View Full Version : PCM Diagnostics & Tuning



  1. Ls2 harness help needed
  2. 99 ws6 ls2 6.0 trans am
  3. Dyno tune in southwestern PA.
  4. LT1 heads and cam timing map.
  5. Holley Efi Tuners in Indiana / Chicago ?
  6. Flashing a 99 pcm with a 2000 tune
  7. Flash a new tune - car takes several ignition cycles to start - Why?
  8. Hot start problems hunting at idle
  9. MSD6010/MS1, MS3.57, or MS3x
  10. 4.3 harness conversion to 5.3
  11. VVT with 4l60e without ISS
  12. Noob Tuner
  13. pulsing problems
  14. Picking up an 05 harness and pcm need help
  15. has anybody delt with race proven motorsports
  16. Trip odometer is resetting itself.
  17. ltft max bank 1 koeo
  18. Fuel Tank Pressure Sensor
  19. Holley efi
  20. loading up after 5k
  21. Holley Dominator 1 wideband or 2?
  22. TPS sensor code after new cam and top end install
  23. “Service Active handling” & other DIC Codes after headers/manifold/tune??
  24. Holley dominator efi
  25. Air Lid to 102 Throttle Body Coupler? MAF or SD??
  26. Need harness help, LT1 to LS(LQ4) swap
  27. HHR RWD w/LS1 computer help
  28. repin a 98
  29. Aeroforce Interceptor Gauge Owners
  30. Getting desperate!
  31. need some advice.
  32. HELP! descreened maf was told i need a new one!!?
  33. New to Site and Need Help
  34. Mail Order Tunes
  35. dwell timming issues
  36. Process For Different Computer
  37. 24x Reluctor Wheel 58x PCM Programming Fix?
  38. to MAF or not to MAF?
  39. Logging Injector Data
  40. Convert Drive by Wire to Drive by Cable
  41. Selling My HPT...in Classifieds...has $10,000 in unused credits on it
  42. P0342, P0343, P0430..heeelllpp
  43. Frost dual flash pcm
  44. 98 PCM swap to 99&up Re-pin Questions
  45. P0757 Shift solenoid b stuck on 2002 camaro
  46. 07 avalanche (l92) wiring harness and ecm on an ls2
  47. No 2-3 shift under nitrous
  48. Cost Effective Code reader?
  49. intermitten PE
  50. speed sensor code ?
  51. Troubleshooting p0133
  52. Easy tuning projects?
  53. Need help with 93 octane tune knowledge
  54. The salvage yard ripped me off..
  55. Little tuning help needed fast 102 instal
  56. anyone got a good write up on how to cure idle hang via hp tuners?
  57. So-Cal: LS Engine Dyno Tuning..Where??
  58. Does this sound like a tuning issue?
  59. rear 02 sensor delete help
  60. Any efi live tunners that can tune via e-mail?
  61. Can a 01 ls1 ECU work on 98 ls1 WITHOUT THE HARNESS?
  62. PCM or TPS problems?
  63. Looking forward to getting tune.
  64. o2 sensor
  65. first data logging not sure on what to use?
  66. Merry Christmas everyone!!
  67. NGK AFX, HPTUNERS, WIRES install
  68. Hp Tuner BE vs PE on a 3 bar OS
  69. Need help...
  70. 3 new crank sensors in 3 weeks?
  71. Tune changes with open headers?
  72. 98 formula TSP224/228 surges in park
  73. Emission Question, LT1 to LS1, possible to pass?
  74. Who got a Frost Tune?
  75. Writing problem with 03 Z06 HPT
  76. Its about time!!!!!!!
  77. Bench Top ECU /ECM Programming Cable
  78. Good Tune shop near Stamford, CT
  79. Ordered a PLX AFR gen 2 + DM-6 today, anyone here run one?
  80. Introduction | ShorTuning
  81. dyno and tuning southwest michigan northwest indiana
  82. security light, why is it on?
  83. hp tuner
  84. Engine Code P0008....
  85. E85 tuning
  86. Data log and tune
  87. How to log fuel pressure using U7198 Diablo handheld.
  88. Who would be a good canidate to tune an LT1 after a 24x Conversion by e-mail
  89. What causes tip in knock
  90. Blew stock pistons twice on twin turbo LS2 with low boost-- Please look at my tune!
  91. Stock 98 tune
  92. HELP!! IAT, MAF, Tune??
  93. speed signal
  94. Need some help with my 98
  95. Wiring help
  96. 24x 12v not 58x 5v, cross-bred GTO LS2
  97. tuners in south eastern ohio
  98. louisiana tuner
  99. same vin pcms
  100. MAF spikes to 2500 cfm.... I take it that is not normal?
  101. ls1 no power in gear
  102. Help ABS pin 20
  103. 1998 Trans Am cutting out - Can't figure it out
  104. Which tuner cable Moates or Tunercat?
  105. Who has stock-like, or better than stock, idle manners with big cam and/or big CUBES
  106. LS1 running lean....
  107. Fuel trim question
  108. Cam position sensor low input
  109. Question about PLX wideband
  110. tuners in houston area
  111. tunnig issue speed density
  112. lets talk about idle tuning!
  113. About to get tuned... can you think of anything else for me to do
  114. Another SD question
  115. Does anyone know...
  116. EFI Live and VIN number change question
  117. DBW woes...
  118. p1133 and p1153
  119. idle issue. help!!
  120. Air/Fuel ratios... is this normal?
  121. Diablo handheld question
  122. LS1 barely runs, unusual circumstances. Need serious wisdom here. Where do I start?
  123. map code and throttle fault - advice
  124. HP tuners & VVT help please!!!
  125. 99 ls1 computer w/ 5.3 truck MAF p0102
  126. PCM swap specific questions
  127. Will a bad cam sensor do this?
  128. DIABLO INTUNE users, chime in
  129. Help, 10.0 at WOT with n.o.s
  130. looking for a good tuner western pa!!
  131. Tuner near arkansas
  132. help looking for fast injectors offset timing table
  133. LS1 TPS Problem
  134. P0336 with 383 build
  135. ATTN hptuners experts. Transmission segment swap
  136. Where is the throttle blade adjusting screw on a Fast 92 TB?
  137. 5.3 tps issue
  138. Ls1 stumbles and hard start
  139. PLEASE HELP with P0342 code, Tach drops to zero
  140. Help!! Running Issues "Open Headers"
  141. Help!! Running Issues "Open Headers"
  142. 2002 5.3 wit a 4l60 into a 79 malibu
  143. tune shop
  144. HELP PLEASE!! i need help from a hptuners guru..
  145. Megasquirt or factory PCM and standalone harness?
  146. What codes to delete 4l80e swap
  147. Go SD or stay MAF?
  148. recomend a tuner in dallas area
  149. autometer speedo not working..help please
  150. Rough idle and stalls
  151. 2.5 Bar map with a 98 PCM
  152. Cold start issues = not enough air with Fast 92 TB
  153. MS3 CAM + HP TUNER Help
  154. Runs Like S***
  155. EFI Live injector tuning with turbo question..
  156. Quick prestartup question
  157. Wtf is this??
  158. dyno tune vs mail order
  159. PCM help
  160. Where to mount my LS1 computer in my 69 Camaro?
  161. PCM requests TCS to be Disabled???????
  162. got 2* of knock at the track, need some help
  163. bad miss/stumble
  164. Controlling a fixed displacement AC compressor with a 99-02 f-body PCM questions...
  165. nnbs intake swap on l33
  166. 6.0 stays in open loop
  167. gen4 wiring
  168. 1-Bar SD Tune in FL/AL/MS/GA
  169. Maf question...
  170. What is the worse that can happen?
  171. ls ECU MCU ID#?
  172. losing throttle input
  173. calling a experienced tuning expert
  174. NB O2's & Lean WOT
  175. UnPlug Map Sensor, Idles ok, Plug in MAP sensor, no good - HELP
  176. Auto tune with manual trans. What to delete
  177. hanging idle with cam
  178. Help! No low end power
  179. Holley 90mm TB... IAC and stalling
  180. car will turnover but not start
  181. Problems with new 408
  182. Weird PCM question
  183. E85 & PCM operating system questions.
  184. LQ4 with 04 computer timing issue
  185. JET Dynamic Spec. Tuning advice?
  186. Tunning shop around CT
  187. 01' SS underhood fuse panel diagram needed
  188. 15 mpg with stock LS1/T56 3.54 gears 2700lb car???!!
  189. need some orange plugs for EFI live
  190. Minimal sensor inputs needed
  191. LS9 MAP with 99-02 PCM?
  192. Cold Starting Issues HCI LS1
  193. Upgrading a 98 PCM to 99 PCM and HP Tuners
  194. 411pcm into a 99 Z28
  195. Locked PCM's? What to do?
  196. Help with speedometer
  197. 98 Rebuilt & tuned...still having idle issues!!! VIDEO included**
  198. FROST Tune Contact #
  199. 1998 harness question
  200. Does anyone know how to change lockup speed in HPtuners?
  201. tuning questions please help
  202. How to trigger independent A/C condenser fan?
  203. 408 having some backfiring issues
  204. Tuning for T-56 transmission swap.
  205. Help me read these spark plugs, please
  206. ECU for an LY6 engine
  207. PCM damaged...Repair or Junk?
  208. Mail Order Tunes...All created Equal?
  209. In need of HPTuners and a starting turbo tune
  210. Painless Perfect system ok to swap heads?
  211. which power programer
  212. tune issues, car wont idle
  213. LS1 pcm to run 5.3, firing order is different?
  214. PCM power question
  215. What connector is this?
  216. Tired of Security Light
  217. Another TunedbyFrost review
  218. Trans am 402 stroker tune
  219. Hp tuner not reading car
  220. O2 Sensor designation numbers
  221. Rpm Activated window switch??
  222. back to idle problem
  223. OBDII data output
  224. Southeast GA tuners???
  225. car will not start (vats)
  226. throttle cracker table
  227. throttle air flow tables
  228. Tuned by frost...
  229. 1998 ss p0449
  230. Corvette C5: How to shut off the tracktion system completely
  231. 2008 ls3 corvette bolt ons tune
  232. Tuning question for smog for tuning gurus
  233. 93 speed density tuning
  234. Codes driving me crazy
  235. Keep the VVT or delete???
  236. n00b question
  237. HP tuners help
  238. Should I dyno pre-frost-tune?
  239. what tuning program for multiple cars?
  240. Timing resistor trick, iat switches.. but no timing change
  241. Knocking Issue While holding RPM's
  242. Removing body/engine wiring harness
  243. Siemens 3172 57# injectors...
  244. Wiring Accident. Help!
  245. Lq9 H/C ls1 tune. What all to change?
  246. CAM Idle, lS2 TB & 160 Thermo Noob Question
  247. "Link Error" when connecting a scanner
  248. Knock Sensor.. Help!
  249. How do long term fuel trims work?
  250. holley efi cam tuning