View Full Version : PCM Diagnostics & Tuning



  1. Problems reading PCM?
  2. Converter acting up... trying to lockup at WOT
  3. BS3 vs. HPTuners
  4. Altitude changes
  5. Vapor Lock symptoms?! Need help (long post- ongoing saga)
  6. Is there a simple way to just cut back my timing across the board?
  7. H/C vs Cam Only Timing
  8. Rescaling MAP values for 2 BAR
  9. SD Custom OS
  10. Tuning out 2-3 T/C lockup?
  11. How to clear vin out of Hypertech Programmer?
  12. Lights kill my car?
  13. ultra sensitive VE's?
  14. C0281 Stoplamp Switch Circuit
  15. HP Tuner help
  16. RTT bug with new HPT?
  17. Backfiring
  18. how to get a brake code
  19. Detonation
  20. i need help!!!
  21. A/C Causing Weird Problems anyone else have this?
  22. KR When MAF is Operable
  23. Taking out PCM
  24. considering HPtuners
  25. How well will the car run with no tune?
  26. Car runs poorly with MAF Translator.
  27. Inspection
  28. HPTuners, IAC, and high idling problem.
  29. Speed density tune????
  30. EGR input for wideband on LS6 car?
  31. Datamaster usage question.....
  32. HPT Custom OS MAF vs SD
  33. Bosch wideband...tuning?
  34. Freakin LC-1 is taking a dump - again!
  35. Electromotive (TEC-3) computer
  36. PCM Interchange
  37. Narrowbands, and wideband.
  38. hp tuners for duramax?
  39. Computer's
  40. Air pump
  41. 42-43 degrees timing at 68-70mph, normal????
  42. Air bag light stays lit
  43. What is the different ?
  44. Thinking about descreening your MAF? Think again...
  45. Reset PCM to learn new o2???
  46. WOT A/R ratio
  47. o2s drop to [0] and ecm goes open loop,
  48. Any ideas over here???
  49. MAF Translator
  50. Car wont run in SD. Dies without the MAF!
  51. RPM gauge not working
  52. Bank 1 ignition not firing
  53. Speed Density???
  54. Gen 7 KINGS need some help !
  55. SW headers,3" duel ex.=dtc P0050&P0056 ?
  56. motron 60# injectors....
  57. Where in US is HPtuners located?
  58. Check out my idle PIDS and give me your input..PLEASE!
  59. HPTuners Real Time Tuning...
  60. Current HPT MPVI Pro upgrade lead time?
  61. Hypertech Power programmer III
  62. Cant get EFILive to retrieve info from pcm
  63. electrical gremlins!
  64. What Happens When the VE Table Doesn't Agree With the MAF?
  65. what should my AFR be?
  66. HP Tuners: VCM Suite 2.1.12 now available!
  67. Anyone else program their fans to stay on after the key is off?
  68. Injector Flow Rate and tuning?
  69. 2000 Chevy Pickup P0300 & P0153 codes
  70. Can PREDATOR disable Rear O2 sensors on 2005 CORVETTE , without custom tune ?
  71. Hesitation
  72. IAC counts in HP Tuners
  73. Engine Temp
  74. LC1 Voltage Offset / Correction
  75. ABS DTC Readers / Software
  76. Not running right, HELP!!!
  77. EFILive Custom Nitrous Tuning
  78. DFI gen 6 HELP!!!!!!!
  79. SES light multiple codes
  80. Miss fire but no ses
  81. p0412 code, secondary air valve malfunction...please help
  82. p0412 code, secondary air valve malfunction, help
  83. low idle with maf plugged in
  84. Radiator fans stayed on
  85. 383 stroker only cranks with a scanner pluged in????wtf
  86. Getting a dyno tune.
  87. detonation?
  88. stumbles, backfires and then dies
  89. DTC P0172 has shown up
  90. Real lean while coasting, what can I do?
  91. Torque Management programing
  92. '98 Tuning. How many.....
  93. Idle and start up problems. please help.
  94. Best tuning software?
  95. Just got HP Tuners
  96. No serial connection on my LM-1
  97. will a Predator for a 99 M6 f-body work on a 2000 M6 f-body?
  98. Will it run ?????
  99. the new inspection stuff
  100. H/C/I on 02 Z06
  101. ETC Area Scalar ajustment...
  102. New 2 tuning world. Couple of questions.
  103. Problems with gears/programmer.... can anyone help?
  104. why do i see different AF ratios on my wideband in different gears?
  105. Where can I get a reliable tune or computer edit for my '00 SS? i need one!
  106. here's how to fix rpms dipping when coming to a stop
  107. Still no start.....What's the issue?
  108. Problems with transmission shifting.....Please Help!!
  109. Reset computer, how long will it run bad?
  110. a/f ratio... did i get a bad tune
  111. Unlocking converter in 3rd gear under part throttle
  112. Need Help!!!!!!!
  113. Low Perforamnce and No Idea Why. HELP!!!
  114. Tuning issues
  115. another LTFT thread..
  116. EFI Live Shortcut
  117. Idle/rpm falls almost to dieing while in Open-Loop
  118. yes im dumb
  119. pcm pins
  120. racetronix or Disc injectors...
  121. What engine parameters does a ported throttle body affect and how?
  122. LC1 Sensor dead?
  123. Software upgrade on my PCM
  124. Vague LS1 Edit Tune Question
  125. Tuning issue????--Graphs enclosed
  126. how rich is 940mv's
  127. What else could cause idle hang?
  128. Still having some problems, help!
  129. Change diagnostic connector and cable
  130. Painless harness swap
  131. Anyone Recently Purchase HPT?
  132. Tuning for corn gas?
  133. Diagnostics port
  134. LTFT tune puts a VE cell at 0?
  135. Induced MAF failure = shifting out of park HARD on cold starts?
  136. HPT question about 3 bar
  137. Ses
  138. 30 hp increase with a tune?
  139. Trying to Set Idle Higher?
  140. Dip in Power Any Ideas??
  141. Good shops in NJ for a tune
  142. should my car be surging?
  143. Idling too high after cam,heads & intake install
  144. ignition breaking up?
  145. Installed Heated 02's, now it runs lean?
  146. Need FAST EFI Dashboard sensor descriptions..
  147. Can I still tune???
  148. 3bartune
  149. wideband question
  150. Troubleshooting? check this out
  151. Firming up shifts?
  152. P0172 & P0175 before or after cats
  153. Motor rev up fast but come down slow ?
  154. Quick HPTuner question
  155. trans wont shift
  156. A Quick Question For Novice Tuner
  157. Ses Light Question
  158. can you reflash and keep aftermarket tune?
  159. Some crazy O2 switching problems under part throttle.
  160. Needs Programmer To Get More Out Of My Procharger
  161. Car runs ruff now, Edit tune 1 year ago
  162. Car has issues that are driving me insane!
  163. How to change the maf table
  164. LC-1 question
  165. PCM Swap
  166. DAtamaster SuPPorT
  167. Need some help bad!!
  168. is pcm fried
  169. Injectors... and stock vs Disc
  170. SES Light code 153..Help! O2 sensor drama!
  171. p0300
  172. Dynotuning
  173. tuning ?s need some help
  174. throwing 6 codes-- yikes
  175. P0107 ?
  176. Throwing a Code
  177. tuning a GMS maf
  178. How did everyone learn to tune
  179. maf sensors
  180. Can new O2 sensors make your car run leaner/richer?
  181. Running Rich
  182. lc-1 help plz
  183. timing
  184. cars shifts in 3rd and falls on its face
  185. 3 years in the making now how do i tune it???
  186. LS1edit -> HP tuners -> LS1edit tuning confirmation needed!
  187. PCM locked, PCM in unknown state, seed not accepted ?
  188. Accel dfi gen 6
  189. Change PCM pin assignment with HPT/EFI Live
  190. Recover PCM
  191. Please answer this once and for all...
  192. Will a bad Cat make you run rich?
  193. help
  194. Please Help, feels like i'm towing a yacht
  195. MTI or Connely's for a tune?
  196. Running Rich?
  197. Granatelli MAF fixes A/F!
  198. Injectors not firing
  199. my roll to 137mph run
  200. Ballpark my WOT timing
  201. 160 thermo temp swing, tell me what the
  202. Speed Inc.?
  203. Question about HP Tuners
  204. Racetronix fuel systems + 36lbs Injectors = Change in tune ?
  205. TM Question, Spark Retard vs Torque Reduction
  206. SES Light Flashing, PLEASE HELP!
  207. wtf? did my car somehow loose its tune?!
  208. Can tuning be done this way???
  209. MAP sensor readings
  210. Help me set up my TC lockup tables on HP tuner software?
  211. ?? Tuning Ltrims with HP Tuners ??
  212. P0140, P0160, P0412....
  213. How difficult is hp tunners?
  214. Cheapest way to change fan temps?
  215. HPT Question, Desensitizing the knock sensors..
  216. using atap
  217. change oil light is on?
  218. wiring up alternator with fast
  219. Bi Fuel Engine Building/Tuning
  220. cannot get equiv ratio to 1.00
  221. ASR turns off by itself.
  222. Can HP Tuners do this?
  223. P0336
  224. help withmy wideband hookup plz
  225. lc-1 wideband hookup help plzzz
  226. need tune
  227. changing park to drive shift pressure (HELP)
  228. Too much fuel?
  229. ft wayne area lt1 tuning
  230. Help with SES Light
  231. My car = BDNWW
  232. Knock Knock
  233. Bolt on tune.
  234. locked computer
  235. Hp tuners?
  236. LC1->laptop connection
  237. need help with a code
  238. Resetting 98 Ls1 Pcm
  239. How much will my new heads/cam and engine throw off my old tune?
  240. different IFRs for greentop 42#'s ?
  241. Hooking LC-1 to EFILive FlashScan
  242. AC messin up tune?
  243. Insufficient Switching Oxygen Sensor Question
  244. name these plugs
  245. Need a Part Number for 2bar map for LS1
  246. Where have you mounted your LC1 Sensor Controller Under your Car??
  247. Traction Control Issue
  248. Can Megasquirt & MSD 6010 Box control everything to run LS1?
  249. help please
  250. Fried PCM???