View Full Version : PCM Diagnostics & Tuning



  1. Vin change
  2. Optimizing A/F & Spark for WOT 404 hci?
  3. Is it possible to change the "working" range of a sensor in the ecu?
  4. IAT Sensor
  5. Holley HP EFI Guys
  6. Flashing check engine light after egr delete
  7. Car stumble from a dig
  8. ECM Problem or Something else with LQ4 Swap?
  9. 100mm Maf screens?
  10. 5.3 with 4.8 PCM
  11. Please view datalog
  12. Cold Start Idle Issue
  13. Jeremy Formato of Fasterproms Tuning and Porting in Orlando August 7th
  14. HP Tuners - C7 Corvette tuning support available NOW!
  15. c5 pcm a/c and tach questions
  16. P0340 now..???
  17. 02 help
  18. need help
  19. Coil Pack Problems
  20. Forged 408 LTFT help?
  21. 5.3 swap... Got some fuel trim/O2 sensor issues...
  22. Modified LS1 Won't Idle
  23. HP Tuners says its not Licensed yet it is....
  24. HP Tuners reverting a Speed Density Tune with a new Account
  25. Tune help dies in Drive only.
  26. Strange car activity -- LPE 58x - 24x converter
  27. P0101 and no CEL?
  28. Idle tuning and exhaust leak
  29. Trying to get IAC counts back at hot idle
  30. O2 sensor reading for bank 2 stuck in very narrow range
  31. How do I use tow/haul mode on my swap
  32. Jeremy Formato of Fasterproms Tuning and Porting in Gainesville August 6th
  33. Revs rise when drive engaged
  34. Is my car already tuned?
  35. HP Tuners First to Market with 2014 C7 Support released!
  36. PCM communication problem
  37. Ses p1153 ? Help
  38. 98 to a 99 PCM... fuel gauge not working.
  39. Turbo 5.3 with MAF tune...AFR changes with weather! WHY?
  40. knock sensor low voltage code cause timing to be pulled?
  41. After tuning gas pedal works on and off!
  42. Mega squirt? Opinions
  43. 5.7 LS1 finished Tune...Runs...Now a headache
  44. Tune for stock f body ls1 with ProCharger?
  45. gmpp ls376/480 into 2008 silverado tuning
  46. e38 ecm questions
  47. C0181 - Throttle reduction motor circuit malfuntion: Car bucks 2K RPMs
  48. P1626 with vats bypass
  49. ls1 Predator Diablo Sport Tuner
  50. SES light but no DTC's after M6-A4 swap
  51. 0411 PCM --Cam Sensor---1x or 2x or 4x???
  52. P0103 MAF Help!
  53. 98 pcm to 99+ re-pin process
  54. Haltech Platinum Sport GM
  55. Force motor
  56. Knock sensors new still not working with code
  57. First to Market: 2014 GM Gas truck tunes!
  58. Reputable SD Tuners in the Southeast for FI?
  59. 5.3L swap, where can I send my harness out?
  60. Smoothing or Interpolating
  61. Difference between commanded and actual TP at idle.
  62. How can you determine how much spark with turbo tune
  63. PLX wideband shows LEAN then works off and on
  64. any ideas of why im running rich?
  65. trans slips and the trans is fine, help
  66. Is it running lean or not
  67. 0411 "Fan 3 option" for a trans cooler fan??
  68. autometer guages
  69. Lean on launch
  70. can innovate lm2 work with hp tuners non pro interface?
  71. Suggestions for tuning a '97 Vette
  72. Need Help Trouble Shooting
  73. WBO2 Install Questions
  74. Fuel segment swap
  75. 2 step function with BS3 and a T56?????
  76. v6 0411 to v8. what needs be done?
  77. Wants to die with sudden closed throttle
  78. why didnt it pull timing?
  79. Problem, maf no signal out of no where? (FIXED!)
  80. Reduced engine power nightmare
  81. 04 envoy 6.0 lq4 swap
  82. Diagnostic Help needed. What could be the problem.....
  83. MAP Rating
  84. The Tuning School
  85. chassis dynoes in Kansas (or close)
  86. PCM And BCM Question
  87. Frustrated plz help!!!
  88. P1336 Crankshaft Position Sensor Relearn
  89. SLP TCS module necessary with HPT Pro?
  90. M6 fuse harness with A4 engine harness?
  91. How much did GM spend tuning LS1 GTOs?
  92. still having a misfire issue
  93. Rev limiter at 5200. Why? Can someone check my tune?
  94. calibrating AFR
  95. Open Loop EQ Ratio
  96. TH400 Speedo not right w/ HP Tuners....help
  97. converter tuning assistance
  98. gen IV lsx- need to split fuel level signal....impossible??
  99. Safe HPT Pro tuning options without a wideband installed?
  100. having to pull 6+ degrees of timing with ls6 intake and longtubes (2000)
  101. Bs3 tuning in lower Alabama
  102. lm-1 programming issues......no cable
  103. Lingenfelter 2-step install - Car Won't Start
  104. Factory PCM w/Software vs Dominator EFI
  105. Superchips Flashpaq good or bad?
  106. Idle Issues - Tune and scan inside
  107. Running HP Tuners in Parallels?
  108. LS1 hesitation at launch, need scanned / tune tweaked?
  109. Question-Closed Loop Proportional Idle-Tables
  110. Open Loop EQ Ratio change
  111. 02 LS1 Bogging issue
  112. HP Tuners Installation Problem
  113. PCM to ECM upgrade
  114. $50 To help solve this problem
  115. Startup issue
  116. e38 Bricked.. kinda..
  117. Auto & M6 use same PCM?
  118. western mass/ north of Hartford lsx tuning?
  119. Lean stumble during accel
  120. 2 diff ECUs for 2 differnt tunes?
  121. Will it run on base tune?
  122. Need help!!!
  123. Could it be my map
  124. Turbo 2bar....please take the time to look!
  125. 03 silverado tune
  126. car runs bad in the rain. need help please
  127. New OBD1 LT1 Tuner in DFW!!!
  128. Need help finding a tuner
  129. maf tuning help- Im stumped
  130. Ls4 & 0411
  131. Strange idle
  132. Any way to shorten a log file ?
  133. Is anyone succesfully running LS2/3 knock sensors w/ an LS1 pcm?
  134. GMPP engine no start issues
  135. Fast pcm?
  136. IAT in maf? tsp 100mm?
  137. Car running poorly, P0106
  138. PCM reflash
  139. do you need the hptunerpro to datalog
  140. Anyone familiar with GMLAN
  141. take a look at my tune?
  142. Russ-k cfg help
  143. is this pinging/tune related?
  144. Diablosport hand held tuner - unlocked?
  145. c5z idle issue
  146. MAF tuning vs SD
  147. Selling HP tuner Pro Cable and Innovate Wideband LM1
  148. somethign to monitor sensors?
  149. pinging? under heavy load- tune related? help!
  150. problem spark advance rpm tuning
  151. 4L80e swap, what way saves creidits??
  152. Audi RS6+383TT - Need HPTuners 3bar SD guru input.
  153. Will someone look at my HP tune?
  154. Alternator Voltage
  155. confused commanding 11.7 getting like 14.1
  156. 6L80 T43 Operating System Question
  157. PO300 help
  158. MAP issues?
  159. Any good reputable tuners in sc
  160. P0200 Fix
  161. Please read about hp programs
  162. 2006/2007 V8 Truck M/T file?
  163. HPT will not log STFT and LTFT
  164. file at idle. can somebody take a look?
  165. How to upload files
  166. PCM can't communicate with scanner
  167. Rev limiter adjust?
  168. TCC problems
  169. HP tuners pro and wideband
  170. HP Tuners 2.24 changing unit display
  171. please help. switching fro 2bar map sd back to stock
  172. n/a IAT Temp question???
  173. Is it misfiring?
  174. 1x cam gear in 58x motor.. what to do?
  175. Vss tuning for th350 speedo conversion.. Help needed
  176. MS vs. stock PC vs. Aftermarket enging management
  177. G8 Engine Issues
  178. Big Thanks to SLOWHAWK and TEA!!!
  179. someone want to explain this one to me? swap will not run unless CEL light is ON
  180. HP tuners not reading real time.
  181. turbo lt1 24x conversion breaking up. how much timming should i be pulling? and inhg
  182. Rough idle/power delivery
  183. anyone have an idea what controls the speedometer in a 05 gto?
  184. My MRC (magnetic ride control) project is hitting a snag
  185. 6L80 T43 Scaning Question
  186. Anyone using a Tablet to Log and Tune
  187. Odd looking logs, efi live... need help
  188. 1993 GMC S truck with 04 GTO has codes,need ideas
  189. Dynotune problem torquer v2 cam
  190. Please Help_$450 a fair price for used HP Tuner Pro w/ No Credits?
  191. MAF off significantly - Stock 98 Camaro SS 6spd Tuning Tips/Advice
  192. looking for a tuner..turbo 05 gto
  193. O2 issues or something more?
  194. How to program single fan
  195. Ls1 misfire at 4500rpm on e85
  196. Nick Williams 102 T/B question
  197. p0327 code
  198. 77 chevy truck 4x4 with 5.3l ls engine
  199. E38 Vin# Question
  200. Quick EFI Live question
  201. obd II port no communication, tested port ideas ? can't get through emissions !
  202. need help with hptuner
  203. LS swap emission question. Will I pass with LS computer? 96LT
  204. need help finding tuner in michigan please!
  205. PCM questions
  206. Commanded afr pid HELP
  207. major electrical problems please help
  208. TCC duty cycle
  209. 2000 pontiac firebird Wont run missing, electrical issue?
  210. nick williams TB mod
  211. Code U0100 Question
  212. Tune, Retune, and Tune again. Best options
  213. E38 vs E67
  214. Runs only with scanner plugged in
  215. Crankshaft position sensor replacement
  216. Air/ rear o2 delete
  217. SD Question
  218. SES codes p0131, p0151, p0300
  219. microsquirt help/advice
  220. Trans Am ls1 m6 tune help
  221. L92 Speed Density Tune?
  222. Need older version hp tuners
  223. Annoying-ass P0300
  224. gauges down after tune
  225. Off idle stumble in cammed ls1 t56
  226. Tuning low RPM's
  227. HP Tuners E92 pcm support added!
  228. Failed to install HP tuners
  229. 2014 Silverado E92 ECM
  230. Anybody know where I can get a stock ecu for 06 TBSS?
  231. 4l60e Upshift Problem
  232. I'm not sure what happen
  233. flex fuel injector confusion
  234. TUNE near south east Michigan
  235. Tourqe Management
  236. How to add a 4l80E to my tune??
  237. o2 or map
  238. best way to go about updating pcm for gear ratio change?
  239. Info on truck Maf
  240. types of scan gauges other then Aeroforce Interceptor
  241. Po237 po332
  242. p0343 cam postion issues
  243. Stops after 3 sec
  244. "Normalish" knock sensor voltage readings?
  245. Tech 2 (II) EQ_Ratio
  246. efi live help tcc lockup
  247. Camaro LS1 Import Diagnostics Help
  248. P0172 & P0175 07 Silverado 5.3L
  249. AEM Wideband to HPtuners
  250. Please help, LS1 is popping out the exhaust in closed loop.