?
  47. Detination and misfire after cam swap
  48. Anyone used the LC-1 yet?
  49. Which PCM to use
  50. Interface for PCM Bench Harness
  51. How do I richen with the IFR table?
  52. Question on Fan Turn on Temp for HPP3
  53. Who tunes with only STFT's?
  54. Tire height calculated vs. installed???
  55. anyone on here have...
  56. tuning without a dyno - possible?
  57. FAST EFI Problems
  58. Ve-ltft ?
  59. lls1 edit help
  60. new o2 sensors, GM or Bosch?
  61. Looking for HPT bin file and have questions
  62. Odd fuel cutout problem???
  63. fuel trims positive at 4400 but runs rich?!
  64. TPS @ 100% when at idle
  65. On a MAF car does the AFR change from dyno to street?
  66. Predator
  67. ltft HELP please
  68. jimmyblue's Trans spreadsheet question
  69. Air flow decay
  70. what do you think about my a/f on this one?
  71. SES Light
  72. LC-1 information
  73. wideband O2 placement in exhaust-dual cutouts?
  74. Need a stock 97 M6 LT1 Edit File
  75. Autotap...
  76. WOT issues
  77. what tuner to choose and why???
  78. Dual Electric Fans
  79. Autotapped the car today, need help interpreting
  80. Let's Talk WOT Vacuum!
  81. what is difference on operating systems
  82. DYNO Run COST in your area???
  83. fuel trims way + and then go - ???
  84. SES light after torque convertor install-help!
  85. M6 Guys, tell me your IAC settings
  86. Can bolt-on mods offset rich A/F ratio?
  87. *P0153 and P1133* HELP!!!!!!!!!!!!!!!!!!!!!
  88. A4 to M6 swap what computer?
  89. Ltft
  90. HP tuners trade-in program?
  91. o2 placement on turbo system
  92. no start?
  93. would a cracked lid, with a tiny hole in it affect A/F?
  94. O2 Sensor Questions
  95. newbie question on hp tuners
  96. HP Tuner ?
  97. P0300 code only at Idle.
  98. C5: Idle stubles or hangs
  99. Need to reset ltrims, where are the bat and ign fuses at?
  100. Put car in gear and it dies
  101. How do you combat a bucking issue around 1500rpm after a cam install?
  102. A4 Transmission question
  103. What would cause my fuel trims to get super rich after I let off the gas?
  104. What should IAC #s be for cammed car at idle ?
  105. SES Light Flashing!?!
  106. help p0420 code
  107. LS1 Edit Communication Error Ideas?
  108. PE table noob question
  109. HELP No idea where to start.
  110. Preditor what sponser has pre loaded program?
  111. Autotap reading help...
  112. what other data programs are there?
  113. help with p0442 code
  114. Explain the Vats system to me
  115. OBD2 software - multiple license problem
  116. question about switching from predator to hp tuners
  117. Truck won't start early in the morning?!?!?
  118. How on earth do you tune these damn Mototron 60lbs? Help me before I go insane! :)
  119. Cam/tuning ?
  120. Its been a while since i did closed loop tuning
  121. The IFR table is such a dirty way to tune trims
  122. Safe RPM limit for stock rockers?
  123. Need some help please! (lm-1 rpm converter)
  124. how well can you tune...
  125. PCM reflash
  126. EFILive VI logging
  127. Will a 02 pcm work with a 99 harness?
  128. will a 01 computer work in a 00
  129. 12v ignition sorce
  130. Optimum A/F
  131. Bucking/surging & cruise affect questions...
  132. Editing MAP Values, other affects
  133. How do I tap into the fuse box
  134. Recommendations using LS1Edit
  135. Increasing VE = Increasing LTFT's??
  136. check engine code???
  137. Tach Wire
  138. Weird rpm rising
  139. HPTuners - Cannot determine correct bootloader!!
  140. P0131 is driving me CRAZY! Gremlins inside.
  141. Scanmaster pinout?
  142. WOT fuel trim questions
  143. ABSINOP and ASR lights on after dyno
  144. "Field Harnesses" and PCM pinouts
  145. ls1edit in shops
  146. air temperature module upgrade necesary?
  147. Who has the best mail order tune?
  148. Worth tuning?
  149. PO336 Crankshaft Position Sensor code...
  150. just finished H/C install on my procharged 98
  151. engine dies on right hand turns
  152. what is all done on a Dyno Tune??
  153. More Performance, Inc
  154. How to delete skip shift with HPtuners?
  155. maf lb/min
  156. reasons to not go into pe
  157. What all is needed to hook LM-1 to HPTuners?
  158. Finally ordered HPTuners
  159. timing drops to -64 degrees
  160. ses misfire after 30lb. injector swap???? help
  161. check engine light, high flow cats??
  162. Is something wrong?
  163. 04 4.8 silverado tunning ??'s knock retard and ve
  164. is there anyway?
  165. is there anyway
  166. which tuner to use
  167. Dual versus Single WB Tuning/Monitoring
  168. Drilling TB vs reseting TPS ?
  169. Ordering HP Tuners today, have a question...
  170. Mail Order Tune Vs Dyno..
  171. Car died at a stop from tuning???
  172. Dont know what tuner to buy. Help?
  173. My first histogram after "magic stick"!!
  174. Anyone ever screwed with a Holley Pro-Jection 4di?
  175. car won't attempt to start! no click or anything
  176. Car won't start on first try???
  177. RWTD timeframe
  178. Any body tried Harlan 2 step with FAST
  179. Code 57 pulled from the BCM
  180. anybody hook there aussie (Techedge) DIY wideband to hp tuners?
  181. SES Light/Header install
  182. rev limiter hp tuners
  183. fan settings hptuners stock thermo
  184. Oil Pressure be read while cranking
  185. Boost referenced regulator PCM tuning questions....
  186. Turing off airbag codes with HP tuners.
  187. My MAFless tune/log results
  188. Tsp Tune ?
  189. transgo shift kits come on in...
  190. Phantom SES light
  191. Car cranks but kills????
  192. No more LSEdit on new GM cars?
  193. Tuning shift points for MPG / in-town driving?
  194. So whats the excepted way of MAF calibration for today?
  195. Lq4 Pcm
  196. unbalanced ltrims
  197. Throttle Control Module...
  198. ls1 edit tune for a bolt on car
  199. HPtuners compare question...
  200. ses light
  201. fuel injector upgrade..../hptuners/????'s
  202. One more time - 98 to 99+ PCM
  203. Someone experienced review these logs please
  204. P0342 and P0343 codes.....know what they are, need advice on the cause
  205. IAC position vs airflow discussion
  206. C5 Timing Drop Out
  207. MAF Tuning
  208. EFI Live Spark Table question
  209. is my engine in limp home mode?
  210. hp tuners questions
  211. DFCO may be the devil...
  212. need help fast!
  213. Some predator questions
  214. 4.8 harness with f body computer??
  215. Experienced HP Tuners help...
  216. Cags..2-3 shift...use as Drag cags??
  217. use Fuel cutoff as valet mode???or speed limiter??
  218. What fuses pulled for idle relearn procedure?
  219. Car doesn't start sometimes?
  220. Increase Idle ?
  221. 2000 LS1 stock tune - timing drops off at peak power!?
  222. Need help with understanding why I can't get VE to stablize for the IDLE area
  223. ls1 edit
  224. What are these codes PO175 & PO172?
  225. wierd fuel pump problem
  226. Stoich Setting??
  227. Where to buy?
  228. injector scaling hptuners
  229. Screenshots of HP Tuners LS2 Product.
  230. Vinci programmer=AWESOME product!
  231. How high should I raise the misfire values?
  232. HPP3 on a stock SS??
  233. please help! race car runs like poo.
  234. anybody have a bunch of screenshots for hptuners more than their site
  235. wideband 02 questions with hptuners
  236. code 83
  237. low egr flow code 0405
  238. Changing rear gear with LS1 Edit HELP!!!
  239. how to tell if running lean??
  240. for all you egg heads.
  241. hptuners 2.0/ls2 screenshot thread
  242. O2 cable extensions - F-Body - codes
  243. Old LS1Edit tune - threw a code!
  244. How can I force the PCM to stay in closed loop mode all the time ?
  245. Bosch 13111 - where to buy?
  246. Dyno tune or strictly tune?
  247. PCM reset and idle took a while to relearn
  248. Need a tune for that stall + cam?
  249. KR on stock timing on 04 GTO...
  250. Primary or secondary??