View Full Version : PCM Diagnostics & Tuning



  1. LT1 guys, how much timing on juice?
  2. HP Tuners, Why can't we get a release date for 2.0?
  3. PO307 andPO300 Codes, Misfire Help
  4. Undrive Pulley Fried My Laptop
  5. LS1 edit to HPtuners
  6. Cam install, tuning question (HPTuners)
  7. disconnecting the battery
  8. WOT A4 Shifting Issue
  9. car runs great but spudders after 4,000 at wot.
  10. Engine Math question
  11. How long does it take for your AFR/Trims
  12. Added .015, then .025 in PE vs. RPM table and 02's went DOWN from 905ish to 885ish??
  13. if IFR table is off will it effect WOT fueling
  14. 10.5 afr what to do?
  15. help with KR
  16. just logged in datamaster, now what?
  17. low speed cruise problem (throttle hang up on decel)
  18. Efilive Is releasing a Free 2 Bar upgrade!!
  19. SCT anybody
  20. help? installed hppIII now car will not start
  21. g5x3 tune?
  22. Need some advice on tuning friend's 2002 ss
  23. P0106 P0300 P1133 P1153 ASA cam
  24. 98 IAC 01 IAC ?? Hybrid tuning questions...
  25. Source for GM connectors?
  26. still working on the injector problem, here is what i have so far
  27. TSP to the rescue, Thanks
  28. Predator or HPIII
  29. Any scan tools for LS2?
  30. Before and After Tuning
  31. AEM Wideband/HPTuners AFR Problem
  32. injector swap=weird fuel trims, whats this mean?
  33. What can change idle speed other than iac
  34. AutoSpeed Article on Engine Management
  35. pcm pin?
  36. Help, Tuning? F13, Fast 90/90, GM 85mm MAF
  37. WTB knock sensors + questions!
  38. VATS PCM pin #
  39. Where to buy weatherpack connectors ....
  40. Tuning supercharger
  41. PO480/481 Cooling fan control Circuit
  42. Doing 224 Cam This Weekend! Will....
  43. Injectors changed form 26 to 30, IFR table?
  44. When VE Tuning
  45. in open loop, but short term fuel trims are still dumping fuel in
  46. Knock in 3rd comes and goes???
  47. Speed Density tuning
  48. service vehicle light with airbag!!!!!!!!!!!!
  49. Help!!
  50. Electrical Problem
  51. possible MAP problem???
  52. corvette throttle actuator...eliminate surge
  53. SES light on. code P0440 EVAP emiss. cont. malfunction?
  54. Anyone wired up an LC-1 yet?
  55. Ready to buy a tuner program, Tunercat?
  56. Throwing a couple code... need assistance
  57. Anyone have Electro-magnetic interference with MSD wires?
  58. Need a two step quick
  59. my mototron 60lb injector offset experience (o2's work again)
  60. conversion of injector pulse width to duty cycle?
  61. Causes of P0103?
  62. PE mode or a logging problem?
  63. Guys that have had a dyno tune in here
  64. cold start tuning help
  65. Anybody figured out a way to trick the EGR, so no code? Already searched
  66. Failed Inspection, A few questions
  67. Predator reset?
  68. predator work with 00 camaro ss?
  69. Looking for the MAF table for a 85mm GM descreened Z06 Maf
  70. Engine Tuners
  71. ECM Swap
  72. Help i think i broke my friends GTech. Anyone have this problem?
  73. What sensor is this??? quick please
  74. 160* T-stat and Fan Temps
  75. tables knowledge database
  76. Yank SC3000 going in tomorrow 4/14 HELP!!!
  77. Emissions test and have 4 not readys
  78. Screenshot of weird -40+ trims I see sometimes...input appreciated...
  79. Going lean when I crack the throttle
  80. Tunning an A4 with 239 cam
  81. HP Tuner, please check your email.......
  82. Tuner Cat and FreeScan not working.
  83. dfi dyno problems
  84. Speedometer correction
  85. Newbie Question
  86. No Data Link problem
  87. Which ECM
  88. Air/Fuel ratio 11.3 on dyno. Worth a tune, or should i just wait?
  89. Too many codes, explain please!!!
  90. mail order tunes
  91. timing tables, question about the roughness
  92. Hpp3 - LT1 - Settings
  93. dont know what else to do, tuning for injectors
  94. in SD using low octane, how does this effect KR?
  95. Help P0013 P0032
  96. Wanna order HP tuners....wht exactly do I need?
  97. high low octane tables
  98. Hooking up Air/fuel ratio
  99. Turbo tune
  100. Installing larger injectors
  101. connecting wideband and 2bar map to hptuners
  102. Mechanical speedo
  103. Relationship of TCC to shift points
  104. Trouble codes
  105. adjusting injector pulse width, please help
  106. why open loop at idle
  107. Engine starts, runs 5-6 sec, then dies please phelp
  108. Computer Programers Which 1???
  109. How is dynamic airflow calculated?
  110. 1998 PCM??? What's the difference between it and the newer years?
  111. P0500 (vss)
  112. hp tuners question
  113. Hp 2 Bar Or Ls1edit?
  114. KR ? with the predator
  115. Stalling after tune????
  116. Some progress...maybe. I was actually able to create bucking through tuning changes.
  117. viewing IDC... in hptuners...
  118. 112% Injector duty cycle. How bad is that?
  119. IAC reads 0 at idle..is this ok?
  120. HP Tuners......works on 2 years of cars?
  121. Need help please!!!! How do you lower TPS voltage???? I can't get it under .8v
  122. newbie question-98 C5 pcm interchange
  123. VE Tuning w/ a Supercharger
  124. Best way to log AFR vs RPM vs MAP
  125. LTFT Learn Steps......
  126. Method for Disabling Proportion idle?
  127. Need good generic OBDII scanner - no tuning needed
  128. In SD mode, a 98-00 USES A SECONDARY VE TABLE??? G^& D^&*#$!!!!!
  129. Texas Speed Mail Order Tuning On Special!!!
  130. Can't see 97 LT1 Knock Sensor in HP Tuner Scanner
  131. MAF grams/sec
  132. Crankshaft position sensor
  133. simple question.is the vin stored in the pcm?
  134. Anybody Seen Or Heard From Jesse Bubb?
  135. 2001 ss header install
  136. No drill idle mod throttle position voltage question.
  137. ve tables driving me nuts!!!!
  138. HP Tuners VS LS1 Edit...
  139. Is this something the dealer can fix?
  140. Guide to VE tuning using fuel trims
  141. reset trims after injectors??
  142. will i have pcm issues without speedometer with th400
  143. Removing A/C and Radio, some questions.
  144. Get It Tuned???
  145. Cant seem to get REDSUPRA's RAF table to work!!
  146. help throwing a MAP code what to check
  147. o2 problem?
  148. 02s Suddenly Drop From 950+ mV to Less than 100 mV at WOT
  149. running with no maf
  150. Sometimes O2's follow each other, sometimes they are opposite???
  151. Swapping A4 for M6 what to change?
  152. engine light hurt performance?
  153. hptuners SCAN any year?
  154. Newbie tuning the T-Rex, few questions, can someone look at last couple files quick?
  155. IS MAF Freq output proportional to air volume?
  156. couldnt be this easy right?
  157. KR in 3rd gear - due to air resistance?
  158. Anyone ever try Ultrasonic Cleaning slow Oxygen Sensors?
  159. trouble code 0122, 1122
  160. LTFT learn ?
  161. Crank Position Sensor Pinout??
  162. Zero'd out LTFT on fresh H/C install, dead battery, need help w/EFILIVE
  163. phantom cyl 6 missfire
  164. If Tuning the VE table we remove the MAF then couldn't we....?
  165. Fucked up night tuning in SD
  166. Real time control w/HP Tuners/EFI Live??
  167. Car wont start after flash????
  168. Dyno software
  169. how to properly tune Idle on any cammed car??
  170. forced induction tuning question.
  171. 02 question
  172. Tuning and transmission life trade-offs?
  173. IAC tuning drilling
  174. gas pedal stick when up and runs lean
  175. Mail order tune or New dyno tune?
  176. Tuning surging idle-Leave car with tuner so it can be cold??
  177. ok EVERYONE with a timing tuner sound off...
  178. looking for a good LS6 tune
  179. vinci programer
  180. Pagin V6 Tuners -- Knock Retard Decay assistance
  181. P0757
  182. BigStuff3, is it still stuff?
  183. gameover, do you have time for an in-depth on changing Dynamic Airflow Filtering?
  184. Detination and misfire after cam swap
  185. Anyone used the LC-1 yet?
  186. Which PCM to use
  187. Interface for PCM Bench Harness
  188. How do I richen with the IFR table?
  189. Question on Fan Turn on Temp for HPP3
  190. Who tunes with only STFT's?
  191. Tire height calculated vs. installed???
  192. anyone on here have...
  193. tuning without a dyno - possible?
  194. FAST EFI Problems
  195. Ve-ltft ?
  196. lls1 edit help
  197. new o2 sensors, GM or Bosch?
  198. Looking for HPT bin file and have questions
  199. Odd fuel cutout problem???
  200. fuel trims positive at 4400 but runs rich?!
  201. TPS @ 100% when at idle
  202. On a MAF car does the AFR change from dyno to street?
  203. Predator
  204. ltft HELP please
  205. jimmyblue's Trans spreadsheet question
  206. Air flow decay
  207. what do you think about my a/f on this one?
  208. SES Light
  209. LC-1 information
  210. wideband O2 placement in exhaust-dual cutouts?
  211. Need a stock 97 M6 LT1 Edit File
  212. Autotap...
  213. WOT issues
  214. what tuner to choose and why???
  215. Dual Electric Fans
  216. Autotapped the car today, need help interpreting
  217. Let's Talk WOT Vacuum!
  218. what is difference on operating systems
  219. DYNO Run COST in your area???
  220. fuel trims way + and then go - ???
  221. SES light after torque convertor install-help!
  222. M6 Guys, tell me your IAC settings
  223. Can bolt-on mods offset rich A/F ratio?
  224. *P0153 and P1133* HELP!!!!!!!!!!!!!!!!!!!!!
  225. A4 to M6 swap what computer?
  226. Ltft
  227. HP tuners trade-in program?
  228. o2 placement on turbo system
  229. no start?
  230. would a cracked lid, with a tiny hole in it affect A/F?
  231. O2 Sensor Questions
  232. newbie question on hp tuners
  233. HP Tuner ?
  234. P0300 code only at Idle.
  235. C5: Idle stubles or hangs
  236. Need to reset ltrims, where are the bat and ign fuses at?
  237. Put car in gear and it dies
  238. How do you combat a bucking issue around 1500rpm after a cam install?
  239. A4 Transmission question
  240. What would cause my fuel trims to get super rich after I let off the gas?
  241. What should IAC #s be for cammed car at idle ?
  242. SES Light Flashing!?!
  243. help p0420 code
  244. LS1 Edit Communication Error Ideas?
  245. PE table noob question
  246. HELP No idea where to start.
  247. Preditor what sponser has pre loaded program?
  248. Autotap reading help...
  249. what other data programs are there?
  250. help with p0442 code