View Full Version : PCM Diagnostics & Tuning



  1. Exhaust making a terrible popping!
  2. tuning strategy differences? eddy current dyno vs inertia dyno
  3. Need Holley Dominator EFI Help.
  4. Mail order tune with Cam?
  5. P0102
  6. Poor Throttle Response After 90mm Install
  7. advice on live data obd2 scan tool purchase for diag. and tune
  8. DTC help
  9. how "smooth" should a VE table look like?
  10. Car dies at cold temps and if idle to long.
  11. After megasquirt, engine cuts off at 4700rpm
  12. tuning the 5.3 questions.
  13. System Lean after header install
  14. PCM/wiring harness question
  15. 99 to 01 OS Hptuners doesnt read sensors
  16. Need Help figuring out the year of my F-body Ls1 Harness
  17. Misfire Data from Snap on Scanner MT2500
  18. Engine stalls when a/c turned on
  19. speedometer off?
  20. Misfires After Tune
  21. ecm swapping?
  22. injector flow rate vs kpa
  23. HP Numbers?
  24. Does anyone have the blue cat tool?
  25. 896 PCM, can you flash a 411 tune into it?
  26. Map sensor question
  27. Mail order tune Help
  28. southern ga tuning??
  29. Tuning bolt on
  30. Misfires on 2 and 3 at 50+Mph
  31. Help! horrible stumbling issues at low RPM
  32. Chasing My Tail....is my desired airflow suppose to be at 0?
  33. Rolling idle issues after 2 Rounds of tuning with 228R Cam. Help Please
  34. Turbo tune. Tune with no boost, low boost, or high?
  35. Thinking about learning how to tune my car, where to start?
  36. HP Tuners and tuner lock question
  37. Troube Shooting/ Tunning my 280/LSX
  38. Tune Time Performance in Lakewood
  39. PCM, ECM & BCM clarification
  40. 98 T/A with 99 harness with 02 pcm swap problems
  41. mail order tune
  42. GEN IV Truck MAIL ORDER TUNE ?WHERE?
  43. Trying to get dyno tune but I CANNOT due to my o2 sensors
  44. Long Hot Start
  45. Pegged 25% LTRIM - o2's seem ok?
  46. Found a PCM -Good for anything?
  47. Modern muscle
  48. 98 99 engine harness differences
  49. Tuners in the chicago area???
  50. I'm about to pull my hair out... AEM wideband install?
  51. Guide to Electrical Best Practices
  52. Question about VATS and tuning credits
  53. Shifting Issues
  54. VATS Tuned(or fried) itself out?!? Call me crazy
  55. where does pcm(red) #10 tach wire go???
  56. Quick question
  57. Ls2 harness help needed
  58. 99 ws6 ls2 6.0 trans am
  59. Dyno tune in southwestern PA.
  60. LT1 heads and cam timing map.
  61. Holley Efi Tuners in Indiana / Chicago ?
  62. Flashing a 99 pcm with a 2000 tune
  63. Flash a new tune - car takes several ignition cycles to start - Why?
  64. Hot start problems hunting at idle
  65. MSD6010/MS1, MS3.57, or MS3x
  66. 4.3 harness conversion to 5.3
  67. VVT with 4l60e without ISS
  68. Noob Tuner
  69. pulsing problems
  70. Picking up an 05 harness and pcm need help
  71. has anybody delt with race proven motorsports
  72. Trip odometer is resetting itself.
  73. ltft max bank 1 koeo
  74. Fuel Tank Pressure Sensor
  75. Holley efi
  76. loading up after 5k
  77. Holley Dominator 1 wideband or 2?
  78. TPS sensor code after new cam and top end install
  79. “Service Active handling” & other DIC Codes after headers/manifold/tune??
  80. Holley dominator efi
  81. Air Lid to 102 Throttle Body Coupler? MAF or SD??
  82. Need harness help, LT1 to LS(LQ4) swap
  83. HHR RWD w/LS1 computer help
  84. repin a 98
  85. Aeroforce Interceptor Gauge Owners
  86. Getting desperate!
  87. need some advice.
  88. HELP! descreened maf was told i need a new one!!?
  89. New to Site and Need Help
  90. Mail Order Tunes
  91. dwell timming issues
  92. Process For Different Computer
  93. 24x Reluctor Wheel 58x PCM Programming Fix?
  94. to MAF or not to MAF?
  95. Logging Injector Data
  96. Convert Drive by Wire to Drive by Cable
  97. Selling My HPT...in Classifieds...has $10,000 in unused credits on it
  98. P0342, P0343, P0430..heeelllpp
  99. Frost dual flash pcm
  100. 98 PCM swap to 99&up Re-pin Questions
  101. P0757 Shift solenoid b stuck on 2002 camaro
  102. 07 avalanche (l92) wiring harness and ecm on an ls2
  103. No 2-3 shift under nitrous
  104. Cost Effective Code reader?
  105. intermitten PE
  106. speed sensor code ?
  107. Troubleshooting p0133
  108. Easy tuning projects?
  109. Need help with 93 octane tune knowledge
  110. The salvage yard ripped me off..
  111. Little tuning help needed fast 102 instal
  112. anyone got a good write up on how to cure idle hang via hp tuners?
  113. So-Cal: LS Engine Dyno Tuning..Where??
  114. Does this sound like a tuning issue?
  115. rear 02 sensor delete help
  116. Any efi live tunners that can tune via e-mail?
  117. Can a 01 ls1 ECU work on 98 ls1 WITHOUT THE HARNESS?
  118. PCM or TPS problems?
  119. Looking forward to getting tune.
  120. o2 sensor
  121. first data logging not sure on what to use?
  122. Merry Christmas everyone!!
  123. NGK AFX, HPTUNERS, WIRES install
  124. Hp Tuner BE vs PE on a 3 bar OS
  125. Need help...
  126. 3 new crank sensors in 3 weeks?
  127. Tune changes with open headers?
  128. 98 formula TSP224/228 surges in park
  129. Emission Question, LT1 to LS1, possible to pass?
  130. Who got a Frost Tune?
  131. Writing problem with 03 Z06 HPT
  132. Its about time!!!!!!!
  133. Bench Top ECU /ECM Programming Cable
  134. Good Tune shop near Stamford, CT
  135. Ordered a PLX AFR gen 2 + DM-6 today, anyone here run one?
  136. Introduction | ShorTuning
  137. dyno and tuning southwest michigan northwest indiana
  138. security light, why is it on?
  139. hp tuner
  140. Engine Code P0008....
  141. E85 tuning
  142. Data log and tune
  143. How to log fuel pressure using U7198 Diablo handheld.
  144. Who would be a good canidate to tune an LT1 after a 24x Conversion by e-mail
  145. What causes tip in knock
  146. Blew stock pistons twice on twin turbo LS2 with low boost-- Please look at my tune!
  147. Stock 98 tune
  148. HELP!! IAT, MAF, Tune??
  149. speed signal
  150. Need some help with my 98
  151. Wiring help
  152. 24x 12v not 58x 5v, cross-bred GTO LS2
  153. tuners in south eastern ohio
  154. louisiana tuner
  155. same vin pcms
  156. MAF spikes to 2500 cfm.... I take it that is not normal?
  157. ls1 no power in gear
  158. Help ABS pin 20
  159. 1998 Trans Am cutting out - Can't figure it out
  160. Which tuner cable Moates or Tunercat?
  161. Who has stock-like, or better than stock, idle manners with big cam and/or big CUBES
  162. LS1 running lean....
  163. Fuel trim question
  164. Cam position sensor low input
  165. Question about PLX wideband
  166. tuners in houston area
  167. tunnig issue speed density
  168. lets talk about idle tuning!
  169. About to get tuned... can you think of anything else for me to do
  170. Another SD question
  171. Does anyone know...
  172. EFI Live and VIN number change question
  173. DBW woes...
  174. p1133 and p1153
  175. idle issue. help!!
  176. Air/Fuel ratios... is this normal?
  177. Diablo handheld question
  178. LS1 barely runs, unusual circumstances. Need serious wisdom here. Where do I start?
  179. map code and throttle fault - advice
  180. HP tuners & VVT help please!!!
  181. 99 ls1 computer w/ 5.3 truck MAF p0102
  182. PCM swap specific questions
  183. Will a bad cam sensor do this?
  184. DIABLO INTUNE users, chime in
  185. Help, 10.0 at WOT with n.o.s
  186. looking for a good tuner western pa!!
  187. Tuner near arkansas
  188. help looking for fast injectors offset timing table
  189. LS1 TPS Problem
  190. P0336 with 383 build
  191. ATTN hptuners experts. Transmission segment swap
  192. Where is the throttle blade adjusting screw on a Fast 92 TB?
  193. 5.3 tps issue
  194. Ls1 stumbles and hard start
  195. PLEASE HELP with P0342 code, Tach drops to zero
  196. Help!! Running Issues "Open Headers"
  197. Help!! Running Issues "Open Headers"
  198. 2002 5.3 wit a 4l60 into a 79 malibu
  199. tune shop
  200. HELP PLEASE!! i need help from a hptuners guru..
  201. Megasquirt or factory PCM and standalone harness?
  202. What codes to delete 4l80e swap
  203. Go SD or stay MAF?
  204. recomend a tuner in dallas area
  205. autometer speedo not working..help please
  206. Rough idle and stalls
  207. 2.5 Bar map with a 98 PCM
  208. Cold start issues = not enough air with Fast 92 TB
  209. MS3 CAM + HP TUNER Help
  210. Runs Like S***
  211. EFI Live injector tuning with turbo question..
  212. Quick prestartup question
  213. Wtf is this??
  214. dyno tune vs mail order
  215. PCM help
  216. Where to mount my LS1 computer in my 69 Camaro?
  217. PCM requests TCS to be Disabled???????
  218. got 2* of knock at the track, need some help
  219. bad miss/stumble
  220. Controlling a fixed displacement AC compressor with a 99-02 f-body PCM questions...
  221. nnbs intake swap on l33
  222. 6.0 stays in open loop
  223. gen4 wiring
  224. 1-Bar SD Tune in FL/AL/MS/GA
  225. Maf question...
  226. What is the worse that can happen?
  227. ls ECU MCU ID#?
  228. losing throttle input
  229. calling a experienced tuning expert
  230. NB O2's & Lean WOT
  231. UnPlug Map Sensor, Idles ok, Plug in MAP sensor, no good - HELP
  232. Auto tune with manual trans. What to delete
  233. hanging idle with cam
  234. Help! No low end power
  235. Holley 90mm TB... IAC and stalling
  236. car will turnover but not start
  237. Problems with new 408
  238. Weird PCM question
  239. E85 & PCM operating system questions.
  240. LQ4 with 04 computer timing issue
  241. JET Dynamic Spec. Tuning advice?
  242. Tunning shop around CT
  243. 01' SS underhood fuse panel diagram needed
  244. 15 mpg with stock LS1/T56 3.54 gears 2700lb car???!!
  245. need some orange plugs for EFI live
  246. Minimal sensor inputs needed
  247. LS9 MAP with 99-02 PCM?
  248. Cold Starting Issues HCI LS1
  249. Upgrading a 98 PCM to 99 PCM and HP Tuners
  250. 411pcm into a 99 Z28