View Full Version : PCM Diagnostics & Tuning



  1. Ls1 Edit or HP Tuners
  2. Quick disconnect resistance concern
  3. sputtering under light load
  4. 42 LB f. iNJECTORS AND RACETRONIX 255L/H
  5. Car won't stop starting
  6. working on a new timing table, need some opinions
  7. LTIT Slow or immobile need input...
  8. Cant get the TPS Voltage to reset to zero.
  9. Tuner Experience At Dick & Connies in Clairmont
  10. HP Tuners Customer Support Rocks!
  11. Idle tuned prior to MAF or doesnt matter?
  12. o2 sensor info please help
  13. when entering numbers for iac park airflow, how do you find the right values?
  14. once in closed loop, airflow at idle goes up?
  15. Wiring harness available to run stock gauges/etc with aftermarket engine management
  16. LS1 Edit Upgrade
  17. Need help!! Engine won`t idle...
  18. Wideband AFR is different then what is commanded......
  19. AIR question (hptuners)
  20. No codes but engine check light on dash
  21. Speedometer reading is wrong , after Crane Power Tuner installed !
  22. Have a dip in Spark vs Airflow is it normal?
  23. Injector Control Circuit problems
  24. after part throttle tuning???
  25. All LS1 sensors
  26. A/C + big cams and idle..
  27. AutoTap vs. O2's?
  28. P0140: Bank 1 Sensor 2 (not active)
  29. O2 Sensors?
  30. Emergency help..WTF?
  31. Swapping a 1998 Trans am to a 1999 motor
  32. 90mm TB & Tuning with LS1-Edit
  33. Ok ,after flashing with HP Tuners ,Now I dont Have Cruise control
  34. p0300 misfire code help
  35. What could make my tranny shift late?
  36. spuradic kr at wot pic attached
  37. LS1Edit code reader - beta version
  38. Installing OBD-2 software - error messages
  39. any input?
  40. Best place for me to get tuned for new cam and n2o??
  41. bad idle problems
  42. Going back to stock....tuning questions!!!!
  43. p1154 and p0153
  44. Car Drives Like SH!T!!! MAF Sensor?
  45. Cam tuning?
  46. Tuning VE via the LTRMs Write-Up
  47. converter
  48. More Newbie EFI Live Questions
  49. solid motor mounts
  50. Pics of Monitoring Screen, Wideband/ Maximizer 2
  51. Need tuning or bad converter?
  52. KEN KELLY contact
  53. O2 sim degradation?
  54. Viewing error codes
  55. I need closed loop operation!!!
  56. P1153 Code
  57. afterstart enrichment, ect? how does it work
  58. lo res and hi res commanded afr in hp tuners, what is it??
  59. Can you tune around unbalanced banks (i.e., one leaner than the other)?
  60. some guided wisdom needed
  61. What happened to my car!?!
  62. Re-calibrate the MAF??
  63. m6 to a4 conversion
  64. HELP!!!!!!!!! car studdrs like hell
  65. ? about Pro Scan
  66. 02s, Evap read incomplete
  67. Convert 4 channel to 3 channel?
  68. IAC Park Position Airflow vs IAT, what does it do?
  69. HP tuners connection problem
  70. Check Engine
  71. 80 miles of driving...What kind of driving to I need???
  72. where can I get a good dyno tune Nashville TN area?
  73. laptop holder for the car
  74. Is this real knock retard? I am pretty sure...just looking for another opinion...
  75. Switch to true open loop tune
  76. tuning for the newbie
  77. throttle comes down slowly and jumps before idle
  78. Anyone Have P0171 Code Set?
  79. Last value or average on Histogram??
  80. Part Number for 98 SS PCM?
  81. open loop fueling question
  82. part throttle timing?
  83. little help with tuning ???
  84. Positive LTFT's, stock tune, tuning VE?
  85. Tuning parameter margin with similar cams
  86. Weather effects on idle? Need info
  87. What do i need for Twin turbo? LC-1 + Pyrometer?
  88. How does the IFR table affect the PE table?
  89. loosing idle learn?
  90. C5 will not go into SD mode
  91. Changes to be made with LS2 using LS1 PCM?
  92. Easy MAF Calibration with EFI Live(NO SPREADSHEETS)
  93. LTFT are lean, wideband is rich, now what??
  94. Need a little help please..
  95. WTF could i have done to my car???
  96. Who can tune in Colorado?
  97. LS7 Retrofit could be an issue without using the LS7 PCM!!!
  98. in hpt, can you monitor wheel speed sensors?
  99. Big Troubles with HPT I lost my PCM Please Help!!!!
  100. HELP my 99 Camaro is misfiring on multiple cylinders!!
  101. need help, how to wire in RPM input on LM-1 ???
  102. stumble at idle, help?
  103. Speed limiter
  104. low RPM misfire all of a sudden
  105. Help Please problem after rebuild
  106. Engine cuts off while driving on the highway...??????????
  107. Open LS1 Edit file in EFI Live?
  108. What is a good way to test O2 sensor?
  109. Could really use some advice on tuning after TC install...
  110. Im Curious
  111. help for tuning
  112. Emissions Help
  113. 0405 after SLP LID
  114. lc-1 probs
  115. Question About VE tuning Doc in Sticky Notes???
  116. Need Help with emissions!!
  117. Initial startup rpm drop after cam.
  118. For those with 90mm N.Williams TB and a Ybod
  119. low coolant light, and asr randomly coming on
  120. resetting the pcm after it has been dyno tuned?
  121. car running like shit
  122. Pre-tune
  123. p0174-bad to drive?
  124. Tripped a code
  125. Issues with 98...
  126. vats system
  127. autometer and stock gauge readings off by 10*
  128. Quick WOT PE Tuning Question
  129. Who runs 96 lb injectors with stock pcm & driver??
  130. Vector Motorsports
  131. can any one help me to tuning camshift
  132. This might be a tuning issue or something else.
  133. Woo! Hoo! ordered Flash scan!
  134. Is my crank sensor bad? Will start but pops, backfires, quits until I clear the code
  135. Locked PCM ?
  136. hpt speed density enhanced
  137. tuning ltft's.. changes dont do anything?
  138. Check Engine light with a system lean code
  139. Help Code Thrown
  140. hptuners looking to order any tips 2 start
  141. What temp does the IAT start to retard timing?
  142. Should I reset ECM
  143. Engine code states"slow response from o2"????
  144. Need Help
  145. MAF worksheet for EFILive
  146. Tuning for 97-98 Vette...
  147. Running out of ideas on this cold surging. Please help.
  148. I am stumped on this one
  149. Security Light
  150. Car acts up after wash!!! Help
  151. Throwing 10 Codes Neep Help ASAP
  152. What's a good PE scale factor for 10.5 AFR
  153. 2003 2500 Van wiring harness - compatible with 5.7L??
  154. trying to install Performance Tune from PREDATOR , getting Script Error message !
  155. TCC settings for C5
  156. I dont now How to tune the cam shuft
  157. HPTuners and LM-1 not equal
  158. Second SES light...
  159. WIN!! A $100 discount or Free Car License upgrade for your Efilive!
  160. Issue with connection...HP Tuners
  161. If I move the IAT closer to the TB, would it give better readings?
  162. MAP Code P0106, what could cause it???
  163. Throwing 10 Codes!!!! help me ASAP
  164. How to Tune on dyno?
  165. tuning question
  166. Does Granatelli make a Predator for 2005 5.3 Silverados?
  167. new engine- couple questions
  168. Need some LS1 Edit Tuning Help
  169. P0140 Bank 1 Sensor 2 Insufficient -help-
  170. Anyone using ProScan 2.0 ?
  171. PROS and CONS of SPEED DENSITY?
  172. my car wont run
  173. BMN tach wire problem...
  174. LC-1 doesnt work!
  175. Header Can = False Knock?
  176. What Sponsor sells the MAF Harness LS1 to 85 MM
  177. MAF numbers- what way to rich?
  178. Looking for Mafless Twin turbo LS1Bin's
  179. Buy HP Tuners or Pay to have it done?
  180. Pretty sure Maf is bad
  181. tranny shifting hard in SD mode
  182. RPM's dip slightly when moving 1-2MPH in Neutral, Why?
  183. LTFT problems....
  184. Neutral Safety Switch in M6...
  185. Have C6 vette and ready to buy LS2 editing software
  186. taching up and responce comparing
  187. Mystery table...
  188. How to contact Kirk formerly of APE
  189. Question about the bin files?
  190. T/M question
  191. Slight part throttle hesitation....
  192. How to check if PCM is Auto or Manual?
  193. rich/lean switch points and o2 gain vs error
  194. Electrical/Resistor Question! PLEASE HELP
  195. scan tool
  196. MAF values!?!?!?
  197. About a custom wiring harness
  198. Torque management and Tunercat users
  199. LM-1 Box and HP Tuners EIO don't read the same...
  200. Wideband accuracy behind...
  201. OBD2 Code reader - Harbor Freight
  202. iac position vs. effective area
  203. a/f ratio gauge
  204. efilive non transferable?
  205. Best Tuning program?
  206. 100+ degree IAT affect performance?
  207. Throwing Codes..
  208. Crank Sensor Issues?
  209. LS1 Edit's F$@!ed me for the last time!
  210. Fuel guage pegged past full... help troubleshooting?
  211. Another Question about MAF airflow vs.Output Frequency with HP Tuners
  212. Mass air question
  213. what can i do to fix hanging cold revs?
  214. help,,throwing a po106 code
  215. Anyone heard if BS3 is in legal trouble?
  216. LC-1 How-to hook up to EFILive
  217. KR Only in OD on A4
  218. Speed Sensor
  219. EFI Custom GAGE Contest 56k warning
  220. What are the basic tuning no no's?
  221. Falls on face
  222. need H/C tuning help
  223. Keep blowing engine sensor fuse and P0102 SES
  224. EFI How-to
  225. HP Tuners without Laptop?
  226. HP Tuners logging problem...
  227. First WBO2 log/tune
  228. Whats your opinion?????
  229. Required Changes for Increased Fuel Pressure
  230. Looking for cheap way to view knock retard, used Predator or other suggestions?
  231. Using HP Tuners to tune out Codes
  232. EMISSIONS! HELP!!!!!! o2 Simulators?
  233. question about weird o2 problems, inconsistant bank to bank fueling?
  234. any one with HP Tuners have a High Octane Spark Tab I can see, has a cam like mine?
  235. wideband vs o2 voltage results
  236. P0158 and fuel pressure
  237. superchip micro tuner
  238. Threw a p1133 code what is it?
  239. partial log file inside, wierd 02 voltage numbers
  240. Crane/Vinci for stock 99 Trans Am
  241. Need Approximate Coast Down Curve for LS1 F-body
  242. Predator issues... HELP!!!
  243. startup spark correction, with a cam can you increase the numbers?
  244. SLP Speedo Recal Black Box
  245. Help with Trans tuning!
  246. Predator Question & Code
  247. Convert an Edit tune to HP Tuner?How?
  248. Bad O2? or Bad Injector? or ???
  249. 40/60/80 method
  250. question about ECT spark advance correction