View Full Version : PCM Diagnostics & Tuning



  1. Are there any full wiring diagrams floating around for a 99 firebird?
  2. Are there any full wiring diagrams floating around for a 99 firebird?
  3. Tap into MAP wire?
  4. FAST EFI XFI and AEM EMS question
  5. ac idle tuning...
  6. Help me tune my car to get into the 11's
  7. megasquirt install, need ve table
  8. Tps
  9. Whats Wrong? O2 readiness not completeing...
  10. knock sensors
  11. Knock Sensor: Delete or keep
  12. PROS & CONS OF SD TUNING
  13. power surge when laptop is on car
  14. P0151 P0174 need some help
  15. voltage problem with car
  16. LTFT are backwards
  17. Who can reprogram a 94 v6 computer?
  18. Ls1 edit problems
  19. Tuning LS1 for dumbies
  20. Which controls idle AFR ?
  21. This is the tuning steps i've come up with, correct?
  22. checked my AF
  23. what to tune with???
  24. How to tell if an O2 sensor is going bad????
  25. Knock retard problem
  26. coolant light wont go off, SES came on..ect
  27. Wow, talk about an IDIOT....
  28. msd ignition for gen III for FI
  29. ABS and Brake light
  30. 98 pcm and PE tuning
  31. twin turbo
  32. Blowing fuses
  33. camaro cluster ?'s
  34. Common ground for coil rails?
  35. ***need Wiring Diagram For Starter***
  36. Anyone use Proscan?
  37. No MAF, 4150 intake with a 4 barrel Throttle Body.
  38. what O2 Mv is good???
  39. Blown 383 LT1 management q's
  40. ABS inop on
  41. Why is maf making the car lean
  42. NEW PCM, how hard to get correct OS and VIN number on it???
  43. Good LS1 Edit sites
  44. Turned the MAF back on...
  45. starter problems
  46. LS2 tuning?
  47. long term fuel trim
  48. Sts 67
  49. car wont run
  50. Help Car Runs Like Junk
  51. Ported MAF on H/C car, back to stock MAF
  52. LT / O2 sensor help
  53. How do you reset the PCM?
  54. Anyone ever seen Pocket HP Tuners?
  55. PCM sensor inputs
  56. MSD Ignition for Gen III
  57. VE table question #2
  58. VE table question
  59. EGR Going into intake
  60. How to tune VE on off RPM?
  61. PCM sensor inputs
  62. PCM sensor inputs
  63. q abot running lean
  64. Will an 11.4v charge effect power?
  65. Advice for first real dyno pulls
  66. how to tune IAC?
  67. 408 vette high rpm miss
  68. Knock Sensors
  69. Quick ? about 135 code.
  70. P0155 code
  71. AFR vs RPM - how lean is too lean ?
  72. Any way to convert from 98 pcm to 99+?
  73. Super Chip?
  74. Need Opinions Please
  75. Strange Problem W/Tuners...Can't save???
  76. Safe to remove battery for winter storage?
  77. fixed some bucking and dipping...
  78. lean or rich?
  79. INJ. Duty Cycle on HP tuners
  80. how to set timing on ls1 edit
  81. why is my idle airflow so inconsistent????
  82. Commanding 15.12 AFR but not getting it in closed-loop
  83. What AFR for this tuning?
  84. O2/ knock sensor problems
  85. another cam question sorry
  86. Tuning 1993 Trans Am w/ LT1 383 blower motor!!!
  87. NEED HELP!!! cranks but no start
  88. the powers of a professional dyno tune+big cam
  89. Do i still need a shift kit with new converter even though i have LT1 edit?
  90. Has anyone cured bucking with an open loop tune?
  91. Best mail order tuning (for $)
  92. T-56 to TH400 HP Tuner?
  93. EFI Live confusion
  94. tuning
  95. Besides the connector, are O2's the same for LS1 and LT1?
  96. Yet again, some thoughts/questions on bucking...
  97. Went to dyno, got random misfire instead!
  98. What happend to my AFR?
  99. Someone convince me that I want to stay with HPTuners
  100. Please Help with all of these codes and Backfiring plz
  101. Wideband? WTF?
  102. Why is this WB O2 so cheap?
  103. LF Bigstuff 3 Tuners...
  104. Tuning LTRM's with the MAF connected
  105. Tuning in the freezing cold?
  106. LS1 Edit and a Th350??
  107. Shift point calculator, accurate?
  108. Tach Install
  109. Jumping wires on the MAP?
  110. Truck misses like CRAZY when cold. What could it be??
  111. Cold start's / bigger cam.. please help..
  112. help, TCS off light goes on every time i start the car??
  113. VSS Signal
  114. MAF connector part number needed.
  115. Anyone here build 99+ benchtop harnesses?
  116. I need to locate a tuner
  117. heres how to wire an LC1 to work as a Wideband and a Narrowband at the same time
  118. RPM tach help
  119. got acceleration problems!!! help me pls!!
  120. Aftermath of Alky spray....running awful
  121. 02 silverado bin file??anybody have one?
  122. Disabling rear O2 w/ VCM Edit?
  123. cant log ltit or stit with hptuners
  124. Simle PE/LTRM question
  125. wideband location
  126. What are LTIT and STIT 's ??
  127. PE Delay RPM, confused...
  128. vehicle codes on high idle
  129. wideband w/ true duals?
  130. Anyone have a stock 2001 Z06 .bin file?
  131. wide band worth it
  132. pcm/harness/auto tranny q's
  133. Help!!! CODES AND LOADING UP BAD
  134. EFILive or HPTuners for Boost?
  135. Security light???
  136. help with a splitter cable
  137. OLFA at 1.0, cold start AFR wandered way lean !
  138. Knock Sensor Voltage Question
  139. torque managment question
  140. EFI Live how to
  141. ??? Open loop question ???
  142. 2001 injectors in 99 ta
  143. Chevrolet Cavalier VAT disable in the PCM
  144. P0420 Catalyst System Efficiency Below Threshold (Bank 1)
  145. I need some help with my timing curve
  146. PassII Key?
  147. C6 tuning and KR
  148. What wideband are you useing???
  149. OS... EFI Live.. Qs...
  150. Why did my car flatline?
  151. Anyone disable their EVAP purge?
  152. wide band and HP tuner question
  153. Flashing SES...running rough one sec and fine the next
  154. Odd O2 behavior after leaded 110 octane
  155. timing on 2002 z28
  156. timing histogram in tuners??
  157. no power down low...
  158. STS Turbo w/ 60lb mototron injectors issue.
  159. *HELP* serious problem with my car!!
  160. Mini AFC 2.2 Air fuel controller ...
  161. HPtuning or EFILiveL tuning or ls1edit ???
  162. High idle on 99 ss camaro..Help Please.
  163. Need quick help with a wire harness.
  164. maf translator
  165. Rear O2's
  166. Toshiba laptop and EFI Live flashscan
  167. Cam install help
  168. Best shift point and RPM?
  169. Where to tap into RPM for LM-1
  170. How to shut off headlights when tuning
  171. ls1edit question about licenses...read/program PCM
  172. What can I do to tune car to be more cosistant at the track?
  173. Pcm - locked, what can be done?
  174. kludge relay and Throttle..any way to disable relaxer side of it??
  175. Stock TC retard and Knock retard signals
  176. does the F-Body's ECU learn driving habits?
  177. Does the FBody learn driving habits?
  178. PE delay
  179. VE is closer, how close and MAF questions...
  180. Anybody have log file for stock 2002 WS6?
  181. Crane Powermax tuning strategy
  182. Afterstart Enrichment Table Question
  183. granatelli MAF????
  184. How much timing for 9:1 comp. 402
  185. EFILive guys, quick question?
  186. 36# low impedance why not?
  187. Looking for a LS2 tunner close Baton Rouge La
  188. For a boosted app., which tuner?
  189. Advice please: Just want to hear what everyone thinks is the best A/F margin.
  190. Idle problem...HELP PLEASE
  191. Why is it.....
  192. what could the culprit be??
  193. Replacement wideband sensors
  194. 10% ethenol blend hoses my tune?!
  195. Tuner PROBLEM LOOK!!!!!!!!!!!!!
  196. HP Tuners vs EFI Live ease of use
  197. ok prop fuel is at about zero and oscillation still sucks...
  198. Dyno Tune...worth it?
  199. PE tweaking
  200. Look at these HPTuner graphs...seeing knock....normal?!?
  201. throttle cracker question
  202. Pe table question/ifr
  203. Injector pulses way different when car gets warm?? did search.
  204. Differences in IAC Effective Areas for Various Years
  205. How to add fuel in this example
  206. Adjusting idle?
  207. A couple screen shots with a question.
  208. f13 guys..can i take a look at your timing tables?
  209. issues with timing!!
  210. Help my 1996 GMC Suburban wont Start
  211. 2001-2002 LS1 Mass Air Flow Table file
  212. Codes following Dynotune
  213. cate ls1
  214. V2.0.17 question???
  215. 97 vette with boost
  216. Front o2 sensor - quick question
  217. it says no tuning required but.......
  218. Tuning a G5X3 Cam
  219. Help with Codes
  220. Secondary Air Injection
  221. MailorderChips?
  222. '04 Serial Vats- can it be "turned off"?
  223. Code p0332 Knock Sensor Low Input
  224. P1153 Code after Trans and converter install
  225. LT1 scanner or software
  226. Please need help DTC 171 car missing bad!
  227. Can you "tune" the Cranking VE Table?
  228. whats better
  229. VE SD Tuning and Reduced engine Power
  230. Timing Tuner guys inside?
  231. Bank 1 always leaner than bank 2 need suggestions
  232. Ugly looking start-up - What's the cure?
  233. Security System Help
  234. tune help right now?
  235. First post in need of a lot of help.
  236. Desired Idle Airflow
  237. 3:42 to 3:73's
  238. ASR problem; light on, button does not respond
  239. Wideband tuning on a dyno for sealed "Ram air kits"
  240. Need a good start bin!
  241. How to make a frequency divider?
  242. Why ?
  243. HP Tuner 2 bar + MAF, will it work for boost?
  244. MAF on previous speed density cars?
  245. bucking problem
  246. Hpt ?
  247. What kind of tuning do I need???
  248. LSX PVC Question
  249. comparing my tune ?????
  250. HP Tuners vs. EFI Live