View Full Version : PCM Diagnostics & Tuning



  1. Cant get car to idle any leaner than 12:1 with big injectors
  2. PCM Fails to hold tune
  3. Open loop at all times????
  4. auto xray code reader help?
  5. Can you lose a partial tune?
  6. 98 PCM Fried now what?
  7. Clean wideband sensor??
  8. Car acting funny after new clutch?????
  9. Tuning MAF with wideband
  10. TPS reads 2.4% when throttle is closed. WTF?
  11. HPtuners Scan
  12. cat. converters / O2 sensors on Camaro Z28 1999 with long tube headers
  13. Where in EFILive can I adjust the Open/Closed Loop Temp. switch on cold start-up?
  14. How much will a Z06 MAF lean me up?
  15. A/F change w/lighter rotating mass?
  16. Getting my 409 to idle
  17. bigstuff3 or efi Live ?
  18. p1125 gas pedal positioning problem with conversion
  19. Tune on a 98 w/STS and 42lbs injectors
  20. Cutting out at certain TPS
  21. Could duals have really screwed up my tune this much?
  22. HPT descriptions..
  23. Tuning question!
  24. Idle Problems
  25. need EFI Live help please
  26. Will a 98 PCM Work In a 99?
  27. tuning a 4k stall
  28. Plx Sm-afr ? *sponsors*
  29. Startup Throttle - Where do I set this?
  30. 2 step help
  31. Crane Cams/Vinci Performance Tuner vs Unichip Piggy-back ECU
  32. what pin is the clutch switch on the PCM?
  33. ECM Question
  34. standard drivetrain loss?
  35. tuning with car on..
  36. Identifiying rear o2 connections by harness only.
  37. Is Ls1edit vista ready?
  38. LT1Edit Speed Density Tuning
  39. emissions in IL with 2 bar map os?
  40. Roll Call: 98 owners
  41. Pcm?
  42. O2 Codes, Fuel Air Metering Codes..?
  43. DB Wideband gauge?
  44. AFR Gauge ?'s
  45. Inspection Problem
  46. Low Octane Table is Always Used
  47. Aeroforce EGT Kit?
  48. Got Codes, What needs to be done?
  49. Rear 02s and Front 02s..
  50. HP tuners, ETC, and big cam idling
  51. LC-1 Vs AutoMeter Wideband
  52. what are the biggest injectores you can use with stock computer
  53. Need a Dyno tune In DELAWARE
  54. Vats Bypass?
  55. Po172 P0175
  56. have some o2 raeding questions
  57. should i buy hp tuners?
  58. Question About My LC-1?
  59. Change 98 PCM to 99 or newer PCM??
  60. Hummer H2 Manual Transmission Swap - Pemliminary Questions
  61. Diablo U7193 need more specific info on what it does.
  62. Need help troubleshooting P0412
  63. fjo wideband controller wiring fix
  64. Need Help Tps, Map, Map/VAP AFU???
  65. jacked up computer???
  66. Quick Question
  67. lean idle
  68. how do you log oil pressure
  69. deleting codes for good question
  70. Going from 28.5's to 42's?
  71. Best place to mount 02 bung?
  72. How lean is too lean?
  73. HELP tuning MAF table
  74. pcmforless 31 datmaster 39
  75. My car won't except my ported tb?
  76. reading 02 trough pcm
  77. po172 po175 how about some help
  78. Misfire, Trouble Codes, Rich Mixture!
  79. How long to receive HPTUNERS HW/SW?
  80. car runs a little rich?? tuner??
  81. Alternatives to LS1 Scanmaster?
  82. P0327
  83. Can someone show me a sample HPT VE table for 2 bar SD?
  84. carolina auto masters?
  85. program to buy ?
  86. MTI Stealth II Cam, .020 Cut Heads = Detonation??
  87. car only runs for 10 sec
  88. Where to start?
  89. WOT problem
  90. I Cannot get rid of P0704!!!!
  91. How are you LS2 guys with 2005 PCM's getting over 800RWHP?
  92. P0342 Cam position sensor low voltage
  93. will a 98 HPP3 work on a 2002
  94. Wierd tuning issue
  95. Traction.....
  96. lt1 edit files? where to find??
  97. not gonna pass inspection...
  98. P0155
  99. Guaging interest:
  100. big stuff 3 off idle surge question
  101. Leaning out
  102. tunning ? A4, tires ???
  103. Timing advance
  104. Drilling 90mm tb for idle
  105. crank reluctor wheel orientation?
  106. Ifr Spread Sheets
  107. those of you that usd LS1_edit but now use HP Tuners
  108. Communitcation Issue
  109. Controlling KR with high SCR & DCR
  110. Po507
  111. Bs3+ls2= No Spark
  112. 411 PCm in a99 LS1
  113. HPT columns..
  114. air fuel ration error pid question, says not supported
  115. Emissions trouble.. can't pass the emissions readiness test
  116. pcm for a 408 swap
  117. Interface not found... ARGGGG!!
  118. Besides PE vs RPM what controls WOT fuel ratio?
  119. Restting trims without a scan tool?
  120. Help !!! Tach Not Working On Ta
  121. HELP! Check engine light
  122. Tuning
  123. accessory drain..
  124. tuning a 4k stall
  125. Rio Grande Valley/texas Dyno Tune
  126. Is the carputing(Ls1 Edit) module compatible with any other scan software?
  127. tuning for race gas
  128. HP Tuners question, search didn't work...
  129. Po327 Code Will Not Go Away
  130. quick a/f tune question
  131. Help Please! Car won't stay running
  132. po172 and po175 runs rich
  133. High Idle, until I stop.
  134. Tuning
  135. can this be done?
  136. Corvette mileage storage
  137. SD tuning when IAT is integrated into MAF?
  138. New Tunning Bookj Came Today !!!
  139. HP Tuners Fuel Pressure Modifier
  140. Did I Buy The Right SVO's ???
  141. lm1 question - need an answer fast thanks
  142. Dash Lights Pulsating???
  143. why so lean?
  144. P0650 Malfunction Indicator Lamp
  145. What's up with the All Mod site?
  146. read FAQ and searched but one lc1 question
  147. Kind of a silly question
  148. no idea
  149. Stock PE Multipler?
  150. What causes 02 sensor to stay at 450 Mv
  151. Timing Tuning Question
  152. EFI Live on Mac OS X?
  153. Diagnosis help please?
  154. 02 bung + plug
  155. B4C Police Option ?
  156. LC1 flaky after only one week. Those that have had failures come in.
  157. Torquer 3 bin?
  158. low dyn cyl air ?
  159. 04 vette tire sensors
  160. P0327 Knock sensor 1 circuit low input bank 1
  161. 28# injectors tuned now runs like crap
  162. o2 sensor help on a '04 vette...
  163. idle startup question
  164. make Wide band work off of 5 volt source
  165. Engine oil light?
  166. Blowup car? I need help PCM, HPTUNER, GTO, GOD?
  167. Dyno tunes?
  168. 2 bar SD HPT what basic stuff do I change to get the car to run...
  169. need advice
  170. Replaced MAP sensor and now get P0107 code
  171. Stickies!!!
  172. Knock sensor frequency low?
  173. Adjustments to Predator Tune
  174. scanner wont read lt1 obdII?
  175. Tune help needed
  176. Is there a universal PCM tuning suite?
  177. Is there a universal scan tool for all ODBI and ODBII cars?
  178. Buying a 94 LT-1 - how to tell if PCM is correct to VIN?
  179. 02 sensors
  180. AEM Wideband Question
  181. Anyone have a computer based scan tool I can use?
  182. fuel economy in a low CR motor
  183. truck pings ?'s
  184. Part number needed..
  185. P01133 and P0133 a few months after header install.
  186. using LS1 edit after an HP tuner
  187. TPS overtravel?
  188. Help Tuning with large fuel injectors?
  189. P0440 and P1626
  190. low voltage @ WOT on narrow band
  191. 2007 Pcm Os
  192. lt1 DataMaster tuners come in!
  193. SES but no code
  194. Secondary Air Injection
  195. Will these SES codes hurt my engine
  196. NYS Inspection???
  197. Quick PCM question
  198. lc1 not working what could be wrong?
  199. evap question
  200. Tuning and Deleting Codes
  201. S.E.S. light came on?
  202. Can i use my HPtuners to read a code on another car i have no license for?
  203. Jet Chip?
  204. Couple of HP Tuners/LS1 edit questions
  205. VATS problem? ever heard of it?
  206. Code PO1810
  207. efilive roadrunner
  208. ls1 bog after 1/4 throttle to wot
  209. Nitrous Pressure Logging
  210. cpu question
  211. cam sensor code p0343
  212. Hesitation when downshifting (M6)
  213. A/F question, check it out.
  214. Misfire Problems...please help.
  215. Air & Fuel adjustments ? ? ?
  216. TPS Sensor
  217. O2 Sim is just a diode?
  218. HELP interpret these codes!
  219. DFCO 98-2000 vs. 2001-02
  220. need tuner location help!!
  221. upgrade autotap (at1)?
  222. Is efilive compatible with windows vista?
  223. Car surges (RPMS rise when clutch is in)
  224. AEM output connection
  225. hard shifting, how to adjust line pressure?
  226. lm-1 problem
  227. when tuning ltfts... (HPTuners)
  228. Need a good tuner
  229. Pissed off at my o2 sensors - solution?
  230. ABS and Brake lites
  231. Please Help! 07 TBSS no o2's and no air temp?
  232. secondary air pump not coming on
  233. Code P1336
  234. conflict between WB & NB LTFT
  235. Will tunning help tranny shifts??
  236. P0342 camshaft position sensor low input?
  237. Problem In The Pcm During Dynotuning
  238. please help me idle
  239. INFO needed about knock module
  240. knock retard
  241. how to take out pcm ??
  242. drive shaft speed sensor with EFIlive
  243. Anyone having troubles with Hptuners and long delays?
  244. Cheapest way to delete air,02 and egr?
  245. With an A4 going from 2.73 to 3.42...is tune required?
  246. suggestion for tuning book ?
  247. buy HPtuners or have it tuned
  248. Jeremy F tuning & porting Orlando and Ft myers
  249. Please Critique my TPS theory
  250. Dyno Tuning with predator