View Full Version : PCM Diagnostics & Tuning



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