View Full Version : PCM Diagnostics & Tuning



  1. How big a cam before going open loop idle?
  2. New!
  3. Can someone confirm
  4. Car won't run after O2 sensor change & code reset
  5. Help with tune, car lean :/
  6. Can I switch from a TH400 to a 4L60e without having to retune
  7. Swap runs rough when hot..HELP!!
  8. Tuning the warm start with ac/defrost on...
  9. Rpm hang/overshoot when downshifting and coming to a stop
  10. can someone take a look at these quick logs?
  11. Head & Cam Swap Break-In
  12. hp tuners or efi live?
  13. LS Stroker EFI
  14. vcm scan in GA
  15. Max torq settings
  16. 98 z28 random multiple misfire
  17. Traction control??
  18. Anyone of the MegaSquirt guys familiar with EFI Source's set up?
  19. Multiple Random Missfire
  20. Need help flashing a PCM back to stock
  21. Adjustment to tune for WOT
  22. Scanner disconnect?
  23. Going back stock...what do I do about tune?
  24. End of injection timimg and VE tuning
  25. Bluecat
  26. No o2 sensors hooked up but no code??
  27. EFI Live base tune
  28. Car goes rich on decel w/ 60lb injectors.
  29. should i go SD?
  30. Jeremy Formato of Fasterproms Tuning and Porting in Gettysburg, PA August 21- 27
  31. Multiple DTCs, please help!
  32. Need help With Jet Programmable P.C.M.?!?!
  33. Can hp tuners adjust this?
  34. Motor wants to die when I let off throttle
  35. Does anyone repin PCM's?
  36. guy's need help for a friend p0410 code
  37. HP Tuners how to subtract??
  38. Help! Car won't start unusual compared to others
  39. Retune needed for octane change?
  40. PO-102 out of the blue..
  41. Anyone with HP tuners that can look at a scan?
  42. Intermittent Exhaust Pop
  43. Can I use a 2002 silverado computer in my 2002 z28?
  44. 2001 5.3 Turbo Camaro HELP
  45. Rough idea for max timing for 6.0?
  46. flex fuel tunning?
  47. What have I got?? And.....
  48. Tuner in East Texas
  49. Intermittent electrical problem
  50. Power issues
  51. Engine Management Lq9 into 03 S10
  52. Hptuners speedo adjusting.
  53. Mail Order tune headaches
  54. 2003 Z06 Oil Level PCM pins or pinnout diagram?
  55. Help
  56. No one can tune this truck
  57. lq9 408 low rpm misfire help
  58. Ms2 or stock computer for stand alone nova.
  59. Stalls when put in drive
  60. Mail Order Tune Or Dyno Tune
  61. Random timing jumps at idle?
  62. going nutz please help. have little time.
  63. Good Dyno Tuner
  64. Need Tuning Today!
  65. what to adj. 98 to 99+ fuel tables to get fuel gauge to read correctly?
  66. Service vechicle light used Searched...
  67. Complete newbie, added 2psi, thoughts, pointers, tips...
  68. Hypertech power programmer
  69. Pulling my Hair out, Turbo Trans Am
  70. 02 sensor.....slow response.....question..??????
  71. SD dyno tuner somewhat near SW MI? (lt1)
  72. Sluggish CTS-V
  73. Lq4 dies when given gas
  74. Remote reductor wheel
  75. SES light 420 code bank one cat issue
  76. 2014 Camaro SS support, Now available!
  77. PLEASE help me out!! P0101
  78. surges just above idle
  79. HPT changing gear ratio
  80. Can Someone Please Help Me Figure Out This Freeze Frame DATA
  81. High idle that fluctuates when moving
  82. 4L80E compatibility with stock LS computer
  83. TCM delete, TH400 swap in C6
  84. hptuners 1st full throttle try
  85. RPMs drop below idle after throttle
  86. MAF sensor problem ! Help please
  87. Flex fuel F-body?
  88. Buying HPTuners What Wide Band O2 Should I Get?
  89. LS376/480 Fuel Pump Inop ????
  90. aem uego signal to hp tuner issue
  91. Does anyone have to pay to get their PCMs unlocked?
  92. hard start after flashing tune
  93. quick question on a SD tune vs. a MAF tune.
  94. Can Old Gas Cause A Knock Sensor Code
  95. Info for E85 tuning?
  96. Tuners!!! I have 2-step questions
  97. tuning for cam
  98. showing code P0101
  99. Tunning For Swapping A M6 to A4
  100. quick question on a SD tune vs. a MAF tune.
  101. LSX 427/Comp cam and codes P0068, p0101 and p0106
  102. Vin change
  103. Optimizing A/F & Spark for WOT 404 hci?
  104. Is it possible to change the "working" range of a sensor in the ecu?
  105. IAT Sensor
  106. Holley HP EFI Guys
  107. Flashing check engine light after egr delete
  108. Car stumble from a dig
  109. ECM Problem or Something else with LQ4 Swap?
  110. 100mm Maf screens?
  111. 5.3 with 4.8 PCM
  112. Please view datalog
  113. Cold Start Idle Issue
  114. Jeremy Formato of Fasterproms Tuning and Porting in Orlando August 7th
  115. HP Tuners - C7 Corvette tuning support available NOW!
  116. c5 pcm a/c and tach questions
  117. P0340 now..???
  118. 02 help
  119. need help
  120. Coil Pack Problems
  121. Forged 408 LTFT help?
  122. 5.3 swap... Got some fuel trim/O2 sensor issues...
  123. Modified LS1 Won't Idle
  124. HP Tuners says its not Licensed yet it is....
  125. HP Tuners reverting a Speed Density Tune with a new Account
  126. Tune help dies in Drive only.
  127. Strange car activity -- LPE 58x - 24x converter
  128. P0101 and no CEL?
  129. Idle tuning and exhaust leak
  130. Trying to get IAC counts back at hot idle
  131. O2 sensor reading for bank 2 stuck in very narrow range
  132. How do I use tow/haul mode on my swap
  133. Jeremy Formato of Fasterproms Tuning and Porting in Gainesville August 6th
  134. Revs rise when drive engaged
  135. Is my car already tuned?
  136. HP Tuners First to Market with 2014 C7 Support released!
  137. PCM communication problem
  138. Ses p1153 ? Help
  139. 98 to a 99 PCM... fuel gauge not working.
  140. Turbo 5.3 with MAF tune...AFR changes with weather! WHY?
  141. knock sensor low voltage code cause timing to be pulled?
  142. After tuning gas pedal works on and off!
  143. Mega squirt? Opinions
  144. 5.7 LS1 finished Tune...Runs...Now a headache
  145. Tune for stock f body ls1 with ProCharger?
  146. gmpp ls376/480 into 2008 silverado tuning
  147. e38 ecm questions
  148. C0181 - Throttle reduction motor circuit malfuntion: Car bucks 2K RPMs
  149. P1626 with vats bypass
  150. ls1 Predator Diablo Sport Tuner
  151. SES light but no DTC's after M6-A4 swap
  152. 0411 PCM --Cam Sensor---1x or 2x or 4x???
  153. P0103 MAF Help!
  154. 98 pcm to 99+ re-pin process
  155. Haltech Platinum Sport GM
  156. Force motor
  157. Knock sensors new still not working with code
  158. First to Market: 2014 GM Gas truck tunes!
  159. Reputable SD Tuners in the Southeast for FI?
  160. 5.3L swap, where can I send my harness out?
  161. Smoothing or Interpolating
  162. Difference between commanded and actual TP at idle.
  163. How can you determine how much spark with turbo tune
  164. PLX wideband shows LEAN then works off and on
  165. any ideas of why im running rich?
  166. trans slips and the trans is fine, help
  167. Is it running lean or not
  168. 0411 "Fan 3 option" for a trans cooler fan??
  169. autometer guages
  170. Lean on launch
  171. can innovate lm2 work with hp tuners non pro interface?
  172. Suggestions for tuning a '97 Vette
  173. Need Help Trouble Shooting
  174. WBO2 Install Questions
  175. Fuel segment swap
  176. 2 step function with BS3 and a T56?????
  177. v6 0411 to v8. what needs be done?
  178. Wants to die with sudden closed throttle
  179. why didnt it pull timing?
  180. Problem, maf no signal out of no where? (FIXED!)
  181. Reduced engine power nightmare
  182. 04 envoy 6.0 lq4 swap
  183. Diagnostic Help needed. What could be the problem.....
  184. MAP Rating
  185. The Tuning School
  186. chassis dynoes in Kansas (or close)
  187. PCM And BCM Question
  188. Frustrated plz help!!!
  189. P1336 Crankshaft Position Sensor Relearn
  190. SLP TCS module necessary with HPT Pro?
  191. M6 fuse harness with A4 engine harness?
  192. How much did GM spend tuning LS1 GTOs?
  193. still having a misfire issue
  194. Rev limiter at 5200. Why? Can someone check my tune?
  195. calibrating AFR
  196. Open Loop EQ Ratio
  197. TH400 Speedo not right w/ HP Tuners....help
  198. converter tuning assistance
  199. gen IV lsx- need to split fuel level signal....impossible??
  200. Safe HPT Pro tuning options without a wideband installed?
  201. having to pull 6+ degrees of timing with ls6 intake and longtubes (2000)
  202. Bs3 tuning in lower Alabama
  203. lm-1 programming issues......no cable
  204. Lingenfelter 2-step install - Car Won't Start
  205. Factory PCM w/Software vs Dominator EFI
  206. Superchips Flashpaq good or bad?
  207. Idle Issues - Tune and scan inside
  208. Running HP Tuners in Parallels?
  209. LS1 hesitation at launch, need scanned / tune tweaked?
  210. Question-Closed Loop Proportional Idle-Tables
  211. Open Loop EQ Ratio change
  212. 02 LS1 Bogging issue
  213. HP Tuners Installation Problem
  214. PCM to ECM upgrade
  215. $50 To help solve this problem
  216. Startup issue
  217. e38 Bricked.. kinda..
  218. Auto & M6 use same PCM?
  219. western mass/ north of Hartford lsx tuning?
  220. Lean stumble during accel
  221. 2 diff ECUs for 2 differnt tunes?
  222. Will it run on base tune?
  223. Need help!!!
  224. Could it be my map
  225. Turbo 2bar....please take the time to look!
  226. 03 silverado tune
  227. car runs bad in the rain. need help please
  228. New OBD1 LT1 Tuner in DFW!!!
  229. Need help finding a tuner
  230. maf tuning help- Im stumped
  231. Ls4 & 0411
  232. Strange idle
  233. Any way to shorten a log file ?
  234. Is anyone succesfully running LS2/3 knock sensors w/ an LS1 pcm?
  235. GMPP engine no start issues
  236. Fast pcm?
  237. IAT in maf? tsp 100mm?
  238. Car running poorly, P0106
  239. PCM reflash
  240. do you need the hptunerpro to datalog
  241. Anyone familiar with GMLAN
  242. take a look at my tune?
  243. Russ-k cfg help
  244. is this pinging/tune related?
  245. Diablosport hand held tuner - unlocked?
  246. c5z idle issue
  247. MAF tuning vs SD
  248. Selling HP tuner Pro Cable and Innovate Wideband LM1
  249. somethign to monitor sensors?
  250. pinging? under heavy load- tune related? help!