View Full Version : PCM Diagnostics & Tuning



  1. MAF Translators, worth it or not.
  2. quick wiring question
  3. PCM data issue
  4. Emissions testing
  5. SES Light on after Heads & Ls6 intake installed?
  6. MAP voltage - help?
  7. HPTuner site down...HHMMMM!!!!
  8. Code P0704......
  9. #7 cylinder aweful misfire, checked everything. Tuning?
  10. On a 99 SS, does the PCM read oil pressure?
  11. Finding an intake leak question(poss parts damage)
  12. hey guys, im getting 9mpg, im gettin the car atapd, anything i should look for?
  13. Open Loop Question
  14. How to fix DTCs for insufficient switching O2"s?
  15. MAF relocation
  16. help with spark map
  17. HP Tuner TC tuning
  18. Shift Points
  19. WOT at 5600RPM car shuts off/backfire HELP!!
  20. Quick need help coil ground.
  21. Auto tranny tuning tables
  22. Light throttle surging...interesting find...
  23. 2004 Gto
  24. Supercharged C5 with lots of SES codes..
  25. What options available for a 1998 Chev Silv for VCM Tuning?
  26. Help with Predator in OC, CA
  27. 93 octance tuning = perfecto
  28. LM-1 O2 replacement ... which to get? and where?
  29. New to HP Tuners - Couple Questions???
  30. Tuning a Turbo or Supercharger.
  31. Arg! My HPT Cable is a potato! It sprouted!
  32. need some numbers, plz.
  33. tuning for new cam?
  34. VE Calculator
  35. HPTuners
  36. Tuning in circles... SD & IFR
  37. Looking for a tune
  38. anyone tune timing after 160 thermostat
  39. LS2 coils much better!
  40. Deteriorating Idle on 2004 A4 GTO; requesting help from experts...
  41. COT Question
  42. HP Tuners and XP Service Pack 2
  43. If I want to do a tune WITH the MAF, should I unplug it and speed density tune 1st??
  44. what should i chaneg on my tune now?
  45. What's all the hype over HP tuner?
  46. Speed density user guide
  47. Lm1 users need help!
  48. Ed Wright Tune and HP Tuner
  49. can someone please help me???
  50. Need Tunning Help Asap!!
  51. PCM #P0306 & 0356 Coil Trouble?
  52. HP Tuner customer issue
  53. My comp wont put out a reading
  54. Slp Maf..
  55. Can i use a 2 step??
  56. LS1 EDIT & HP TUNERS
  57. Temprature sensor on Air Box..
  58. High idle
  59. Adding transgo + SS3800 + 3.90s: tuning question..
  60. BCM/APM (little black boxes) questions
  61. Atap questions
  62. MAFT settings
  63. Knock sensors flooded w/ H20
  64. Problem !! Help needed
  65. Granatelli MAF screwing me up a little? if so, will LS1edit dyno tune definitely fix?
  66. Stroker Motor ?
  67. stock tuning tables
  68. How to get rid of abs light after 9" install
  69. MAF Wiring Schematic
  70. Accel Gen 7 and MAF-less
  71. 2002 PCM in 99 harness will it work?
  72. Can anyone reflash a PCM?
  73. Idle tuning... sound related
  74. Best soldering iron?
  75. Need some help with a code
  76. Some new HP Tuners EnhancedIO (1.5) screenshots *LARGE PICS*
  77. my 2001 camaro won't start
  78. hi idle/tcs inop/no codes= tcs prob?? NEED HELP
  79. Meaning of Upshift Torque Reduction?
  80. battery lost tunning
  81. Check out my !MAF mod
  82. Programmers
  83. Timing drops to Zero on decel?
  84. Killed PCM! Will edit work with reflashed pcm
  85. Need to lower desired IAC counts...
  86. Confused after reading VE sticky
  87. download a custom tune to a predator from a pc
  88. no power at ALDL connector, any suggestions?
  89. Diablosport Programmer Quick Question
  90. swapping pcm's ???
  91. Excellent tuning info inside...
  92. Where is the Headlight sensor on a 1999 Maro?
  93. Got a good deal on a DiabloSport Predator
  94. Should I get a tune....
  95. How to get a big cam to idle in speed density???
  96. looking for a tuner in il
  97. Car hesitating and stumbling don't know why???
  98. Tuning Spread Sheets
  99. KR when pulling 2000-6200 rpm in 2nd gear, only
  100. Shop & Tuner in CT or near Springfield, MA?
  101. No closed loop at WOT and low eng load
  102. tuner cat?
  103. Diablo tunes
  104. knock sensor code questions.
  105. Is Anyone logging with PLXDevices M-500
  106. Tuning without the o2 sensors
  107. MAF vs. SD tunes, pros and cons.
  108. 75 lb injector tuning ?
  109. running 89ish octane on a 93 octane program?
  110. LM-1 O2 sensor lasting 2 months ! WTF???
  111. predator tuning.car is rich
  112. MAF calibration Vs. Year ???
  113. Idle Airflow: Why is it such a pain... (already searched and tested stuff...)
  114. What determines the L-Trims?
  115. EFI VEpcm and ls1edit map vs rpm table
  116. Hego sensor?
  117. SES light flashing...WTF???
  118. LS1 Edit file...
  119. What is best method to find vacuum leaks?
  120. p0101 Maf performance code after heads install
  121. Is The Maf Translator Any Good? Is It Easy To Use?
  122. Running MAF'less..
  123. Understand how MAF works - DON'T DE-SCREEN IT!!
  124. What changes for larger injectors?
  125. BULLSH** codes....po410 and p0300
  126. HP Tuners/LS1 Edit Problem/Question
  127. Dyno tune
  128. WTF this is driving me banannas
  129. Car misfire P0300, NEED HELP! PLEASE!
  130. F.A.S.T. question
  131. P0102 !?!?
  132. p0327 and p0332
  133. CA Emissions, What Are People Doing?
  134. DFI7 or FAST?
  135. How to tune high load points on VE table???
  136. help with OBD-II code P1415
  137. PCM exchangeability?
  138. Hit 12.5 A/F on the dyno but o2's read 820 on the street. Normal?
  139. how to read oil pressure
  140. 230/238 cam tune help
  141. 2002 Z06 VE table
  142. is it possible that my tps voltage is low, causing my trans not to downshift at WOT?
  143. When is cam sensor triggered?
  144. Installed h/c, idles but tries to stall when I let off the throttle.
  145. HPTuners Need some insight
  146. MAFLESS...perhaps this will open new doors in intakes?
  147. tps voltage at WOT, what should the voltage be?
  148. Does anyone have ls1edit v1.3 or v1.4
  149. Tuning timing
  150. Need help. Falling on its face.
  151. how to connect efilive to other GM vehicle
  152. AFR question mine is not right.
  153. Knock sensor short circuit?
  154. LS1 Edit
  155. Question on the PE/RPM table and A/F results from Dyno
  156. 98 maf same as 99 and up?
  157. Afr - Help
  158. New Predator software
  159. Which one is better?
  160. MAF Table Scaling
  161. Bank 1 LTFTs go positive after I let off
  162. Poll: Have you switched tuners?
  163. SES light, P0102??
  164. Accel Gen 7 Users HELP..MST Sensor?
  165. Changing Gage Cluster help
  166. can I put 2001 pcm in a 1999?
  167. HP Tuners and LS1 Edit Comparison?
  168. Help....Fuses
  169. wont respond to mods
  170. knock sensor different types
  171. HELP - Predator & Dyno Tune together?
  172. Need help diagnosing odd problem with LS1
  173. Frustrating dyno day, need some help
  174. USB to serial Connector?
  175. fuel setting on hypertech
  176. Problems with knock sensors, PLEASE HELP!
  177. Need Help FLP wont shift to 3rd at WOT (Racing Tomorrow)
  178. Shot in the dark...
  179. Need Help!!
  180. Just installed h/c and 30lb injectors, need startup advice...
  181. TH400 tuning help
  182. IFR Table for 42# SVO Injectors?
  183. Air fuel reading needed.
  184. Please Sanity check my HPTune
  185. VE Tablel Correlations - to LTFT Correction
  186. Does anyone know a place in South Florida wheres they tune C5s or F-bodies?
  187. tach install
  188. What PCM's are compatible with my Tahoe?
  189. MAF tuning question after pivot table analysis
  190. help with hypertech ...
  191. Ls1 Edit and HPP3 Possible?
  192. Best Programmer?
  193. So where is the OPTIMIZE Button ?
  194. Great Setup For Tuning At Home?
  195. Changing pulley sizes
  196. WTF...HPtuners site down???
  197. Review my LTFT and advise
  198. When tuning off the MAF...
  199. 02 pcm in 99 Truck
  200. Oil pressure reading 129 lbs.
  201. Tuning Websites
  202. I need a Hand.
  203. predator tuning with cam
  204. any way to turn off adaptive learning?
  205. o2 help
  206. How do I get a sample of higher MAF frequency?? (what kind of driving sample)
  207. Carputing
  208. Need to get a tune ?
  209. URGENT!!Need Help!!
  210. How do you figure out your (Closed Loop...)
  211. Service Vehicle light?
  212. How to get false knock
  213. Low timing, but seeing no KR?
  214. Need tuning
  215. Anyone have the IFR table
  216. Trouble code P1416
  217. Swaping LS1 and LS6 MAP sensors???
  218. Help!!!
  219. Open loop/ SD tune is killing me
  220. maybe you guys can help.
  221. Fastech
  222. Manual fan switch problems
  223. P 0160 what does this code mean?
  224. Diagnosis of Engine Codes in MO
  225. Having some MAF problems (I think)
  226. HPP3 causing gear problems?
  227. Too much gas.. fumes killing me.. Edit Question
  228. Help! PCM is not getting power!
  229. Switching from 30lb to 42lb injectors?
  230. I hope this is the right place for this thread p1404 HELP.
  231. drive cycle...
  232. Need help with predator tune stuff after headers:
  233. No open loop at WOT
  234. 0420 code
  235. Ca. Smog trouble.
  236. Help tuning M6 car with 224 cam
  237. Strange symptoms
  238. LS6 Tach Signal
  239. help, what is crank relearn and how to do it?? misfire code and cant fig. out why!!
  240. anyone have a bin for 98 w/ 4.10's in an auto?
  241. hesitation after new fuel filter
  242. My car has never been Autotap'd, having someone do it, what do I look for?
  243. Tuning basics
  244. Compatability Q: HP Tuners & Westers
  245. Unplugged the MAF and did some logging
  246. Has anyone ever been to REV EXTREME?
  247. Need a spare PCM, due to ED WRIGHT lockout!!!!
  248. Does HPP3 clear codes
  249. Is the Chip hurint my performance?
  250. Is the Chip hurting performance?