View Full Version : PCM Diagnostics & Tuning



  1. Think I got ripped on a Diablo Predator U7198...Vin locked and pissed!
  2. Silverado Tire size change, now ABS+Brake Lights on
  3. 98 pcm and trying to run a 4l80e
  4. Idling too high in neutral and when rolling - how to fix this??
  5. SD tune for turbo 5.3
  6. At wits end....need help
  7. 1st gear transmission slip.....Wiring issue? Need help
  8. First fire up...runs but dies and won't start.
  9. stock maf or 85mm SLP maf
  10. P0128 randomly pops up.
  11. frost tuning on my 05 silverado?
  12. ls1 randon idel spike
  13. MAF stuck at 0.31
  14. PCM Compatability Question
  15. KR going off under load. is this normal?
  16. IS this LEGAL?!? hp tuner question
  17. 98 camaro 6speed tune, Do you have one? few HP tuner questions as well
  18. ASR light always on - switch is dead
  19. Replaced both O2 sensors still getting P0131/0151
  20. Best mail order tune
  21. Anyone work for GM, or GM race shop?
  22. GMMP LS2 controller work with LS3 gold blade throttle body?
  23. Whats the differance ide like to know
  24. Used predator prices?
  25. timing too high?
  26. just back from dealership now have SES light!
  27. Factory Wiring Harness...Need some help!
  28. Will I need to tune out VATS on a 98 pcm
  29. VSS wires??
  30. BS3 or holley dominator efi?
  31. what to do?
  32. Cold start issue...have to pump gas initially...2004 GTO
  33. questione:AEM standalone
  34. trans tune question
  35. O2 sensor plug volts??
  36. LSX PCM questions
  37. Hp tuners question
  38. P0122 p01635
  39. sputtering in all gears in idle help
  40. Will a mail order tune work for me?
  41. user XP and DL time
  42. setting 4>3, 3>2, and 2>1 downshifts hp tuners?
  43. OBD2 scanner android app
  44. Help with VIN code!!!
  45. need a tune for my stall.
  46. voltage drop
  47. What's the point of tuning VE?
  48. E40 ecu question
  49. Predator tuning
  50. 85mm MAF Question
  51. pcm buying time
  52. Just got HPtuners have a question
  53. Turbo wot pulls with hptuners...log and tune inside
  54. Richer Idle?
  55. Timing question
  56. ls3 Block, Heads ,and Intake .. 98 PCM hard tunning
  57. Dallas Dyno tuner?
  58. how many cell hits are you logging for wot pulls?
  59. Do tuners block the PCM so you can't read anything from it?
  60. buying tuning software used, what should i look for?
  61. Need to locate 2 pins...
  62. Dyno vs Mail order tune
  63. Confirmation that crank signal is bad
  64. False knock issues
  65. Still having idle issues, experts inside!
  66. p0068 dtc
  67. My p0134 story
  68. want to switch to speed density
  69. Need help-HP tuners and VIN question
  70. Need stock '98 A4 HPT tune file
  71. 2010 Camaro VSS issue (ideas?)
  72. IAT sensors
  73. schematic noob (determining polarity)
  74. what would cause the o2's to be acting like this? (hp tuners chart .jpg)
  75. Is this wideband any good?
  76. Just replaced 02 V6 Camaro MAF, now I have this problem...please help.
  77. Can I just cut wires at the computer?
  78. What does the PCM use when the throttle position sensor is unplugged?
  79. Factory Wiring Harness, PCM, Open Tune...and EFI Live
  80. hp tuners vs efi live
  81. TX G-Force motorsports or Clearlake speed??
  82. Needing some help....Driveability issues
  83. Tach Signal
  84. delphi pcm? and software...this is a strange one.
  85. conversion harness questions
  86. Tulsa, OKC, possibly texas tuner
  87. cold start problems, leaking injector or just need of tune
  88. PCM corrupted
  89. LS1 PCM in a S10 1993 truck ??
  90. EFI Live....but its used and the old version!
  91. Identifying my PCM
  92. Anyone care to comment on my VCM/HP Tuners E85 Tune and Log?
  93. DTC P0131, 0133, and 0151?
  94. 94Z28 BCM Question
  95. 383 LT1 Tuning Problems
  96. Spark Advance at WOT Bolt-on Ls1
  97. 1992 GMC Pick Up Code 51
  98. gains from tune in bolton/stock M6 car???
  99. electrical issues need help
  100. Shift points after headers
  101. any issues with running a 2002 5.3L w/ a 1998 firebird PCM/harness??
  102. NGK AFX Controller Location
  103. Injector help, 400RWHP Bolt-on LS6
  104. MAP sensor code error
  105. Speedo hookup without using transmission?
  106. Cleaned MAF and WOW!!!
  107. cartek c5r 427 readiness test
  108. tune with rear o2 delete
  109. OL Hunting idle diag
  110. Small physical dimension PCM options?
  111. Wideband/Gauge questions
  112. Are my O2s sleepy (image inside)?
  113. Running speed density for turboed chevelle
  114. spark plug suggestions...
  115. no crank no start
  116. Not starting....
  117. Rolling only high idle???
  118. What in the world is wrong with my fuel gauge? *Nothing to do w/the sending unit!
  119. Went from m6 to a4
  120. P0200 Only, can't put my finger on it...
  121. Changing VIN to match current swapped vehicle
  122. closed loop tuning
  123. Bucking and surging?
  124. car running too rich
  125. Changed MAF, runs poor
  126. Using HP Tuners Without Application Key or Account Info?
  127. 383 LT1 PCM problem?
  128. Random misfire
  129. How close are Frost tunes
  130. HP Tuners Injector flow vs Kpa. Why does it change?
  131. TPS won't reset to 0%
  132. DBW computer for blue/red harness?
  133. Check my codes plz
  134. Does Anyone have CAN network diagram?
  135. Idle Surge help please
  136. First Time Tuner (HP) where do I start?
  137. writing 6.0 tune on my 5.3 computer (hptuners)
  138. Cam/crank sensor question.....
  139. Do wideband O2 sensors wear out?
  140. please help ls swap wiring problem
  141. Check this $#i+ out!!!
  142. Random Misfire
  143. Tuning Necessary? Typhoon to FAST Intake
  144. Missing o2's.
  145. Dash won't light up and car won't start?!?!
  146. Delete front o2 codes, will pay and ship
  147. Big spikes in timing advance
  148. Erratic idle, battery, gauges........ HELP
  149. SES code p0135...
  150. Locked diablosport tuner
  151. What does this dyno graph say about the tune?
  152. Codes thrown
  153. Rlz engineering in nc
  154. VCM suite not working properly
  155. Merry Christmas everyone!!!!
  156. Problems logging the wrong AFR with HPtuners
  157. 98 vs 99+ pcm
  158. 750 ohm 1/4 watt resistor
  159. Where should I start
  160. Swapping a 2001 SD M6 PCM into a 2002 MAF A4 car???
  161. OBD plus Can scanner that works for SES, SRS and ABS
  162. What happens if a 5.3 tune is run on a 4.8 motor?
  163. megasquirt3 injector choice
  164. o2 sensor suggestions and header install
  165. 6l80 Tunes, show and tell!
  166. 408 turbo on a 98PCM?
  167. Tech2 questions 05 GTO
  168. who does thunder racings mail in tunes
  169. Chassis dyno
  170. Idle Dips In Reverse Only
  171. Random idle surge on '98 LS1 *Tune/log attached*
  172. Effect of compression on tune?
  173. help with tuner for ls1.
  174. Random misfire code on one bank
  175. 04 GTO harness,pin out for fans
  176. best tune, more boost?
  177. Tuning differences between 98 and 99+ ls1's?
  178. SD Tune w/out Running a VSS
  179. No power in drive
  180. PCM/cam sensors/LS2 Throttle body
  181. Idling high. Not TPS or IAC. Help! HPT log.
  182. ASR problem
  183. p0102 code
  184. mail order tune with heads/cam install
  185. cam idle set? TSP torquer v2
  186. Maf
  187. replace O2s with widebands
  188. PE table question....boosted applications
  189. help with tuning and cost of tune
  190. Help keeping it running
  191. Need help understanding tuning software
  192. Cam sensor compatible?
  193. Take a look at my Tune please.
  194. Holley vs bigstuff3???
  195. swapping mid tubes for longtubes,do I need to retune?
  196. MAF reading
  197. On-Vehicle Dyno
  198. Jet DST ?
  199. tuning
  200. When to tune for bolt-on's?
  201. 2001 truck 5.3 pcm.
  202. What size injectors do you tell your computer you have? E85 question.
  203. Tps value
  204. Optimal RPM for MPG tune
  205. 94 LT1 TunerProRT nor C.A.T.S. working????
  206. BEST Computer Tuner?
  207. HP Tuners ?
  208. Switching from SD Closed Loop to SD Open Loop Questions!
  209. HP TUNERS & EFI LIVE with MASTER EFI TUNER
  210. 2005 LQ9 and FBody wiring/PCM
  211. mac mentor scannor review need help
  212. Bin File Help... Tuner Cats need a factory 98 camaro
  213. P1626?
  214. Injector Pulse Width vs Battery Voltage Table
  215. Problems after Aeromotive fuel system install. Question on tune.
  216. Tune with head cam install
  217. Good deal on GM IAC Valves (PN17113598)
  218. NA E85 Tune, looking for some input
  219. PCM limited to 8k how?
  220. 5.3 in s10, blade style maf ???
  221. Wideband test pipe ?
  222. rear 02 sensors
  223. Turning stuff off via HP Tuners
  224. LS1 in 95 Trans-Am runs for 2 seconds and dies..
  225. HP Tuners Standard version without Wideband
  226. EFI Connection 24X
  227. help with a tune
  228. Need to get OBDII (dash side) port? Where to buy?
  229. P1639
  230. Help with VE tuning....log and tune inside
  231. NGK AFX Powerdex with NTK sensor standard?
  232. I think I have a bad tune!!!
  233. LT1: Timing Curve for best performance?
  234. Texas Speed MOT or Frost MOT???
  235. Have you guys seen this - Dyno-Shaft On-Vehicle Dynamometer
  236. Clearing unnecessary codes forever?
  237. A few tuning questions for my 67 Nova wagon
  238. 5,000-6,000 miles a year, street car, sea level all year round.....SD tune????
  239. Any input on this tuner?
  240. The NEW inTune is shipping this week!
  241. Diablo Tune out AIR
  242. Why is my motor running lean
  243. HP Tuners MPVI Box
  244. Rough engine idling question
  245. Fan tuning question
  246. North Alabama Tuner????????
  247. "Attached PCM's serial number missing"
  248. LQ4 misfire issues
  249. O2 sensors tuned off
  250. vci number a4 to m6