View Full Version : PCM Diagnostics & Tuning



  1. tuning ltft's.. changes dont do anything?
  2. Check Engine light with a system lean code
  3. Help Code Thrown
  4. hptuners looking to order any tips 2 start
  5. What temp does the IAT start to retard timing?
  6. Should I reset ECM
  7. Engine code states"slow response from o2"????
  8. Need Help
  9. MAF worksheet for EFILive
  10. Tuning for 97-98 Vette...
  11. Running out of ideas on this cold surging. Please help.
  12. I am stumped on this one
  13. Security Light
  14. Car acts up after wash!!! Help
  15. Throwing 10 Codes Neep Help ASAP
  16. What's a good PE scale factor for 10.5 AFR
  17. 2003 2500 Van wiring harness - compatible with 5.7L??
  18. trying to install Performance Tune from PREDATOR , getting Script Error message !
  19. TCC settings for C5
  20. I dont now How to tune the cam shuft
  21. HPTuners and LM-1 not equal
  22. Second SES light...
  23. WIN!! A $100 discount or Free Car License upgrade for your Efilive!
  24. Issue with connection...HP Tuners
  25. If I move the IAT closer to the TB, would it give better readings?
  26. MAP Code P0106, what could cause it???
  27. Throwing 10 Codes!!!! help me ASAP
  28. How to Tune on dyno?
  29. tuning question
  30. Does Granatelli make a Predator for 2005 5.3 Silverados?
  31. new engine- couple questions
  32. Need some LS1 Edit Tuning Help
  33. P0140 Bank 1 Sensor 2 Insufficient -help-
  34. Anyone using ProScan 2.0 ?
  35. PROS and CONS of SPEED DENSITY?
  36. my car wont run
  37. BMN tach wire problem...
  38. LC-1 doesnt work!
  39. Header Can = False Knock?
  40. What Sponsor sells the MAF Harness LS1 to 85 MM
  41. MAF numbers- what way to rich?
  42. Looking for Mafless Twin turbo LS1Bin's
  43. Buy HP Tuners or Pay to have it done?
  44. Pretty sure Maf is bad
  45. tranny shifting hard in SD mode
  46. RPM's dip slightly when moving 1-2MPH in Neutral, Why?
  47. LTFT problems....
  48. Neutral Safety Switch in M6...
  49. Have C6 vette and ready to buy LS2 editing software
  50. taching up and responce comparing
  51. Mystery table...
  52. How to contact Kirk formerly of APE
  53. Question about the bin files?
  54. T/M question
  55. Slight part throttle hesitation....
  56. How to check if PCM is Auto or Manual?
  57. rich/lean switch points and o2 gain vs error
  58. Electrical/Resistor Question! PLEASE HELP
  59. scan tool
  60. MAF values!?!?!?
  61. About a custom wiring harness
  62. Torque management and Tunercat users
  63. LM-1 Box and HP Tuners EIO don't read the same...
  64. Wideband accuracy behind...
  65. OBD2 Code reader - Harbor Freight
  66. iac position vs. effective area
  67. a/f ratio gauge
  68. efilive non transferable?
  69. Best Tuning program?
  70. 100+ degree IAT affect performance?
  71. Throwing Codes..
  72. Crank Sensor Issues?
  73. LS1 Edit's F$@!ed me for the last time!
  74. Fuel guage pegged past full... help troubleshooting?
  75. Another Question about MAF airflow vs.Output Frequency with HP Tuners
  76. Mass air question
  77. what can i do to fix hanging cold revs?
  78. help,,throwing a po106 code
  79. Anyone heard if BS3 is in legal trouble?
  80. LC-1 How-to hook up to EFILive
  81. KR Only in OD on A4
  82. Speed Sensor
  83. EFI Custom GAGE Contest 56k warning
  84. What are the basic tuning no no's?
  85. Falls on face
  86. need H/C tuning help
  87. Keep blowing engine sensor fuse and P0102 SES
  88. EFI How-to
  89. HP Tuners without Laptop?
  90. HP Tuners logging problem...
  91. First WBO2 log/tune
  92. Whats your opinion?????
  93. Required Changes for Increased Fuel Pressure
  94. Looking for cheap way to view knock retard, used Predator or other suggestions?
  95. Using HP Tuners to tune out Codes
  96. EMISSIONS! HELP!!!!!! o2 Simulators?
  97. question about weird o2 problems, inconsistant bank to bank fueling?
  98. any one with HP Tuners have a High Octane Spark Tab I can see, has a cam like mine?
  99. wideband vs o2 voltage results
  100. P0158 and fuel pressure
  101. superchip micro tuner
  102. Threw a p1133 code what is it?
  103. partial log file inside, wierd 02 voltage numbers
  104. Crane/Vinci for stock 99 Trans Am
  105. Need Approximate Coast Down Curve for LS1 F-body
  106. Predator issues... HELP!!!
  107. startup spark correction, with a cam can you increase the numbers?
  108. SLP Speedo Recal Black Box
  109. Help with Trans tuning!
  110. Predator Question & Code
  111. Convert an Edit tune to HP Tuner?How?
  112. Bad O2? or Bad Injector? or ???
  113. 40/60/80 method
  114. question about ECT spark advance correction
  115. question about start up flare control vs rpm error
  116. Diablo Help!!!!!!!!
  117. Knock Retard in Open Loop
  118. where do i start reading guys?
  119. zero degrees timing advance!?
  120. New sensor still throwing 121??
  121. rpms surging during cold start. wtf?
  122. GM Computer Updates?
  123. 2 Step with HPT...
  124. 125% duty cycle on injectors
  125. How do I switch from 3 channel to 4 chan. ABS????
  126. A4 downshift double surge???
  127. rich condition
  128. SES light P0751...HELP!
  129. Anyone ever figure out hot start issues?
  130. hp tuners and tire sizes
  131. air/fuel ratio question?
  132. Please help! Hesitation when shifting! I think it is tuning related.
  133. Idle problem!
  134. Hptuners + wideband + boost = I don't know how to tune it
  135. Hp Tuner Question
  136. Accel Gen 7 My experience
  137. IFR for 42lb Injectors??
  138. open loop vs. closed loop
  139. Power Enrichment Table /rpm
  140. misfire counts are at 0, with cam?
  141. IAC counts were jumpy, used to be 30 now 60? what gives?
  142. computer throwing codes
  143. Looking for IAT sensor pigtail?
  144. IAC in HPTuners help.
  145. Wideband hooked up to HPtuners. Now what?
  146. Very intresting find on Bosch part#0280155868
  147. Want to order HPTuners, got some questions
  148. best to start out
  149. Should I get a tune?
  150. AT1 Download
  151. P0327 Knock Sensor code won't go away
  152. Ram Air and Dyno Tuning???
  153. Desired Torque only 350?
  154. Need Some Help...
  155. tuning help
  156. ls1 edit question
  157. Timing Question
  158. Reflashing the PCM, How does that work?
  159. EFILive .map's/custom PID's
  160. about to install cam, what to change
  161. Quick Timing Lingo Question
  162. HPT VCM Suite Help Guide - Fuel System
  163. hp tuners, what is best to find a misfire
  164. pulling timming?
  165. PE vs. rpm question
  166. good place for instillation and comp. reprograming
  167. Help With Vinci Tuner
  168. How the heck do you read the Excel File once you export?
  169. Tunning question with mew MAF....need input...
  170. Tune & Dyno Costs???
  171. how do i tune for my cam?
  172. Car cranks but won't start.
  173. Dual Wide Band hookup?
  174. Help, I fugged up
  175. 4,000 RPM's and its hits a limiter HELPPPPPPP
  176. Please Help ASAP,Need Bosch Part Number for O2 sensor
  177. Q: Wideband and Air Pump
  178. STFT's still active in open loop?
  179. Efilive Flashscan Rocks
  180. SES Light
  181. modified car- what do i tune? wont run right
  182. where on hptuners do you find the misfire history
  183. Mounting PCM? Does it need grounding?
  184. What VSS values?
  185. o2 code question
  186. Regarding "dynamic air" measurement....
  187. I'm going to take a hammer to this POS
  188. LS2 programming harnesses available now
  189. throwing a code...please help
  190. HP tuners
  191. Crash Tuning Course
  192. Anyone use one of these? could be MEGA cool
  193. ecm problm
  194. Help with engine warning light
  195. LC-1 to HPT Enhanced Input Output wiring
  196. code 1638 5v reference? what is it?
  197. calibrating kr tables
  198. switched and fused +12V source
  199. More "simple" questions
  200. LC-1 and narrowband simulation
  201. Wiring harness/ECM question
  202. Anyone see why there are misfires?
  203. I thought STFT & LTFT range from -25 through +25?
  204. SES Light Code 1133 MAF sensor?
  205. Throttle Position code?
  206. Anyone have an STS tune???
  207. Tranny issues/shift points,etc...
  208. Idle problems...help
  209. Transmission calibration table for ls1 edit
  210. ses light
  211. HELP with Idle tuning using HPtuners ASAP!!!!
  212. Where to buy EFILive?
  213. help me with these codes and how to fix please
  214. A4 tuning... ROCK AND ROLL!!!!
  215. Doesn't HP Tuners have a compare function?
  216. HP Tuners Missfire sensitivity
  217. Diablo is jacked up!!!
  218. dead Crank sensor + tach signal?
  219. AFR in SD
  220. intermittent electrical/sensor/VCM problem?
  221. predator and serial cable
  222. Spark VS Airtemp table modifications
  223. Car won't run without maf
  224. wideband o2 questions
  225. timing and AFR from Tech 2 scanner...
  226. EFILive competition
  227. using wideband to tune??
  228. Disable rear o2s
  229. Snap on MicroScan Scan tool
  230. Think I am going to go mafless
  231. Caspers fan switch
  232. code p1870 tranny component slipping
  233. LS1 Edit Repository?
  234. Stock computer??
  235. LS2 Edit.
  236. do i need a tune?
  237. SES, Low Maf signal and Random Miss
  238. my ltfts...they are mostly negative
  239. Where in edit to change max line pressure?
  240. LT1 File database
  241. MAFless tuning question
  242. Unplugged MAF and no code
  243. CAT/lean codes + 25% LTFT
  244. HP Tuners rocks!!
  245. books on tuning ?????
  246. Rev limiter?
  247. 2000 LS1 electronic throttle disable
  248. How much timing are you running with 400+ ci?
  249. MAF descreening-wierd idle after
  250. AFR Question