View Full Version : PCM Diagnostics & Tuning



  1. speedometer off?
  2. Misfires After Tune
  3. ecm swapping?
  4. injector flow rate vs kpa
  5. HP Numbers?
  6. Does anyone have the blue cat tool?
  7. 896 PCM, can you flash a 411 tune into it?
  8. Map sensor question
  9. Mail order tune Help
  10. southern ga tuning??
  11. Tuning bolt on
  12. Misfires on 2 and 3 at 50+Mph
  13. Help! horrible stumbling issues at low RPM
  14. Chasing My Tail....is my desired airflow suppose to be at 0?
  15. Rolling idle issues after 2 Rounds of tuning with 228R Cam. Help Please
  16. Turbo tune. Tune with no boost, low boost, or high?
  17. Thinking about learning how to tune my car, where to start?
  18. HP Tuners and tuner lock question
  19. Troube Shooting/ Tunning my 280/LSX
  20. Tune Time Performance in Lakewood
  21. PCM, ECM & BCM clarification
  22. 98 T/A with 99 harness with 02 pcm swap problems
  23. mail order tune
  24. GEN IV Truck MAIL ORDER TUNE ?WHERE?
  25. Trying to get dyno tune but I CANNOT due to my o2 sensors
  26. Long Hot Start
  27. Pegged 25% LTRIM - o2's seem ok?
  28. Found a PCM -Good for anything?
  29. Modern muscle
  30. 98 99 engine harness differences
  31. Tuners in the chicago area???
  32. I'm about to pull my hair out... AEM wideband install?
  33. Guide to Electrical Best Practices
  34. Question about VATS and tuning credits
  35. Shifting Issues
  36. VATS Tuned(or fried) itself out?!? Call me crazy
  37. where does pcm(red) #10 tach wire go???
  38. Quick question
  39. Ls2 harness help needed
  40. 99 ws6 ls2 6.0 trans am
  41. Dyno tune in southwestern PA.
  42. LT1 heads and cam timing map.
  43. Holley Efi Tuners in Indiana / Chicago ?
  44. Flashing a 99 pcm with a 2000 tune
  45. Flash a new tune - car takes several ignition cycles to start - Why?
  46. Hot start problems hunting at idle
  47. MSD6010/MS1, MS3.57, or MS3x
  48. 4.3 harness conversion to 5.3
  49. VVT with 4l60e without ISS
  50. Noob Tuner
  51. pulsing problems
  52. Picking up an 05 harness and pcm need help
  53. has anybody delt with race proven motorsports
  54. Trip odometer is resetting itself.
  55. ltft max bank 1 koeo
  56. Fuel Tank Pressure Sensor
  57. Holley efi
  58. loading up after 5k
  59. Holley Dominator 1 wideband or 2?
  60. TPS sensor code after new cam and top end install
  61. “Service Active handling” & other DIC Codes after headers/manifold/tune??
  62. Holley dominator efi
  63. Air Lid to 102 Throttle Body Coupler? MAF or SD??
  64. Need harness help, LT1 to LS(LQ4) swap
  65. HHR RWD w/LS1 computer help
  66. repin a 98
  67. Aeroforce Interceptor Gauge Owners
  68. Getting desperate!
  69. need some advice.
  70. HELP! descreened maf was told i need a new one!!?
  71. New to Site and Need Help
  72. Mail Order Tunes
  73. dwell timming issues
  74. Process For Different Computer
  75. 24x Reluctor Wheel 58x PCM Programming Fix?
  76. to MAF or not to MAF?
  77. Logging Injector Data
  78. Convert Drive by Wire to Drive by Cable
  79. Selling My HPT...in Classifieds...has $10,000 in unused credits on it
  80. P0342, P0343, P0430..heeelllpp
  81. Frost dual flash pcm
  82. 98 PCM swap to 99&up Re-pin Questions
  83. P0757 Shift solenoid b stuck on 2002 camaro
  84. 07 avalanche (l92) wiring harness and ecm on an ls2
  85. No 2-3 shift under nitrous
  86. Cost Effective Code reader?
  87. intermitten PE
  88. speed sensor code ?
  89. Troubleshooting p0133
  90. Easy tuning projects?
  91. Need help with 93 octane tune knowledge
  92. The salvage yard ripped me off..
  93. Little tuning help needed fast 102 instal
  94. anyone got a good write up on how to cure idle hang via hp tuners?
  95. So-Cal: LS Engine Dyno Tuning..Where??
  96. Does this sound like a tuning issue?
  97. rear 02 sensor delete help
  98. Any efi live tunners that can tune via e-mail?
  99. Can a 01 ls1 ECU work on 98 ls1 WITHOUT THE HARNESS?
  100. PCM or TPS problems?
  101. Looking forward to getting tune.
  102. o2 sensor
  103. first data logging not sure on what to use?
  104. Merry Christmas everyone!!
  105. NGK AFX, HPTUNERS, WIRES install
  106. Hp Tuner BE vs PE on a 3 bar OS
  107. Need help...
  108. 3 new crank sensors in 3 weeks?
  109. Tune changes with open headers?
  110. 98 formula TSP224/228 surges in park
  111. Emission Question, LT1 to LS1, possible to pass?
  112. Who got a Frost Tune?
  113. Writing problem with 03 Z06 HPT
  114. Its about time!!!!!!!
  115. Bench Top ECU /ECM Programming Cable
  116. Good Tune shop near Stamford, CT
  117. Ordered a PLX AFR gen 2 + DM-6 today, anyone here run one?
  118. Introduction | ShorTuning
  119. dyno and tuning southwest michigan northwest indiana
  120. security light, why is it on?
  121. hp tuner
  122. Engine Code P0008....
  123. E85 tuning
  124. Data log and tune
  125. How to log fuel pressure using U7198 Diablo handheld.
  126. Who would be a good canidate to tune an LT1 after a 24x Conversion by e-mail
  127. What causes tip in knock
  128. Blew stock pistons twice on twin turbo LS2 with low boost-- Please look at my tune!
  129. Stock 98 tune
  130. HELP!! IAT, MAF, Tune??
  131. speed signal
  132. Need some help with my 98
  133. Wiring help
  134. 24x 12v not 58x 5v, cross-bred GTO LS2
  135. tuners in south eastern ohio
  136. louisiana tuner
  137. same vin pcms
  138. MAF spikes to 2500 cfm.... I take it that is not normal?
  139. ls1 no power in gear
  140. Help ABS pin 20
  141. 1998 Trans Am cutting out - Can't figure it out
  142. Which tuner cable Moates or Tunercat?
  143. Who has stock-like, or better than stock, idle manners with big cam and/or big CUBES
  144. LS1 running lean....
  145. Fuel trim question
  146. Cam position sensor low input
  147. Question about PLX wideband
  148. tuners in houston area
  149. tunnig issue speed density
  150. lets talk about idle tuning!
  151. About to get tuned... can you think of anything else for me to do
  152. Another SD question
  153. Does anyone know...
  154. EFI Live and VIN number change question
  155. DBW woes...
  156. p1133 and p1153
  157. idle issue. help!!
  158. Air/Fuel ratios... is this normal?
  159. Diablo handheld question
  160. LS1 barely runs, unusual circumstances. Need serious wisdom here. Where do I start?
  161. map code and throttle fault - advice
  162. HP tuners & VVT help please!!!
  163. 99 ls1 computer w/ 5.3 truck MAF p0102
  164. PCM swap specific questions
  165. Will a bad cam sensor do this?
  166. DIABLO INTUNE users, chime in
  167. Help, 10.0 at WOT with n.o.s
  168. looking for a good tuner western pa!!
  169. Tuner near arkansas
  170. help looking for fast injectors offset timing table
  171. LS1 TPS Problem
  172. P0336 with 383 build
  173. ATTN hptuners experts. Transmission segment swap
  174. Where is the throttle blade adjusting screw on a Fast 92 TB?
  175. 5.3 tps issue
  176. Ls1 stumbles and hard start
  177. PLEASE HELP with P0342 code, Tach drops to zero
  178. Help!! Running Issues "Open Headers"
  179. Help!! Running Issues "Open Headers"
  180. 2002 5.3 wit a 4l60 into a 79 malibu
  181. tune shop
  182. HELP PLEASE!! i need help from a hptuners guru..
  183. Megasquirt or factory PCM and standalone harness?
  184. What codes to delete 4l80e swap
  185. Go SD or stay MAF?
  186. recomend a tuner in dallas area
  187. autometer speedo not working..help please
  188. Rough idle and stalls
  189. 2.5 Bar map with a 98 PCM
  190. Cold start issues = not enough air with Fast 92 TB
  191. MS3 CAM + HP TUNER Help
  192. Runs Like S***
  193. EFI Live injector tuning with turbo question..
  194. Quick prestartup question
  195. Wtf is this??
  196. dyno tune vs mail order
  197. PCM help
  198. Where to mount my LS1 computer in my 69 Camaro?
  199. PCM requests TCS to be Disabled???????
  200. got 2* of knock at the track, need some help
  201. bad miss/stumble
  202. Controlling a fixed displacement AC compressor with a 99-02 f-body PCM questions...
  203. nnbs intake swap on l33
  204. 6.0 stays in open loop
  205. gen4 wiring
  206. 1-Bar SD Tune in FL/AL/MS/GA
  207. Maf question...
  208. What is the worse that can happen?
  209. ls ECU MCU ID#?
  210. losing throttle input
  211. calling a experienced tuning expert
  212. NB O2's & Lean WOT
  213. UnPlug Map Sensor, Idles ok, Plug in MAP sensor, no good - HELP
  214. Auto tune with manual trans. What to delete
  215. hanging idle with cam
  216. Help! No low end power
  217. Holley 90mm TB... IAC and stalling
  218. car will turnover but not start
  219. Problems with new 408
  220. Weird PCM question
  221. E85 & PCM operating system questions.
  222. LQ4 with 04 computer timing issue
  223. JET Dynamic Spec. Tuning advice?
  224. Tunning shop around CT
  225. 01' SS underhood fuse panel diagram needed
  226. 15 mpg with stock LS1/T56 3.54 gears 2700lb car???!!
  227. need some orange plugs for EFI live
  228. Minimal sensor inputs needed
  229. LS9 MAP with 99-02 PCM?
  230. Cold Starting Issues HCI LS1
  231. Upgrading a 98 PCM to 99 PCM and HP Tuners
  232. 411pcm into a 99 Z28
  233. Locked PCM's? What to do?
  234. Help with speedometer
  235. 98 Rebuilt & tuned...still having idle issues!!! VIDEO included**
  236. FROST Tune Contact #
  237. 1998 harness question
  238. Does anyone know how to change lockup speed in HPtuners?
  239. tuning questions please help
  240. How to trigger independent A/C condenser fan?
  241. 408 having some backfiring issues
  242. Tuning for T-56 transmission swap.
  243. Help me read these spark plugs, please
  244. ECU for an LY6 engine
  245. PCM damaged...Repair or Junk?
  246. Mail Order Tunes...All created Equal?
  247. In need of HPTuners and a starting turbo tune
  248. Painless Perfect system ok to swap heads?
  249. which power programer
  250. tune issues, car wont idle