View Full Version : PCM Diagnostics & Tuning



  1. 98 pcm on 02 ls1
  2. Plx wideband afr, trying to log afr on efi live
  3. PCM and heat
  4. Pcm removal from engine
  5. new motor woes
  6. PO102, PO117, PO135, PO155, P1114 all at once?
  7. Throttle body code
  8. If I change the cylinder volume for a 427 from a 346 will it make me go lean or rich?
  9. Intake Air Temperature IAT sensor question
  10. Missfire/down on power 383/5.3 truck heads
  11. Can I start my car without a gauge cluster?
  12. proper shielding for wiring
  13. Help with high Idle!!!
  14. Which "ECM Type" do I use in WinALDL for 94 trans am auto?
  15. 6.0 lq 4 swap
  16. Maf problem
  17. Predator o2 sensor ?
  18. Who would you choose Pat G or Corey Henderson?
  19. LC1 Wiring question.
  20. need data logging help.
  21. Little help please
  22. Maf, open loop tuning, which tables, 95 OBD1 using tunercat.
  23. What happens if I do this....
  24. megasquirt anyone?
  25. Rich at idle OLSD??? Tune attached, any help? EFILIVE
  26. Speed Density tune question?
  27. Please help.
  28. Tuned by frost
  29. possible check engine light?
  30. Who all does decent mail order tunes
  31. does HPTuners transfer credits?
  32. need computer help
  33. half gas pop 02 6.0 swap.. help please
  34. 99 Harness problem
  35. hp tuners maf table for slp with out resistor
  36. Delphi 3 Bar MAP Question
  37. segmented cam gear tuned to work on half moon cam gear motor?
  38. Which wideband?
  39. speed limited?
  40. 99+ coolant temp PCM pins
  41. turbo 5.3L swap, which PCM?
  42. hptuner issue
  43. Hitting limiter on 1-2 shift only?
  44. Cold start: idle problems, Warm start: runs fine
  45. Boost with Holley Dominator EFI
  46. COT ? no cats
  47. COT ? no cats
  48. Would I need a tune?
  49. Re-tune for higher stall converter?
  50. Hptuners rev limiter
  51. 6.0 harness pin-outs
  52. tuning question
  53. Can ANYONE help with a VSS issue?
  54. ALDL Cable
  55. How does Torque Management work ...
  56. Anyone got one of those desktop dyno deals?
  57. P0174 only.
  58. How to turn off AC Clutch relay and pressure circuit???
  59. Tuning info for 98 boosted setups??
  60. VATS need help!
  61. Tuning out rear o2s
  62. M6 Segment Tune Swap
  63. Dyno Tune in NC
  64. Tuned once, shop is out of business...
  65. IAC Valve Differences
  66. Possible PCM issue? Updated with New issue and Link!!
  67. i need help lol..... iat and ect reading neg 38 deg
  68. Wideband?
  69. bad to drive on bigger injectors w/out tune?
  70. Single or dual channel?
  71. HP tuners data logging problem
  72. Glorious random misfire
  73. data like problem
  74. This is probably a beaten horse.. BUT...
  75. 98 pcm
  76. Stuttering mid to high RPMs @ WOT
  77. Raptor shift light help!
  78. Disable DTC and engine dies
  79. Efilive repository link in sticky is broke?
  80. Need! idle relearn procedure for a 1998 A4
  81. Nascar's ecm....
  82. Line Pressure on stock 4L60e w/ shift kit & SS4000 Yank
  83. tuner cats/ jet dst
  84. LS1 PCM Cooling Fan triggers
  85. What exactly is a Speed Density Tune
  86. If I change OS, will my EFI License still work?
  87. laptop computer tuners?
  88. pcmforless
  89. E38/T42 Computer Bench Harness
  90. woot! I'm still stickied! :)
  91. Where to get discount on efi live
  92. 98 to 02 pcm swap
  93. If You Have Ever Purchased an E38 ECM and Overwritten It, Please Read This
  94. pcm tune where?
  95. tuning for the best
  96. U 1000 "Class 2 Data Link" - What is this???
  97. 96 S10 LSx swap, OBD2 data issue
  98. LS3 Crate engine won't idle
  99. Good beginner hp tuner pro tips
  100. no power
  101. Why won't ecm go into pe mode?
  102. PCM out of an 05 2500HD
  103. P0121 tps code questions
  104. 0411 PCM pin 24 red connecter
  105. Cylinder 6 misfire!!!! Help!!!!!
  106. Tuning help
  107. Tuning Help Please! 4.8 with big cam.
  108. 07 TBSS LS2 dead throttle randomly
  109. looking for dyno tuner
  110. 98Z 3200 stall tune needed
  111. HPtuners and VIN registration ?
  112. Throwing 7 codes......where should i start?
  113. VSS; does aftermarket support this for me?
  114. check engine light will not work! why???
  115. Compatible Operating Systems for a 2012 E38 ECM?
  116. anybody have an Ohms vs Temp table for a GM Coolant Temp Sensor -40*F to +284*F
  117. Holley dominator efi ,any good???
  118. no dash lights. fogs or radio
  119. Virginia emissions question
  120. 4l80 harness with 4l60
  121. Diablo Trinity or Frost Tune, or HP Tuners Tune?
  122. LM2 issues
  123. PCM vs. Alternator
  124. Help!!!
  125. Is 85% Really Full Throttle on an LS3?
  126. Will HP Tuners Recognize a Brand New, Unprogrammed ECM?
  127. Just installed 98 FTP lid/85mm MAF
  128. HP tuner credits..
  129. auto to manual tune file vs emissions
  130. truck pcm w LS1
  131. are these cam sensor #s normal ?
  132. 4.8 harness w/ Upgraded PCM to LS1
  133. retard timing
  134. lost crank signal
  135. '99 FB airbag light on, code B0051
  136. Anyone running a Dual Curve MAF?
  137. Hard time getting ahold of Frost...
  138. Think I got ripped on a Diablo Predator U7198...Vin locked and pissed!
  139. 98 pcm and trying to run a 4l80e
  140. Idling too high in neutral and when rolling - how to fix this??
  141. SD tune for turbo 5.3
  142. At wits end....need help
  143. 1st gear transmission slip.....Wiring issue? Need help
  144. First fire up...runs but dies and won't start.
  145. stock maf or 85mm SLP maf
  146. P0128 randomly pops up.
  147. frost tuning on my 05 silverado?
  148. ls1 randon idel spike
  149. MAF stuck at 0.31
  150. PCM Compatability Question
  151. KR going off under load. is this normal?
  152. IS this LEGAL?!? hp tuner question
  153. 98 camaro 6speed tune, Do you have one? few HP tuner questions as well
  154. ASR light always on - switch is dead
  155. Replaced both O2 sensors still getting P0131/0151
  156. Best mail order tune
  157. Anyone work for GM, or GM race shop?
  158. GMMP LS2 controller work with LS3 gold blade throttle body?
  159. Whats the differance ide like to know
  160. Used predator prices?
  161. timing too high?
  162. just back from dealership now have SES light!
  163. Factory Wiring Harness...Need some help!
  164. Will I need to tune out VATS on a 98 pcm
  165. VSS wires??
  166. BS3 or holley dominator efi?
  167. what to do?
  168. Cold start issue...have to pump gas initially...2004 GTO
  169. questione:AEM standalone
  170. trans tune question
  171. O2 sensor plug volts??
  172. LSX PCM questions
  173. Hp tuners question
  174. P0122 p01635
  175. sputtering in all gears in idle help
  176. Will a mail order tune work for me?
  177. user XP and DL time
  178. setting 4>3, 3>2, and 2>1 downshifts hp tuners?
  179. OBD2 scanner android app
  180. Help with VIN code!!!
  181. need a tune for my stall.
  182. voltage drop
  183. What's the point of tuning VE?
  184. E40 ecu question
  185. Predator tuning
  186. 85mm MAF Question
  187. pcm buying time
  188. Just got HPtuners have a question
  189. Turbo wot pulls with hptuners...log and tune inside
  190. Richer Idle?
  191. Timing question
  192. ls3 Block, Heads ,and Intake .. 98 PCM hard tunning
  193. Dallas Dyno tuner?
  194. how many cell hits are you logging for wot pulls?
  195. Do tuners block the PCM so you can't read anything from it?
  196. buying tuning software used, what should i look for?
  197. Need to locate 2 pins...
  198. Dyno vs Mail order tune
  199. Confirmation that crank signal is bad
  200. False knock issues
  201. Still having idle issues, experts inside!
  202. p0068 dtc
  203. My p0134 story
  204. want to switch to speed density
  205. Need help-HP tuners and VIN question
  206. Need stock '98 A4 HPT tune file
  207. 2010 Camaro VSS issue (ideas?)
  208. IAT sensors
  209. schematic noob (determining polarity)
  210. what would cause the o2's to be acting like this? (hp tuners chart .jpg)
  211. Is this wideband any good?
  212. Just replaced 02 V6 Camaro MAF, now I have this problem...please help.
  213. Can I just cut wires at the computer?
  214. What does the PCM use when the throttle position sensor is unplugged?
  215. Factory Wiring Harness, PCM, Open Tune...and EFI Live
  216. hp tuners vs efi live
  217. TX G-Force motorsports or Clearlake speed??
  218. Needing some help....Driveability issues
  219. Tach Signal
  220. delphi pcm? and software...this is a strange one.
  221. conversion harness questions
  222. Tulsa, OKC, possibly texas tuner
  223. cold start problems, leaking injector or just need of tune
  224. PCM corrupted
  225. LS1 PCM in a S10 1993 truck ??
  226. EFI Live....but its used and the old version!
  227. Identifying my PCM
  228. Anyone care to comment on my VCM/HP Tuners E85 Tune and Log?
  229. DTC P0131, 0133, and 0151?
  230. 94Z28 BCM Question
  231. 383 LT1 Tuning Problems
  232. Spark Advance at WOT Bolt-on Ls1
  233. 1992 GMC Pick Up Code 51
  234. gains from tune in bolton/stock M6 car???
  235. electrical issues need help
  236. Shift points after headers
  237. any issues with running a 2002 5.3L w/ a 1998 firebird PCM/harness??
  238. NGK AFX Controller Location
  239. Injector help, 400RWHP Bolt-on LS6
  240. MAP sensor code error
  241. Speedo hookup without using transmission?
  242. Cleaned MAF and WOW!!!
  243. cartek c5r 427 readiness test
  244. tune with rear o2 delete
  245. OL Hunting idle diag
  246. Small physical dimension PCM options?
  247. Wideband/Gauge questions
  248. Are my O2s sleepy (image inside)?
  249. Running speed density for turboed chevelle
  250. spark plug suggestions...