View Full Version : PCM Diagnostics & Tuning



  1. Idling too high in neutral and when rolling - how to fix this??
  2. SD tune for turbo 5.3
  3. At wits end....need help
  4. 1st gear transmission slip.....Wiring issue? Need help
  5. First fire up...runs but dies and won't start.
  6. stock maf or 85mm SLP maf
  7. P0128 randomly pops up.
  8. frost tuning on my 05 silverado?
  9. ls1 randon idel spike
  10. MAF stuck at 0.31
  11. PCM Compatability Question
  12. KR going off under load. is this normal?
  13. IS this LEGAL?!? hp tuner question
  14. 98 camaro 6speed tune, Do you have one? few HP tuner questions as well
  15. ASR light always on - switch is dead
  16. Replaced both O2 sensors still getting P0131/0151
  17. Best mail order tune
  18. Anyone work for GM, or GM race shop?
  19. GMMP LS2 controller work with LS3 gold blade throttle body?
  20. Whats the differance ide like to know
  21. Used predator prices?
  22. timing too high?
  23. just back from dealership now have SES light!
  24. Factory Wiring Harness...Need some help!
  25. Will I need to tune out VATS on a 98 pcm
  26. VSS wires??
  27. BS3 or holley dominator efi?
  28. what to do?
  29. Cold start issue...have to pump gas initially...2004 GTO
  30. questione:AEM standalone
  31. trans tune question
  32. O2 sensor plug volts??
  33. LSX PCM questions
  34. Hp tuners question
  35. P0122 p01635
  36. sputtering in all gears in idle help
  37. Will a mail order tune work for me?
  38. user XP and DL time
  39. setting 4>3, 3>2, and 2>1 downshifts hp tuners?
  40. OBD2 scanner android app
  41. Help with VIN code!!!
  42. need a tune for my stall.
  43. voltage drop
  44. What's the point of tuning VE?
  45. E40 ecu question
  46. Predator tuning
  47. 85mm MAF Question
  48. pcm buying time
  49. Just got HPtuners have a question
  50. Turbo wot pulls with hptuners...log and tune inside
  51. Richer Idle?
  52. Timing question
  53. ls3 Block, Heads ,and Intake .. 98 PCM hard tunning
  54. Dallas Dyno tuner?
  55. how many cell hits are you logging for wot pulls?
  56. Do tuners block the PCM so you can't read anything from it?
  57. buying tuning software used, what should i look for?
  58. Need to locate 2 pins...
  59. Dyno vs Mail order tune
  60. Confirmation that crank signal is bad
  61. False knock issues
  62. Still having idle issues, experts inside!
  63. p0068 dtc
  64. My p0134 story
  65. want to switch to speed density
  66. Need help-HP tuners and VIN question
  67. Need stock '98 A4 HPT tune file
  68. 2010 Camaro VSS issue (ideas?)
  69. IAT sensors
  70. schematic noob (determining polarity)
  71. what would cause the o2's to be acting like this? (hp tuners chart .jpg)
  72. Is this wideband any good?
  73. Just replaced 02 V6 Camaro MAF, now I have this problem...please help.
  74. Can I just cut wires at the computer?
  75. What does the PCM use when the throttle position sensor is unplugged?
  76. Factory Wiring Harness, PCM, Open Tune...and EFI Live
  77. hp tuners vs efi live
  78. TX G-Force motorsports or Clearlake speed??
  79. Needing some help....Driveability issues
  80. Tach Signal
  81. delphi pcm? and software...this is a strange one.
  82. conversion harness questions
  83. Tulsa, OKC, possibly texas tuner
  84. cold start problems, leaking injector or just need of tune
  85. PCM corrupted
  86. LS1 PCM in a S10 1993 truck ??
  87. EFI Live....but its used and the old version!
  88. Identifying my PCM
  89. Anyone care to comment on my VCM/HP Tuners E85 Tune and Log?
  90. DTC P0131, 0133, and 0151?
  91. 94Z28 BCM Question
  92. 383 LT1 Tuning Problems
  93. Spark Advance at WOT Bolt-on Ls1
  94. 1992 GMC Pick Up Code 51
  95. gains from tune in bolton/stock M6 car???
  96. electrical issues need help
  97. Shift points after headers
  98. any issues with running a 2002 5.3L w/ a 1998 firebird PCM/harness??
  99. NGK AFX Controller Location
  100. Injector help, 400RWHP Bolt-on LS6
  101. MAP sensor code error
  102. Speedo hookup without using transmission?
  103. Cleaned MAF and WOW!!!
  104. cartek c5r 427 readiness test
  105. tune with rear o2 delete
  106. OL Hunting idle diag
  107. Small physical dimension PCM options?
  108. Wideband/Gauge questions
  109. Are my O2s sleepy (image inside)?
  110. Running speed density for turboed chevelle
  111. spark plug suggestions...
  112. no crank no start
  113. Not starting....
  114. Rolling only high idle???
  115. What in the world is wrong with my fuel gauge? *Nothing to do w/the sending unit!
  116. Went from m6 to a4
  117. P0200 Only, can't put my finger on it...
  118. Changing VIN to match current swapped vehicle
  119. closed loop tuning
  120. Bucking and surging?
  121. car running too rich
  122. Changed MAF, runs poor
  123. Using HP Tuners Without Application Key or Account Info?
  124. 383 LT1 PCM problem?
  125. Random misfire
  126. How close are Frost tunes
  127. HP Tuners Injector flow vs Kpa. Why does it change?
  128. TPS won't reset to 0%
  129. DBW computer for blue/red harness?
  130. Check my codes plz
  131. Does Anyone have CAN network diagram?
  132. Idle Surge help please
  133. First Time Tuner (HP) where do I start?
  134. writing 6.0 tune on my 5.3 computer (hptuners)
  135. Cam/crank sensor question.....
  136. Do wideband O2 sensors wear out?
  137. please help ls swap wiring problem
  138. Check this $#i+ out!!!
  139. Random Misfire
  140. Tuning Necessary? Typhoon to FAST Intake
  141. Missing o2's.
  142. Dash won't light up and car won't start?!?!
  143. Delete front o2 codes, will pay and ship
  144. Big spikes in timing advance
  145. Erratic idle, battery, gauges........ HELP
  146. SES code p0135...
  147. Locked diablosport tuner
  148. What does this dyno graph say about the tune?
  149. Codes thrown
  150. Rlz engineering in nc
  151. VCM suite not working properly
  152. Merry Christmas everyone!!!!
  153. Problems logging the wrong AFR with HPtuners
  154. 98 vs 99+ pcm
  155. 750 ohm 1/4 watt resistor
  156. Where should I start
  157. Swapping a 2001 SD M6 PCM into a 2002 MAF A4 car???
  158. OBD plus Can scanner that works for SES, SRS and ABS
  159. What happens if a 5.3 tune is run on a 4.8 motor?
  160. megasquirt3 injector choice
  161. o2 sensor suggestions and header install
  162. 6l80 Tunes, show and tell!
  163. 408 turbo on a 98PCM?
  164. Tech2 questions 05 GTO
  165. who does thunder racings mail in tunes
  166. Chassis dyno
  167. Idle Dips In Reverse Only
  168. Random idle surge on '98 LS1 *Tune/log attached*
  169. Effect of compression on tune?
  170. help with tuner for ls1.
  171. Random misfire code on one bank
  172. 04 GTO harness,pin out for fans
  173. best tune, more boost?
  174. Tuning differences between 98 and 99+ ls1's?
  175. SD Tune w/out Running a VSS
  176. No power in drive
  177. PCM/cam sensors/LS2 Throttle body
  178. Idling high. Not TPS or IAC. Help! HPT log.
  179. ASR problem
  180. p0102 code
  181. mail order tune with heads/cam install
  182. cam idle set? TSP torquer v2
  183. Maf
  184. replace O2s with widebands
  185. PE table question....boosted applications
  186. help with tuning and cost of tune
  187. Help keeping it running
  188. Need help understanding tuning software
  189. Cam sensor compatible?
  190. Take a look at my Tune please.
  191. Holley vs bigstuff3???
  192. swapping mid tubes for longtubes,do I need to retune?
  193. MAF reading
  194. On-Vehicle Dyno
  195. Jet DST ?
  196. tuning
  197. When to tune for bolt-on's?
  198. 2001 truck 5.3 pcm.
  199. What size injectors do you tell your computer you have? E85 question.
  200. Tps value
  201. Optimal RPM for MPG tune
  202. 94 LT1 TunerProRT nor C.A.T.S. working????
  203. BEST Computer Tuner?
  204. HP Tuners ?
  205. Switching from SD Closed Loop to SD Open Loop Questions!
  206. HP TUNERS & EFI LIVE with MASTER EFI TUNER
  207. 2005 LQ9 and FBody wiring/PCM
  208. mac mentor scannor review need help
  209. Bin File Help... Tuner Cats need a factory 98 camaro
  210. P1626?
  211. Injector Pulse Width vs Battery Voltage Table
  212. Problems after Aeromotive fuel system install. Question on tune.
  213. Tune with head cam install
  214. Good deal on GM IAC Valves (PN17113598)
  215. NA E85 Tune, looking for some input
  216. PCM limited to 8k how?
  217. 5.3 in s10, blade style maf ???
  218. Wideband test pipe ?
  219. rear 02 sensors
  220. Turning stuff off via HP Tuners
  221. LS1 in 95 Trans-Am runs for 2 seconds and dies..
  222. HP Tuners Standard version without Wideband
  223. EFI Connection 24X
  224. help with a tune
  225. Need to get OBDII (dash side) port? Where to buy?
  226. P1639
  227. Help with VE tuning....log and tune inside
  228. NGK AFX Powerdex with NTK sensor standard?
  229. I think I have a bad tune!!!
  230. LT1: Timing Curve for best performance?
  231. Texas Speed MOT or Frost MOT???
  232. Have you guys seen this - Dyno-Shaft On-Vehicle Dynamometer
  233. Clearing unnecessary codes forever?
  234. A few tuning questions for my 67 Nova wagon
  235. 5,000-6,000 miles a year, street car, sea level all year round.....SD tune????
  236. Any input on this tuner?
  237. The NEW inTune is shipping this week!
  238. Diablo Tune out AIR
  239. Why is my motor running lean
  240. HP Tuners MPVI Box
  241. Rough engine idling question
  242. Fan tuning question
  243. North Alabama Tuner????????
  244. "Attached PCM's serial number missing"
  245. LQ4 misfire issues
  246. O2 sensors tuned off
  247. vci number a4 to m6
  248. HP Tuner scaner, what can I scan on a Gen 3?
  249. Dyno Tune Near Nashville/FTCKY
  250. After Tex Speed Pack. 1 install on my Automatic Ls1, running weird on OD and Drive