View Full Version : PCM Diagnostics & Tuning



  1. Questionable engine - want to hear it run before having it tuned...
  2. Exhaust making a terrible popping!
  3. tuning strategy differences? eddy current dyno vs inertia dyno
  4. Need Holley Dominator EFI Help.
  5. Making a base tune for 5.3 swapped Fox
  6. Mail order tune with Cam?
  7. P0102
  8. Poor Throttle Response After 90mm Install
  9. advice on live data obd2 scan tool purchase for diag. and tune
  10. DTC help
  11. how "smooth" should a VE table look like?
  12. Car dies at cold temps and if idle to long.
  13. After megasquirt, engine cuts off at 4700rpm
  14. tuning the 5.3 questions.
  15. System Lean after header install
  16. PCM/wiring harness question
  17. 99 to 01 OS Hptuners doesnt read sensors
  18. Need Help figuring out the year of my F-body Ls1 Harness
  19. Misfire Data from Snap on Scanner MT2500
  20. Engine stalls when a/c turned on
  21. speedometer off?
  22. Misfires After Tune
  23. ecm swapping?
  24. injector flow rate vs kpa
  25. HP Numbers?
  26. Does anyone have the blue cat tool?
  27. 896 PCM, can you flash a 411 tune into it?
  28. Map sensor question
  29. Mail order tune Help
  30. southern ga tuning??
  31. Tuning bolt on
  32. Misfires on 2 and 3 at 50+Mph
  33. Help! horrible stumbling issues at low RPM
  34. Chasing My Tail....is my desired airflow suppose to be at 0?
  35. Rolling idle issues after 2 Rounds of tuning with 228R Cam. Help Please
  36. Turbo tune. Tune with no boost, low boost, or high?
  37. Thinking about learning how to tune my car, where to start?
  38. HP Tuners and tuner lock question
  39. Troube Shooting/ Tunning my 280/LSX
  40. Tune Time Performance in Lakewood
  41. PCM, ECM & BCM clarification
  42. 98 T/A with 99 harness with 02 pcm swap problems
  43. mail order tune
  44. GEN IV Truck MAIL ORDER TUNE ?WHERE?
  45. Trying to get dyno tune but I CANNOT due to my o2 sensors
  46. Long Hot Start
  47. Pegged 25% LTRIM - o2's seem ok?
  48. Found a PCM -Good for anything?
  49. Modern muscle
  50. 98 99 engine harness differences
  51. Tuners in the chicago area???
  52. I'm about to pull my hair out... AEM wideband install?
  53. Guide to Electrical Best Practices
  54. Question about VATS and tuning credits
  55. Shifting Issues
  56. VATS Tuned(or fried) itself out?!? Call me crazy
  57. where does pcm(red) #10 tach wire go???
  58. Quick question
  59. Ls2 harness help needed
  60. 99 ws6 ls2 6.0 trans am
  61. Dyno tune in southwestern PA.
  62. LT1 heads and cam timing map.
  63. Holley Efi Tuners in Indiana / Chicago ?
  64. Flashing a 99 pcm with a 2000 tune
  65. Flash a new tune - car takes several ignition cycles to start - Why?
  66. Hot start problems hunting at idle
  67. MSD6010/MS1, MS3.57, or MS3x
  68. 4.3 harness conversion to 5.3
  69. VVT with 4l60e without ISS
  70. Noob Tuner
  71. pulsing problems
  72. Picking up an 05 harness and pcm need help
  73. has anybody delt with race proven motorsports
  74. Trip odometer is resetting itself.
  75. ltft max bank 1 koeo
  76. Fuel Tank Pressure Sensor
  77. Holley efi
  78. loading up after 5k
  79. Holley Dominator 1 wideband or 2?
  80. TPS sensor code after new cam and top end install
  81. “Service Active handling” & other DIC Codes after headers/manifold/tune??
  82. Holley dominator efi
  83. Air Lid to 102 Throttle Body Coupler? MAF or SD??
  84. Need harness help, LT1 to LS(LQ4) swap
  85. HHR RWD w/LS1 computer help
  86. repin a 98
  87. Aeroforce Interceptor Gauge Owners
  88. Want to Sell Tuning School beginners guide
  89. Getting desperate!
  90. need some advice.
  91. HELP! descreened maf was told i need a new one!!?
  92. New to Site and Need Help
  93. Mail Order Tunes
  94. dwell timming issues
  95. Process For Different Computer
  96. 24x Reluctor Wheel 58x PCM Programming Fix?
  97. to MAF or not to MAF?
  98. Logging Injector Data
  99. Convert Drive by Wire to Drive by Cable
  100. Selling My HPT...in Classifieds...has $10,000 in unused credits on it
  101. P0342, P0343, P0430..heeelllpp
  102. Frost dual flash pcm
  103. 98 PCM swap to 99&up Re-pin Questions
  104. P0757 Shift solenoid b stuck on 2002 camaro
  105. 07 avalanche (l92) wiring harness and ecm on an ls2
  106. No 2-3 shift under nitrous
  107. Cost Effective Code reader?
  108. intermitten PE
  109. speed sensor code ?
  110. Troubleshooting p0133
  111. Easy tuning projects?
  112. Need help with 93 octane tune knowledge
  113. The salvage yard ripped me off..
  114. Little tuning help needed fast 102 instal
  115. anyone got a good write up on how to cure idle hang via hp tuners?
  116. So-Cal: LS Engine Dyno Tuning..Where??
  117. Does this sound like a tuning issue?
  118. rear 02 sensor delete help
  119. Any efi live tunners that can tune via e-mail?
  120. Can a 01 ls1 ECU work on 98 ls1 WITHOUT THE HARNESS?
  121. PCM or TPS problems?
  122. Looking forward to getting tune.
  123. o2 sensor
  124. first data logging not sure on what to use?
  125. Merry Christmas everyone!!
  126. NGK AFX, HPTUNERS, WIRES install
  127. Hp Tuner BE vs PE on a 3 bar OS
  128. Need help...
  129. 3 new crank sensors in 3 weeks?
  130. Tune changes with open headers?
  131. 98 formula TSP224/228 surges in park
  132. Emission Question, LT1 to LS1, possible to pass?
  133. Who got a Frost Tune?
  134. Writing problem with 03 Z06 HPT
  135. Its about time!!!!!!!
  136. Bench Top ECU /ECM Programming Cable
  137. Good Tune shop near Stamford, CT
  138. Ordered a PLX AFR gen 2 + DM-6 today, anyone here run one?
  139. Introduction | ShorTuning
  140. dyno and tuning southwest michigan northwest indiana
  141. security light, why is it on?
  142. hp tuner
  143. Engine Code P0008....
  144. E85 tuning
  145. Data log and tune
  146. How to log fuel pressure using U7198 Diablo handheld.
  147. Who would be a good canidate to tune an LT1 after a 24x Conversion by e-mail
  148. What causes tip in knock
  149. Blew stock pistons twice on twin turbo LS2 with low boost-- Please look at my tune!
  150. Stock 98 tune
  151. HELP!! IAT, MAF, Tune??
  152. speed signal
  153. Need some help with my 98
  154. Wiring help
  155. 24x 12v not 58x 5v, cross-bred GTO LS2
  156. tuners in south eastern ohio
  157. louisiana tuner
  158. same vin pcms
  159. MAF spikes to 2500 cfm.... I take it that is not normal?
  160. ls1 no power in gear
  161. Help ABS pin 20
  162. 1998 Trans Am cutting out - Can't figure it out
  163. Which tuner cable Moates or Tunercat?
  164. Who has stock-like, or better than stock, idle manners with big cam and/or big CUBES
  165. LS1 running lean....
  166. Fuel trim question
  167. Cam position sensor low input
  168. Question about PLX wideband
  169. tuners in houston area
  170. tunnig issue speed density
  171. lets talk about idle tuning!
  172. About to get tuned... can you think of anything else for me to do
  173. Another SD question
  174. Does anyone know...
  175. EFI Live and VIN number change question
  176. DBW woes...
  177. p1133 and p1153
  178. idle issue. help!!
  179. Air/Fuel ratios... is this normal?
  180. Diablo handheld question
  181. LS1 barely runs, unusual circumstances. Need serious wisdom here. Where do I start?
  182. map code and throttle fault - advice
  183. HP tuners & VVT help please!!!
  184. 99 ls1 computer w/ 5.3 truck MAF p0102
  185. PCM swap specific questions
  186. Will a bad cam sensor do this?
  187. DIABLO INTUNE users, chime in
  188. Help, 10.0 at WOT with n.o.s
  189. looking for a good tuner western pa!!
  190. Tuner near arkansas
  191. help looking for fast injectors offset timing table
  192. LS1 TPS Problem
  193. P0336 with 383 build
  194. ATTN hptuners experts. Transmission segment swap
  195. Where is the throttle blade adjusting screw on a Fast 92 TB?
  196. 5.3 tps issue
  197. Ls1 stumbles and hard start
  198. PLEASE HELP with P0342 code, Tach drops to zero
  199. Help!! Running Issues "Open Headers"
  200. Help!! Running Issues "Open Headers"
  201. 2002 5.3 wit a 4l60 into a 79 malibu
  202. tune shop
  203. HELP PLEASE!! i need help from a hptuners guru..
  204. Megasquirt or factory PCM and standalone harness?
  205. What codes to delete 4l80e swap
  206. Go SD or stay MAF?
  207. recomend a tuner in dallas area
  208. autometer speedo not working..help please
  209. Rough idle and stalls
  210. 2.5 Bar map with a 98 PCM
  211. Cold start issues = not enough air with Fast 92 TB
  212. MS3 CAM + HP TUNER Help
  213. Runs Like S***
  214. EFI Live injector tuning with turbo question..
  215. Quick prestartup question
  216. Wtf is this??
  217. dyno tune vs mail order
  218. PCM help
  219. Where to mount my LS1 computer in my 69 Camaro?
  220. PCM requests TCS to be Disabled???????
  221. got 2* of knock at the track, need some help
  222. bad miss/stumble
  223. Controlling a fixed displacement AC compressor with a 99-02 f-body PCM questions...
  224. nnbs intake swap on l33
  225. 6.0 stays in open loop
  226. gen4 wiring
  227. 1-Bar SD Tune in FL/AL/MS/GA
  228. Maf question...
  229. What is the worse that can happen?
  230. ls ECU MCU ID#?
  231. losing throttle input
  232. calling a experienced tuning expert
  233. NB O2's & Lean WOT
  234. UnPlug Map Sensor, Idles ok, Plug in MAP sensor, no good - HELP
  235. Auto tune with manual trans. What to delete
  236. hanging idle with cam
  237. Help! No low end power
  238. Holley 90mm TB... IAC and stalling
  239. car will turnover but not start
  240. Problems with new 408
  241. Weird PCM question
  242. E85 & PCM operating system questions.
  243. LQ4 with 04 computer timing issue
  244. JET Dynamic Spec. Tuning advice?
  245. Tunning shop around CT
  246. 01' SS underhood fuse panel diagram needed
  247. 15 mpg with stock LS1/T56 3.54 gears 2700lb car???!!
  248. need some orange plugs for EFI live
  249. Minimal sensor inputs needed
  250. LS9 MAP with 99-02 PCM?