View Full Version : PCM Diagnostics & Tuning



  1. Bad O2? or Bad Injector? or ???
  2. 40/60/80 method
  3. question about ECT spark advance correction
  4. question about start up flare control vs rpm error
  5. Diablo Help!!!!!!!!
  6. Knock Retard in Open Loop
  7. where do i start reading guys?
  8. zero degrees timing advance!?
  9. New sensor still throwing 121??
  10. rpms surging during cold start. wtf?
  11. GM Computer Updates?
  12. 2 Step with HPT...
  13. 125% duty cycle on injectors
  14. How do I switch from 3 channel to 4 chan. ABS????
  15. A4 downshift double surge???
  16. rich condition
  17. SES light P0751...HELP!
  18. Anyone ever figure out hot start issues?
  19. hp tuners and tire sizes
  20. air/fuel ratio question?
  21. Please help! Hesitation when shifting! I think it is tuning related.
  22. Idle problem!
  23. Hptuners + wideband + boost = I don't know how to tune it
  24. Hp Tuner Question
  25. Accel Gen 7 My experience
  26. IFR for 42lb Injectors??
  27. open loop vs. closed loop
  28. Power Enrichment Table /rpm
  29. misfire counts are at 0, with cam?
  30. IAC counts were jumpy, used to be 30 now 60? what gives?
  31. computer throwing codes
  32. Looking for IAT sensor pigtail?
  33. IAC in HPTuners help.
  34. Wideband hooked up to HPtuners. Now what?
  35. Very intresting find on Bosch part#0280155868
  36. Want to order HPTuners, got some questions
  37. best to start out
  38. Should I get a tune?
  39. AT1 Download
  40. P0327 Knock Sensor code won't go away
  41. Ram Air and Dyno Tuning???
  42. Desired Torque only 350?
  43. Need Some Help...
  44. tuning help
  45. ls1 edit question
  46. Timing Question
  47. Reflashing the PCM, How does that work?
  48. EFILive .map's/custom PID's
  49. about to install cam, what to change
  50. Quick Timing Lingo Question
  51. HPT VCM Suite Help Guide - Fuel System
  52. hp tuners, what is best to find a misfire
  53. pulling timming?
  54. PE vs. rpm question
  55. good place for instillation and comp. reprograming
  56. Help With Vinci Tuner
  57. How the heck do you read the Excel File once you export?
  58. Tunning question with mew MAF....need input...
  59. Tune & Dyno Costs???
  60. how do i tune for my cam?
  61. Car cranks but won't start.
  62. Dual Wide Band hookup?
  63. Help, I fugged up
  64. 4,000 RPM's and its hits a limiter HELPPPPPPP
  65. Please Help ASAP,Need Bosch Part Number for O2 sensor
  66. Q: Wideband and Air Pump
  67. STFT's still active in open loop?
  68. Efilive Flashscan Rocks
  69. SES Light
  70. modified car- what do i tune? wont run right
  71. where on hptuners do you find the misfire history
  72. Mounting PCM? Does it need grounding?
  73. What VSS values?
  74. o2 code question
  75. Regarding "dynamic air" measurement....
  76. I'm going to take a hammer to this POS
  77. LS2 programming harnesses available now
  78. throwing a code...please help
  79. HP tuners
  80. Crash Tuning Course
  81. Anyone use one of these? could be MEGA cool
  82. ecm problm
  83. Help with engine warning light
  84. LC-1 to HPT Enhanced Input Output wiring
  85. code 1638 5v reference? what is it?
  86. calibrating kr tables
  87. switched and fused +12V source
  88. More "simple" questions
  89. LC-1 and narrowband simulation
  90. Wiring harness/ECM question
  91. Anyone see why there are misfires?
  92. I thought STFT & LTFT range from -25 through +25?
  93. SES Light Code 1133 MAF sensor?
  94. Throttle Position code?
  95. Anyone have an STS tune???
  96. Tranny issues/shift points,etc...
  97. Idle problems...help
  98. Transmission calibration table for ls1 edit
  99. ses light
  100. HELP with Idle tuning using HPtuners ASAP!!!!
  101. Where to buy EFILive?
  102. help me with these codes and how to fix please
  103. A4 tuning... ROCK AND ROLL!!!!
  104. Doesn't HP Tuners have a compare function?
  105. HP Tuners Missfire sensitivity
  106. Diablo is jacked up!!!
  107. dead Crank sensor + tach signal?
  108. AFR in SD
  109. intermittent electrical/sensor/VCM problem?
  110. predator and serial cable
  111. Spark VS Airtemp table modifications
  112. Car won't run without maf
  113. wideband o2 questions
  114. timing and AFR from Tech 2 scanner...
  115. EFILive competition
  116. using wideband to tune??
  117. Disable rear o2s
  118. Snap on MicroScan Scan tool
  119. Think I am going to go mafless
  120. Caspers fan switch
  121. code p1870 tranny component slipping
  122. LS1 Edit Repository?
  123. Stock computer??
  124. LS2 Edit.
  125. do i need a tune?
  126. SES, Low Maf signal and Random Miss
  127. my ltfts...they are mostly negative
  128. Where in edit to change max line pressure?
  129. LT1 File database
  130. MAFless tuning question
  131. Unplugged MAF and no code
  132. CAT/lean codes + 25% LTFT
  133. HP Tuners rocks!!
  134. books on tuning ?????
  135. Rev limiter?
  136. 2000 LS1 electronic throttle disable
  137. How much timing are you running with 400+ ci?
  138. MAF descreening-wierd idle after
  139. AFR Question
  140. proper way to desensitize knock sensors
  141. Yet another ve ?
  142. 4 Degrees Knock Retard
  143. o2 sensors are staying above 800 constantly
  144. Vinci Tuner ~SOTP~
  145. Testing Knock sensors??
  146. unexplainable knock retard
  147. Anyone locking up there converter with software?
  148. HP tuners minimum system requirements
  149. It's like its in Cruise Control.
  150. shifting based on rpms alone
  151. PE Question
  152. 100 series micropack connector???
  153. Finally tuned maf steps outlined
  154. open loop tuning question
  155. wideband question (aem uego)
  156. LS2 edit on a Procharged C6
  157. HP TUNERS tune Magna Charged LS2 Auto
  158. The best tuning software
  159. Annoying SES light. any advice
  160. pass n gear problum on my Z
  161. PCM swap and alarm systems
  162. sensor problems???????????Help
  163. How to proper scale injector flow table for SVO 30# injectors
  164. PE table increase when MAF re-enabled?
  165. Has anyone who tuned their car in closed loop
  166. diagnostic programs ?
  167. LTs + TDs + HP Tuners = Service Vehicle Light?
  168. DTC P0327 Knock Sensor Circuit Low Voltage
  169. Could Not Do Full Rewrite - HPTuners
  170. STFT question
  171. Quick EFI Live Flash Scan Question
  172. tire size question...is it wrong?
  173. HPT need help with VIN issue....
  174. IFR table for 28# injectors
  175. P0152 and P0300 after large puddle?!?!
  176. Hp Tuner
  177. ON or OFF, proportional idle...
  178. 3>4 shift, help
  179. Hptuners bin file for 98 ls1 with 02 ls6 cam?
  180. Cam surge on cold/warm startup's, but fine while driving, help???
  181. Autometer 5" tach Help please
  182. Looking for a stock calibration file for....
  183. Ease of tuning Delphi 38#r's
  184. Serial card guys in here
  185. car dies at quick stop when a/c is on
  186. need help with tuning maf
  187. hp tuners keeps losing connection, getting very frustrating
  188. Touble codes
  189. Roommate took HP Tuners CD, how do I get software?
  190. PCM Gasket Question
  191. Want to get a new Laptop,But How do I run HP Tuners without a 9 pin Port?
  192. Detonation Please Help
  193. lm-1 configuration
  194. Tuning My LS1
  195. *** Update 90mm TB + 48% Effective table
  196. check engine light
  197. Where is the table for changing LTFTs?
  198. IFR table and SD/VE tuning
  199. Mass Air Extender's
  200. 1-2 shift issue
  201. Broke into my Gtech - Made my own dynamometer
  202. Where to find fuel injector connectors male/female?
  203. Tuning idle? hard for the pro's??
  204. pcm change 00 to 02 quick question about HP TUNERS
  205. Do i have a tunning problem?
  206. Quick question
  207. Help my car is kicking my a__
  208. OBDII question
  209. simple tranny tuning question
  210. Crazy O2 readings
  211. College degree to tune?
  212. different method for tuning ltft
  213. Rev limiter ?
  214. To0ning
  215. force motor current troubles
  216. tuning hints
  217. 04'Vette rich condition???
  218. cold start: how to fix rpm over/undershoot
  219. Question on Vinci/crane programmer
  220. does anyone use Holley FI?
  221. Does anybody know the address for diablosport?
  222. Aeroforce intercepter gauge
  223. Rear tires, how tall can I go witout the abs inop light comming on?
  224. my 1st tune
  225. do i need a tune
  226. vortec supercharger
  227. SLP MAF or Stock MAF??
  228. Can wet O2 sensors dry out?
  229. help
  230. Anyone max their MAF table?
  231. Do all stock programs run THIS lean?!?
  232. Tune idle or VE first?
  233. speed is off
  234. needed 2000 truck 6.0 bin
  235. Mounting a 5" tack?
  236. Disable/Delete VATS vs Security light...
  237. torque converter will not lock
  238. Tuning question on new setup...
  239. LS1Edit vs. NYS inspection...
  240. p0106 map values, engine diagnostics
  241. Iac counts
  242. security light stays on with vats disabled
  243. Fuel trim Data logs (help)
  244. LTFT's + and other ?'s
  245. Will MAF Frequecy change my A/F Ratio For WOT?
  246. Please help me understand MAF Frequencies?
  247. PCM Won't Reset
  248. TPS problem.
  249. Efi Live Ve Table
  250. Pike's Peak