View Full Version : PCM Diagnostics & Tuning



  1. Understand how MAF works - DON'T DE-SCREEN IT!!
  2. What changes for larger injectors?
  3. BULLSH** codes....po410 and p0300
  4. HP Tuners/LS1 Edit Problem/Question
  5. Dyno tune
  6. WTF this is driving me banannas
  7. Car misfire P0300, NEED HELP! PLEASE!
  8. F.A.S.T. question
  9. P0102 !?!?
  10. p0327 and p0332
  11. CA Emissions, What Are People Doing?
  12. DFI7 or FAST?
  13. How to tune high load points on VE table???
  14. help with OBD-II code P1415
  15. PCM exchangeability?
  16. Hit 12.5 A/F on the dyno but o2's read 820 on the street. Normal?
  17. how to read oil pressure
  18. 230/238 cam tune help
  19. 2002 Z06 VE table
  20. is it possible that my tps voltage is low, causing my trans not to downshift at WOT?
  21. When is cam sensor triggered?
  22. Installed h/c, idles but tries to stall when I let off the throttle.
  23. HPTuners Need some insight
  24. MAFLESS...perhaps this will open new doors in intakes?
  25. tps voltage at WOT, what should the voltage be?
  26. Does anyone have ls1edit v1.3 or v1.4
  27. Tuning timing
  28. Need help. Falling on its face.
  29. how to connect efilive to other GM vehicle
  30. AFR question mine is not right.
  31. Knock sensor short circuit?
  32. LS1 Edit
  33. Question on the PE/RPM table and A/F results from Dyno
  34. 98 maf same as 99 and up?
  35. Afr - Help
  36. New Predator software
  37. Which one is better?
  38. MAF Table Scaling
  39. Bank 1 LTFTs go positive after I let off
  40. Poll: Have you switched tuners?
  41. SES light, P0102??
  42. Accel Gen 7 Users HELP..MST Sensor?
  43. Changing Gage Cluster help
  44. can I put 2001 pcm in a 1999?
  45. HP Tuners and LS1 Edit Comparison?
  46. Help....Fuses
  47. wont respond to mods
  48. knock sensor different types
  49. HELP - Predator & Dyno Tune together?
  50. Need help diagnosing odd problem with LS1
  51. Frustrating dyno day, need some help
  52. USB to serial Connector?
  53. fuel setting on hypertech
  54. Problems with knock sensors, PLEASE HELP!
  55. Need Help FLP wont shift to 3rd at WOT (Racing Tomorrow)
  56. Shot in the dark...
  57. Need Help!!
  58. Just installed h/c and 30lb injectors, need startup advice...
  59. TH400 tuning help
  60. IFR Table for 42# SVO Injectors?
  61. Air fuel reading needed.
  62. Please Sanity check my HPTune
  63. VE Tablel Correlations - to LTFT Correction
  64. Does anyone know a place in South Florida wheres they tune C5s or F-bodies?
  65. tach install
  66. What PCM's are compatible with my Tahoe?
  67. MAF tuning question after pivot table analysis
  68. help with hypertech ...
  69. Ls1 Edit and HPP3 Possible?
  70. Best Programmer?
  71. So where is the OPTIMIZE Button ?
  72. Great Setup For Tuning At Home?
  73. Changing pulley sizes
  74. WTF...HPtuners site down???
  75. Review my LTFT and advise
  76. When tuning off the MAF...
  77. 02 pcm in 99 Truck
  78. Oil pressure reading 129 lbs.
  79. Tuning Websites
  80. I need a Hand.
  81. predator tuning with cam
  82. any way to turn off adaptive learning?
  83. o2 help
  84. How do I get a sample of higher MAF frequency?? (what kind of driving sample)
  85. Carputing
  86. Need to get a tune ?
  87. URGENT!!Need Help!!
  88. How do you figure out your (Closed Loop...)
  89. Service Vehicle light?
  90. How to get false knock
  91. Low timing, but seeing no KR?
  92. Need tuning
  93. Anyone have the IFR table
  94. Trouble code P1416
  95. Swaping LS1 and LS6 MAP sensors???
  96. Help!!!
  97. Open loop/ SD tune is killing me
  98. maybe you guys can help.
  99. Fastech
  100. Manual fan switch problems
  101. P 0160 what does this code mean?
  102. Diagnosis of Engine Codes in MO
  103. Having some MAF problems (I think)
  104. HPP3 causing gear problems?
  105. Too much gas.. fumes killing me.. Edit Question
  106. Help! PCM is not getting power!
  107. Switching from 30lb to 42lb injectors?
  108. I hope this is the right place for this thread p1404 HELP.
  109. drive cycle...
  110. Need help with predator tune stuff after headers:
  111. No open loop at WOT
  112. 0420 code
  113. Ca. Smog trouble.
  114. Help tuning M6 car with 224 cam
  115. Strange symptoms
  116. LS6 Tach Signal
  117. help, what is crank relearn and how to do it?? misfire code and cant fig. out why!!
  118. anyone have a bin for 98 w/ 4.10's in an auto?
  119. hesitation after new fuel filter
  120. My car has never been Autotap'd, having someone do it, what do I look for?
  121. Tuning basics
  122. Compatability Q: HP Tuners & Westers
  123. Unplugged the MAF and did some logging
  124. Has anyone ever been to REV EXTREME?
  125. Need a spare PCM, due to ED WRIGHT lockout!!!!
  126. Does HPP3 clear codes
  127. Is the Chip hurint my performance?
  128. Is the Chip hurting performance?
  129. check engine lights abs gone and low fluid?
  130. Smog issues....pain in the ass....HELP
  131. SES light burned out.
  132. 4l60e shifting
  133. bad try
  134. wideband tuning - AFR
  135. Differences in tune for 5.3L and 6.0L?
  136. 98 ls1 oil pressure sensor pin outs?
  137. Camaro speed limiter removal.
  138. MAF Replacement Tube for SD Tuning
  139. Service engine soon trouble
  140. Man I love this site
  141. LS1 won't let me overwrite
  142. VE tuning. I've got a problem
  143. Had car tuned, now idle problem.
  144. Non MAF-less Tuning
  145. car is sputtering and back firing. PLEASE HELP.
  146. What does a CPS sensor problem act like?
  147. Are there mail order tunes for hp tuners?
  148. Drivability tuning w/383
  149. LM-1 Wideband Group Purchase
  150. Tuning to show readiness?
  151. Mustanger helping an LS1 owner
  152. SES Code
  153. Can my BIN have KR changed and allow me to use full VE table?
  154. Bonneville SSEi problems
  155. LM1 & RPM Converter - Hook up?
  156. map sensor
  157. MAF and VE questions.
  158. Weird Starting Problem
  159. What problems can happen without throwing SES?
  160. IFR Graph - diagonal, straight or sloping down
  161. Help!!!!
  162. Help with AFR
  163. maf translator Q plz
  164. ? bout the new edelbrock manifold
  165. Tuning and outside Temp
  166. misfire in cylinders 3 5 and 7
  167. I am not at home but is there anyway to disable (PE/WOT)
  168. SES light won't go off!
  169. exhaust smells = tuning issue ???
  170. NY area hp tuners software
  171. iac counts
  172. PO443 Code??? Anyone Know
  173. 1-2 shift hits limiter. HP tuner help needed
  174. Speed Density tune in and working...
  175. I saw a new Granitelli tuner for the A/F mixture?
  176. How do you control mid-range air/fuel ratio?
  177. Crane PowerMax LS1 Performance Power Tuner
  178. High Spark Table Question?????
  179. Ve table question
  180. Need help tuning for 90mm TPIS...
  181. Need a quick bit of input --->
  182. Bank 1 LTRIMS at +25?
  183. Recommendations
  184. Good deal on Predator?
  185. Question w/Predator and shifting?
  186. Need instrument cluster when swapping to tune?
  187. new to tuning
  188. how to fix bucking
  189. Need someone with autotap
  190. need help richening my afr
  191. PE Table
  192. Leaning out my A/F ratio with Edit?
  193. No live mapping?
  194. HYPERTECH Sucks right?
  195. Predator newbie, need help with my first tune>>
  196. Help Me Out Here
  197. failed emmissions, HC's too high
  198. Understanding Injector Pulse Width...
  199. How do I get Rid of this Stupid low Oil Light?
  200. HP Tuners please look @ this problem
  201. TPS Voltage at Idle
  202. Predator reset?
  203. normal misfire on 2 and 3 cylinder after new engine install
  204. Dyno Tune AFTER Predator Custom Tune?
  205. Wester's, Nelson's, etc...
  206. could my car actually be slower?
  207. Car stumbled and guages zeroed when driving???
  208. Ok guys, Need help with MAF
  209. illinois
  210. First drive with LS1 Adjustment and LS1 Edit Scanner
  211. 13.8 AF @WOT way too hot Adjust with Predator?
  212. Timing Tuner Questions
  213. headlights pop up when doors lock/unlock
  214. Expert opinion required...
  215. Problem Help!
  216. Paging NoGo for A Tune!
  217. Risk of Removing Codes P1133/1153 With Edit
  218. Safe, effective way to raise the idle?
  219. Can I tune WOT with O2s
  220. missin driving me wild!!
  221. missfire driving me nuts!
  222. Ls1 Maf
  223. WOT AFR is bouncing between two levels??
  224. Step by step SD tuning?????????
  225. Does IAC effect WOT?
  226. Best Tuner for 98s
  227. KR problem
  228. hypertech
  229. E-Tune Is Gone?
  230. what the heck are these codes!
  231. wideband o2
  232. Dyno tuner in Oklahoma?
  233. Converter locking causing car to shake!
  234. High idle problem....Suggestions??
  235. dfw tunners
  236. HPtuner help needed in NH.
  237. looking for someone.help!
  238. got ls1 edit programmer installed today and still doesn't have 2nd downshift at wot
  239. What tuning required for FAST 90mm?
  240. MAP sensor- Lets talk about it...........
  241. Anything wrong with using Boch O2 sensors
  242. New to hp tuners help!
  243. Idle Hiccup
  244. AutoEnginuity Software
  245. Best practices for open loop (with MAF) tuning
  246. A4 inconsistent shift rpm ls1edit
  247. Is Auto Tap Usefull?
  248. help me out with upping the line pressure...
  249. I have a HP Tuner question about Cruise control effect
  250. wow, got a dyno pull today...wtf to do with this mess?