View Full Version : PCM Diagnostics & Tuning



  1. What have I got?? And.....
  2. Tuner in East Texas
  3. Intermittent electrical problem
  4. Power issues
  5. Engine Management Lq9 into 03 S10
  6. Hptuners speedo adjusting.
  7. Mail Order tune headaches
  8. 2003 Z06 Oil Level PCM pins or pinnout diagram?
  9. Help
  10. No one can tune this truck
  11. lq9 408 low rpm misfire help
  12. Ms2 or stock computer for stand alone nova.
  13. Stalls when put in drive
  14. Mail Order Tune Or Dyno Tune
  15. Random timing jumps at idle?
  16. going nutz please help. have little time.
  17. Good Dyno Tuner
  18. Need Tuning Today!
  19. what to adj. 98 to 99+ fuel tables to get fuel gauge to read correctly?
  20. Service vechicle light used Searched...
  21. Complete newbie, added 2psi, thoughts, pointers, tips...
  22. Hypertech power programmer
  23. Pulling my Hair out, Turbo Trans Am
  24. 02 sensor.....slow response.....question..??????
  25. SD dyno tuner somewhat near SW MI? (lt1)
  26. Sluggish CTS-V
  27. Lq4 dies when given gas
  28. Remote reductor wheel
  29. SES light 420 code bank one cat issue
  30. 2014 Camaro SS support, Now available!
  31. PLEASE help me out!! P0101
  32. surges just above idle
  33. HPT changing gear ratio
  34. Can Someone Please Help Me Figure Out This Freeze Frame DATA
  35. High idle that fluctuates when moving
  36. 4L80E compatibility with stock LS computer
  37. TCM delete, TH400 swap in C6
  38. hptuners 1st full throttle try
  39. RPMs drop below idle after throttle
  40. MAF sensor problem ! Help please
  41. Flex fuel F-body?
  42. Buying HPTuners What Wide Band O2 Should I Get?
  43. LS376/480 Fuel Pump Inop ????
  44. aem uego signal to hp tuner issue
  45. Does anyone have to pay to get their PCMs unlocked?
  46. hard start after flashing tune
  47. quick question on a SD tune vs. a MAF tune.
  48. Can Old Gas Cause A Knock Sensor Code
  49. Info for E85 tuning?
  50. Tuners!!! I have 2-step questions
  51. tuning for cam
  52. showing code P0101
  53. Tunning For Swapping A M6 to A4
  54. quick question on a SD tune vs. a MAF tune.
  55. LSX 427/Comp cam and codes P0068, p0101 and p0106
  56. Vin change
  57. Optimizing A/F & Spark for WOT 404 hci?
  58. Is it possible to change the "working" range of a sensor in the ecu?
  59. IAT Sensor
  60. Holley HP EFI Guys
  61. Flashing check engine light after egr delete
  62. Car stumble from a dig
  63. ECM Problem or Something else with LQ4 Swap?
  64. 100mm Maf screens?
  65. 5.3 with 4.8 PCM
  66. Please view datalog
  67. Cold Start Idle Issue
  68. Jeremy Formato of Fasterproms Tuning and Porting in Orlando August 7th
  69. HP Tuners - C7 Corvette tuning support available NOW!
  70. c5 pcm a/c and tach questions
  71. P0340 now..???
  72. 02 help
  73. need help
  74. Coil Pack Problems
  75. Forged 408 LTFT help?
  76. 5.3 swap... Got some fuel trim/O2 sensor issues...
  77. Modified LS1 Won't Idle
  78. HP Tuners says its not Licensed yet it is....
  79. HP Tuners reverting a Speed Density Tune with a new Account
  80. Tune help dies in Drive only.
  81. Strange car activity -- LPE 58x - 24x converter
  82. P0101 and no CEL?
  83. Idle tuning and exhaust leak
  84. Trying to get IAC counts back at hot idle
  85. O2 sensor reading for bank 2 stuck in very narrow range
  86. How do I use tow/haul mode on my swap
  87. Jeremy Formato of Fasterproms Tuning and Porting in Gainesville August 6th
  88. Revs rise when drive engaged
  89. Is my car already tuned?
  90. HP Tuners First to Market with 2014 C7 Support released!
  91. PCM communication problem
  92. Ses p1153 ? Help
  93. 98 to a 99 PCM... fuel gauge not working.
  94. Turbo 5.3 with MAF tune...AFR changes with weather! WHY?
  95. knock sensor low voltage code cause timing to be pulled?
  96. After tuning gas pedal works on and off!
  97. Mega squirt? Opinions
  98. 5.7 LS1 finished Tune...Runs...Now a headache
  99. Tune for stock f body ls1 with ProCharger?
  100. gmpp ls376/480 into 2008 silverado tuning
  101. e38 ecm questions
  102. C0181 - Throttle reduction motor circuit malfuntion: Car bucks 2K RPMs
  103. P1626 with vats bypass
  104. ls1 Predator Diablo Sport Tuner
  105. SES light but no DTC's after M6-A4 swap
  106. 0411 PCM --Cam Sensor---1x or 2x or 4x???
  107. P0103 MAF Help!
  108. 98 pcm to 99+ re-pin process
  109. Haltech Platinum Sport GM
  110. Force motor
  111. Knock sensors new still not working with code
  112. First to Market: 2014 GM Gas truck tunes!
  113. Reputable SD Tuners in the Southeast for FI?
  114. 5.3L swap, where can I send my harness out?
  115. Smoothing or Interpolating
  116. Difference between commanded and actual TP at idle.
  117. How can you determine how much spark with turbo tune
  118. PLX wideband shows LEAN then works off and on
  119. any ideas of why im running rich?
  120. trans slips and the trans is fine, help
  121. Is it running lean or not
  122. 0411 "Fan 3 option" for a trans cooler fan??
  123. autometer guages
  124. Lean on launch
  125. can innovate lm2 work with hp tuners non pro interface?
  126. Suggestions for tuning a '97 Vette
  127. Need Help Trouble Shooting
  128. WBO2 Install Questions
  129. Fuel segment swap
  130. 2 step function with BS3 and a T56?????
  131. v6 0411 to v8. what needs be done?
  132. Wants to die with sudden closed throttle
  133. why didnt it pull timing?
  134. Problem, maf no signal out of no where? (FIXED!)
  135. Reduced engine power nightmare
  136. 04 envoy 6.0 lq4 swap
  137. Diagnostic Help needed. What could be the problem.....
  138. MAP Rating
  139. The Tuning School
  140. chassis dynoes in Kansas (or close)
  141. PCM And BCM Question
  142. Frustrated plz help!!!
  143. P1336 Crankshaft Position Sensor Relearn
  144. SLP TCS module necessary with HPT Pro?
  145. M6 fuse harness with A4 engine harness?
  146. How much did GM spend tuning LS1 GTOs?
  147. still having a misfire issue
  148. Rev limiter at 5200. Why? Can someone check my tune?
  149. calibrating AFR
  150. Open Loop EQ Ratio
  151. TH400 Speedo not right w/ HP Tuners....help
  152. converter tuning assistance
  153. gen IV lsx- need to split fuel level signal....impossible??
  154. Safe HPT Pro tuning options without a wideband installed?
  155. having to pull 6+ degrees of timing with ls6 intake and longtubes (2000)
  156. Bs3 tuning in lower Alabama
  157. lm-1 programming issues......no cable
  158. Lingenfelter 2-step install - Car Won't Start
  159. Factory PCM w/Software vs Dominator EFI
  160. Superchips Flashpaq good or bad?
  161. Idle Issues - Tune and scan inside
  162. Running HP Tuners in Parallels?
  163. LS1 hesitation at launch, need scanned / tune tweaked?
  164. Question-Closed Loop Proportional Idle-Tables
  165. Open Loop EQ Ratio change
  166. 02 LS1 Bogging issue
  167. HP Tuners Installation Problem
  168. PCM to ECM upgrade
  169. $50 To help solve this problem
  170. Startup issue
  171. e38 Bricked.. kinda..
  172. Auto & M6 use same PCM?
  173. western mass/ north of Hartford lsx tuning?
  174. Lean stumble during accel
  175. 2 diff ECUs for 2 differnt tunes?
  176. Will it run on base tune?
  177. Need help!!!
  178. Could it be my map
  179. Turbo 2bar....please take the time to look!
  180. 03 silverado tune
  181. car runs bad in the rain. need help please
  182. New OBD1 LT1 Tuner in DFW!!!
  183. Need help finding a tuner
  184. maf tuning help- Im stumped
  185. Ls4 & 0411
  186. Strange idle
  187. Any way to shorten a log file ?
  188. Is anyone succesfully running LS2/3 knock sensors w/ an LS1 pcm?
  189. GMPP engine no start issues
  190. Fast pcm?
  191. IAT in maf? tsp 100mm?
  192. Car running poorly, P0106
  193. PCM reflash
  194. do you need the hptunerpro to datalog
  195. Anyone familiar with GMLAN
  196. take a look at my tune?
  197. Russ-k cfg help
  198. is this pinging/tune related?
  199. Diablosport hand held tuner - unlocked?
  200. c5z idle issue
  201. MAF tuning vs SD
  202. Selling HP tuner Pro Cable and Innovate Wideband LM1
  203. somethign to monitor sensors?
  204. pinging? under heavy load- tune related? help!
  205. problem spark advance rpm tuning
  206. 4L80e swap, what way saves creidits??
  207. Audi RS6+383TT - Need HPTuners 3bar SD guru input.
  208. Will someone look at my HP tune?
  209. Alternator Voltage
  210. confused commanding 11.7 getting like 14.1
  211. 6L80 T43 Operating System Question
  212. PO300 help
  213. MAP issues?
  214. Any good reputable tuners in sc
  215. P0200 Fix
  216. Please read about hp programs
  217. 2006/2007 V8 Truck M/T file?
  218. HPT will not log STFT and LTFT
  219. file at idle. can somebody take a look?
  220. How to upload files
  221. PCM can't communicate with scanner
  222. Rev limiter adjust?
  223. TCC problems
  224. HP tuners pro and wideband
  225. HP Tuners 2.24 changing unit display
  226. please help. switching fro 2bar map sd back to stock
  227. n/a IAT Temp question???
  228. Is it misfiring?
  229. 1x cam gear in 58x motor.. what to do?
  230. Vss tuning for th350 speedo conversion.. Help needed
  231. MS vs. stock PC vs. Aftermarket enging management
  232. G8 Engine Issues
  233. Big Thanks to SLOWHAWK and TEA!!!
  234. someone want to explain this one to me? swap will not run unless CEL light is ON
  235. HP tuners not reading real time.
  236. turbo lt1 24x conversion breaking up. how much timming should i be pulling? and inhg
  237. Rough idle/power delivery
  238. anyone have an idea what controls the speedometer in a 05 gto?
  239. My MRC (magnetic ride control) project is hitting a snag
  240. 6L80 T43 Scaning Question
  241. Anyone using a Tablet to Log and Tune
  242. Odd looking logs, efi live... need help
  243. 1993 GMC S truck with 04 GTO has codes,need ideas
  244. Dynotune problem torquer v2 cam
  245. Please Help_$450 a fair price for used HP Tuner Pro w/ No Credits?
  246. MAF off significantly - Stock 98 Camaro SS 6spd Tuning Tips/Advice
  247. looking for a tuner..turbo 05 gto
  248. O2 issues or something more?
  249. How to program single fan
  250. Ls1 misfire at 4500rpm on e85