View Full Version : PCM Diagnostics & Tuning



  1. Idle Hiccup
  2. AutoEnginuity Software
  3. Best practices for open loop (with MAF) tuning
  4. A4 inconsistent shift rpm ls1edit
  5. Is Auto Tap Usefull?
  6. help me out with upping the line pressure...
  7. I have a HP Tuner question about Cruise control effect
  8. wow, got a dyno pull today...wtf to do with this mess?
  9. need help diagnosing problem
  10. have a question about bringing my car to get a ls1 edit tune for my A4 trans
  11. SoCal Tuning
  12. Big problem with my Predator
  13. Knock Retard
  14. LT Headers, now running rich where do I make adjustments?
  15. PCM Problem
  16. HP tuner?
  17. header leak? codes 420 / 430 / 1133
  18. Does the Predator have 'return to stock' feature?
  19. OBD2 LT1 Edit Probs
  20. Is there a free scanning software (or low priced)?
  21. Help
  22. Tach busted - Cam sensor related?
  23. P0736 - Reverse Incorrect Ratio
  24. Codes P0172 & P0175, Help!
  25. Another question on a Predator
  26. Used Hypertech Programmer
  27. idle tuning
  28. IAT question...ECU use F or C????
  29. New 408" on dyno, LS1edit Tuning, car acts like rev limiter 1500 rpm after WOT
  30. bad gas = P0430??
  31. Adding a resistor inplace of the IAT(nitrous - retard timing)
  32. i need an exorsist.
  33. Look Ma - no Tack-o-metor?
  34. Cam sencor bad - now what?
  35. Kinda wierd O2 question??
  36. Open Loop
  37. PCMForLess Reputation???
  38. Knock, Knock who's there? (VE Table Question)
  39. CKP circuit code...found problem.
  40. proportional and o2 error tables
  41. Odd Voltage Problem
  42. Need advice.
  43. running rich
  44. Open loop all the time, slow O2s???
  45. will this help me pass inspection?
  46. PCM reflash.
  47. IAT sensor + nitrous timing retard quesion..
  48. Would it be worth it for me to get a predator?
  49. Predator or Vinci????
  50. PCM read time
  51. OBD II Information
  52. Injectors Maxed Out?
  53. HP Tuner Log File: Please have a look for me.
  54. Any help with 2535 code on PCM (power mode)
  55. Are these codes all related?
  56. codes? Is this bad?
  57. what does this code mean
  58. Dynojet Wideband Commander......suggestions?
  59. crank relearn
  60. Hypertech or Predator
  61. How much power is to be gained if i get my AF at 13.1
  62. Predator Question...
  63. please help-kilometers to miles!!
  64. Hp tuner -- How to delete this
  65. Predator
  66. High idle
  67. Speedo calibration for 4.56's with diablo?
  68. added ls6 intake + 1.8 rockers/918 springs gained NOTHING at the track!
  69. VE Tuning....what temperature is ideal?
  70. Technical Injector questions, Injector comp batt volt
  71. How to engage open loop in HP Tuner?
  72. HP Tuner and A/F Ratio
  73. how exactly is the AFR of about 14.7 regulated in closed loop?
  74. VE tuning, baffled, 2000 c5, 30% swing, no affect!!
  75. Is there a cam limitation with the computer?
  76. Maf table
  77. SES light and 14:1 A/F ???????????????
  78. whats wrong w/ diablo?
  79. Alright guys, I need some help..Car's getting tuned tomorrow!
  80. Just got home from TEA....
  81. Help with my hp tunes logs
  82. ls1 edit
  83. oxygen censor?
  84. Need Help On Cam Tuning
  85. Car just accelerates to 110mph! Please Help
  86. TCC stuck open
  87. newbie pc laptop question
  88. 8 PSI still made no power???
  89. best way to tune
  90. Bad cam sensor - now what?
  91. Computer crashed so now I lost LS1edit
  92. dyno tuning in 2 weeks, what to expect?
  93. kr when converter unlocks-tranny downshifts?
  94. MisFire
  95. Help my trip odometer auto resets back to 000.0
  96. AFR or Timing power loss/gain
  97. Need Stock File
  98. Zeitronix WBO2 GP
  99. Zeitronics WB o2 for $279. anybody use one before
  100. Mafless VS Maf open loop?
  101. Can you mix O2 sensor brands side to side?
  102. Surging while cruising with light throttle
  103. injector
  104. Code 0172 only?
  105. Ltrims & Supercharged cars, what a pain in the....
  106. Diablo Predator(Hurrcaine Iven)
  107. Push clutch pedal in, RPM's drop way below idle
  108. LSX 90 w/FAST 90 TB idle tuning
  109. people using hptuners in Texas, south OK, sw AK or west LA come in!
  110. GM messed my Z up
  111. [B]injectors shut off, cant figure out why[/B
  112. P1416
  113. Tuning software
  114. car had ls1edit before i put in the 383 assembly, what now w/ hp tuners?
  115. I've aquired autotap HELP!!!!!
  116. How much power can be gained by going from
  117. bogging problem...........fuel pump??
  118. cruise control not working no blown fuses
  119. Ltb2 10.5
  120. Tripometer Randomly Resetting and other probs
  121. PCM code P0430
  122. not to throw a wrench into this whole negative Ltrim = 0 WOT ltrim but..
  123. MAFLESS VE Tuning
  124. Bad o2's
  125. How to fix "railing" O2's??
  126. "Real Time" LS1 tuning for the US Market.
  127. Used HP Tuners for the first time today!! :)
  128. Multiple codes - short circuit?
  129. Dumbass 87 octane
  130. 94 Lt1::Going from 52mmTB to a 48mm stocker????
  131. traction control
  132. what does ve actually stand for? etc.
  133. (LS1Edit) Ltrims by RPM, sudden change from + to -
  134. (LS1Edit) Car is lean on initial WOT tip in... what to change?
  135. Need Help ASAP! Unable to connect to PCM!
  136. Cylinder Volume
  137. Generator Code
  138. P0336, questions!
  139. Cyl Volume
  140. My PCM is done, where to buy a new one
  141. 2 DTCs, and what do i look for to fix them..
  142. LS1 Edit: Can a table be copied in from Excel?
  143. LTB2 Running 11.7
  144. Just bought hp tuners
  145. P0123
  146. wtf.! getting this nagging PO121 code
  147. tuning ?
  148. Car keeps dying when I turn the A/C on.
  149. Mucho codes here - Yikes!
  150. Mail order pcm?
  151. Question on VMC "learning" your driving habbits.
  152. Help, P1133 HO2S Insufficient Switching Bank 1 Sensor 1
  153. I can't toggle my 121 code??
  154. 02 Z06 MAF table help
  155. po106 after h/c install.
  156. Need help , PCM trouble?
  157. TR224/114/112 tuning question
  158. Speed Density and Timing
  159. M6 and Skip Shift Question
  160. HP Tuners Question about Open Loop F/A Vs.Coolant Temp vs. MAP
  161. a/c and heater controls
  162. MAF observation I made, Holden LS1
  163. Speed density people...what to replace my MAF with?
  164. Tuning problem with STS turbo
  165. o2 voltages on decel low, because of long tubes?
  166. The infamous P0101 after BIG cam, anyone been here before?
  167. Something to consider with HP Tuner...
  168. gameover...question regarding an incomplete speed density related post
  169. looking
  170. Misfire at high speed
  171. Anyone have stock '03 Z06 LSIEdit file?
  172. WB 02 result & Question
  173. looking for pinout for bench harness.
  174. Where to start to tune new 408 with ls1edit?
  175. EFIlive flash scan VS HP tuners VS LS1 edit.which one to go with?
  176. Can't get my laptop to talk with my car.(help)
  177. slp tune?
  178. 231/237 cam red line??
  179. Help... need help asap.. 02 not cross counting with maf plugged in...
  180. Switching to 6.0L.... what do I change?
  181. 3.42 A4 guys, can I see your shift tables?
  182. how do you guys attack KR? Average or max?
  183. who has there hands on a big stuff?
  184. A/F mixture Guage Question
  185. Tranny shifting early/late
  186. Service vehicle light and crank relearn.
  187. A/C Idle issues in Y-Body and stalling when the throttle is slammed shut
  188. Survey: How much airflow at idle.
  189. Will O2 extentions affect tuning????
  190. How much HP from tuning stock car?
  191. Need the MAF Table
  192. Hot and Cold Start up surge Open Loop Question
  193. crunk down the mv on bank1/2 o2
  194. a place to tune near Greenville SC?
  195. wide bands????
  196. My theory of the Maf and its inacuracies (sp)
  197. Open loop WOT question
  198. First time user with HPTUNERS
  199. problems with a/f ratio
  200. Data logging a wb/autotap?
  201. info
  202. PCM pin assignments...
  203. O2 sensor cause a misfire? ???
  204. Initial Tuning on My First Blower Car
  205. HP Vs. LS1Edit - what is the difference?
  206. dead spot at wot
  207. anyone experienced with hptuners a few hrs. from dallas area? will pay for help!!!
  208. Going from Closed Loop to Open loop?
  209. Throttle position sensor insufficiant ac?
  210. HPtuners!!! come inside.
  211. adding intercooler, meth, and tuning
  212. Cavalier ?
  213. How to eliminate the detonation at tip-in/half throttle? LS1 Edit
  214. My MAF is the root of all evil
  215. Question for the MAF gurus
  216. knock retard and questions.
  217. If I install SVo 30 injectors what will I have to change?
  218. LS1 Timing Tuner
  219. help please car wont start after i messed with computer hptuners
  220. PCM won't hold memory?
  221. Need Advice on the PE for Nitrous Car
  222. HPTuners set the main spark table enable to 0.0
  223. Just sent an email to GM
  224. HP tuners is the greatest....
  225. DTC P0101 MAF code with big cams?
  226. Hp tuners
  227. Any handheld alternative to Ls1 edit?
  228. Predator not uploading/I'm stressing
  229. ?? on a 95 trans am
  230. Can HPTuners read your PCM after LS1edit tuning?
  231. Predator custom tune any good?
  232. F-body vs C5 PCM tune..
  233. Stoich value...can someone answer some questions?
  234. Can I look at your trans table?
  235. Who is close that can dyno tune my car
  236. Aha. Don't I feel stupid. Tuning fuel trims with and without MAF plugged in...
  237. random misfire, cant figure out whats wrong
  238. A4 Predator Users!
  239. Contact info. OBD2 software company??
  240. idle timing for h/c cars?
  241. Ve tuning
  242. If I disconnect the MAP sensor can I tune my MAF?
  243. predator tunning?
  244. Desired IAC counts...jumping anywhere from 16 to 458?
  245. Explain this to me...
  246. MAF flow logs ... dips here & there ?
  247. Got my laptop for the HPTuners!
  248. High TPS voltage During Hard Acceleration
  249. Running rich causing missfires?
  250. What is your Commanded AFR at start-up?