View Full Version : PCM Diagnostics & Tuning



  1. WTF.. Please help me with Warm Starts
  2. Has anyone reflashed an entire PCM from EFI live 1 bar
  3. EFI Live, Rich at Idle correction...
  4. Electric fans with non fan PCM?
  5. AEM Wideband Question.
  6. Emission Question
  7. Anyone know a place for free obd2 software
  8. what tuner???
  9. My tuner says get BS3
  10. strange 2-3 shift issue. rev limiter from a dig, shifts fine from a roll.
  11. Auto Meter Tachometer install on LS1 12200411 pcm
  12. XFI and XIM or EFI Connection 24x?
  13. searched but no answer. P0174 code help.
  14. Installed LC-1 w/ serial connection but EFI live not reading signal
  15. Low power at high rpms, slight missing feeling in mid range
  16. Holley Domitator EFI users
  17. car is misfiring after powershift datalog inside
  18. where/how to learn HP Tuners?
  19. car starts and immediately dies, not VATS
  20. Air Fuel Ratio Questions
  21. wireless driod engine scanner $45. legit??
  22. 02 volts - Good? Bad? Indifferent?
  23. Where did my brake light go??
  24. crank relearn procedure wont work
  25. PCM identification
  26. Need to fix, wrong OS loaded on my pcm
  27. Disimiliar header primary temps
  28. No TPS Signal Help!
  29. low rpm hell!!!!!
  30. Plug heat range vs Altitude
  31. LSX PCM on Toyota 3UR-FE V8
  32. 98 ecm on heads/cam car idles high - sometimes
  33. EFI Live Real Time Tuning
  34. Tech2 questions
  35. Noobie injector question
  36. Looking for stock numbers
  37. Pro's c and Con's of going with speed density tune
  38. Need speedo recal for 4.10 gears, who do i go to?
  39. Issues with Start Up
  40. 1998 z28--need advice-lq4 swap--wiring questions
  41. 411 ECM Power
  42. Do you guys use ignition boxes?
  43. p1336 "ignition system or missfire"
  44. Slow throttle response Fast102
  45. Anyone have a hp tune similar to mine?
  46. Software that supports both formats?
  47. Dual Injectors, HPT capable?
  48. How to modify cranking advance in HP Tuners??
  49. Looking for a base tune 230/238 cam
  50. Knock sensor adjustment??
  51. Looking for tune file
  52. Overdrive comes in to soon
  53. What are these idle control parameters?
  54. 98 ecu and engine sensor harness
  55. Knock retard @ cruise
  56. 408 with a p0336
  57. 99 Corvette Computer how do I add 4L80 trans
  58. Need to replace map sensor
  59. efilive.com not responding?
  60. Why would O2 sensor get this color??
  61. Stock 99 timing file
  62. 98 Trans-Am
  63. 2000 ws6 complete rebuild, no key on, SES light on, BCM beeping
  64. Warm start, needs throttle?
  65. MAF lbs/minute at idle?
  66. 95 z28 pcm (black connector) what wires are these?
  67. Can i use a stock ecu for timing control?
  68. HP tuner, EFI LIve and Innovate Sale
  69. LS3 TPS/PPS Pinouts
  70. Installing heads. Do I need a tune?
  71. 98 Z28 tuning problems
  72. 04 Z06, installed headers, runs like crap, needs tune already?
  73. Reluctor Wheel/ PCM question
  74. Greater than stock cam, will driving 60 miles to dyno tuner hurt engine?
  75. 2400 stall on a 2800 tune
  76. Strange shutdown that I can't explain...
  77. Most versitile PCM?
  78. Switching PCMs
  79. Newbie - Speed density tune on summer only 66 Nova in Michigan?
  80. I think I killed my PCM
  81. Transam file same as camaro?
  82. Take a Look At My LT1 Datamster file please?
  83. Extreme lean idle and cruise ???????
  84. Corn spark plug reading?
  85. Going nuts.....another in-depth tuner question..$50 Paypal whoever figures it out.
  86. Code scan/clear for 98 Trans-Am
  87. Air Fuel Ratio question..
  88. MSD 6010 wont go over 7500rpms.
  89. funny smell at start up...
  90. 2003 2500 5.3 stalling issue
  91. Idles, but when I give it gas, DIES! HELP!
  92. ls1 w/ 4l60e harness layout help
  93. need help
  94. Tuning for 2-3 WOT shift on limiter..RPM
  95. at a delima????
  96. 5.3 base tune w/ cam etc... Questions
  97. Is HPtuners capable of checking fuel rail psi
  98. Pesky High Idle
  99. Difference in tune using 93 octane w/o ethanol?
  100. 408 Cold Start backfire and hesitation?
  101. MAF problems
  102. Tune on a stock car?
  103. Have a P0420 Code after Header Install ?
  104. Fouling Spark plug Please Help !!!!!!!
  105. 99 Silverado BIN
  106. What should my long term fuel trim % be?
  107. Can a 40-100 O2 reading cause an 80 hp loss?
  108. 94 z28 lt1 no pulse at the injectors?
  109. Random misfire in closed loop only
  110. Email tuners
  111. Would this be possible ?
  112. "Performance Shift" button
  113. Need some help....LS2 GTO 226/234 cam P0106 Code...
  114. Michigan HPtuners Users?
  115. list of what will pull timing???????
  116. 2012 GM truck support now available!
  117. Cooling fans not working
  118. Autometer Wideband Problem
  119. Drive to Dyno-Tune
  120. Found Vacuum Leak- what is it though? Picture
  121. need help programming with my diablo sport
  122. need a tune?
  123. No start...need help troubleshooting!
  124. 416 L92 - timing over 40?
  125. Fans (not cooling fans) on LS1
  126. Spark falling to negative and amost dieing at idle
  127. Using wideband o2's in place of narrowbands?
  128. Anyone using Megasquirt 2 with 58x for ignition?
  129. HPTuners connection issues
  130. 5.3 timing drop to -10 on accelration
  131. Map, baro @ wot
  132. Is my car driveable?
  133. All of a sudden I've got codes..
  134. Secondary Air Problems
  135. Map code messing with TCS
  136. hp tuner and 98 t/a
  137. Need some help. No start issue 24x
  138. 402 ls2 Firehawk dyno
  139. 408 Stroker: possible ignition issue??
  140. Frankenstein engine P0342 camshaft code
  141. Tuning software
  142. pcmforless...hmmm
  143. What is needed to tune?
  144. Running rich and check engine light?
  145. Question on hp tuners standard vs pro
  146. Removing door wiring harness
  147. 99 Firebird O2 simulator for post-converter sensors
  148. will this throw an SES code????
  149. Is this normal anyone help
  150. Need HELP p0101, p0106, p10300, and a pending code p0171
  151. MAF Vs. Speed density
  152. High idle, speedo reading sitting still
  153. 98 fuel system settings after fuel segment swap?
  154. Can/bus diagram ?
  155. does anybody use the FAST handheld programmer?
  156. 1st diagnostic
  157. tps
  158. finally bit the bullet! (FROST)
  159. pcm misfire
  160. DTC 410/412 Check engine light - can't pass State Inspection - HELP!
  161. hptuners PCM shift light wiring
  162. need help getting started with hp tuners
  163. Dyno Tune in SF Bay Area
  164. Brake light and ABS Light on
  165. High IAC count?
  166. 98 to 99 pcm swap fuel level pcm wire ?
  167. Looking for reputable tuner in the DFW area
  168. i have SES codes help?
  169. LY6 VVT stock cam tune?
  170. 4l80E will not make WOT 2-3 shift
  171. change computer now car do not start
  172. Brain dead Camaro (HELP)
  173. Trying to Pass Inspection-P0171 and P0420
  174. GM's new PCM's and Tuning them.
  175. PCMForLESS?
  176. PCM Speed signal 100 mph
  177. Won't idle with oil cap on...ideas??
  178. Disable fuel while reflashing? UPDATE: Cyl fill up with fuel, really quick! HELP!
  179. Jeremy Formato tuning & porting in Gettysburg PA October 23-29
  180. Computer keeps resetting itself
  181. LQ4 Low Hp...HELP lol
  182. In need of help with 5.3 wiring harness
  183. PCM or CPS
  184. Take a look at my tune please
  185. Slow speedometer needle???
  186. Retune after switching from ORY to TD X setup?
  187. Tuning help
  188. Recommend tuner in Hartford CT area
  189. Hp Tuners Vs. EFI Live
  190. critique my tune.
  191. Power dropping off above 3500??
  192. Air removal and SES question
  193. maf/tunning question
  194. Diablo Custom Tune
  195. 98 ls1 in a 01
  196. Question EGR
  197. stand alone harness help?!?!
  198. Idle issues, and few codes (live data pictures added)
  199. rich or lean
  200. spudders when i release the trans brake
  201. Need some help Diablo Tunning
  202. terrible mpg and p0171 p0174 codes
  203. Problems after bad Engine Ground.
  204. tuning for cat delete
  205. recomendations for a timing controller
  206. Transmission shifting issue, anyone care to look at my tune file??
  207. having idling issues
  208. Someone HELP!!! Looking for PatG
  209. P0137 p0157 codes
  210. Innovate LC1 problem.... ugg
  211. LS1 lean/choking under hi-throttle
  212. IAC help
  213. driving coils
  214. tuner locked ls1 ecm
  215. need help,timing twister trouble
  216. Here's one for the LS guru's
  217. Hitting rev limiter on 2-3 shift with built trans
  218. Good Tuner shop recommendation in North Dallas/Collin County area
  219. HELP.. TSP 100mm MAF Calibration.
  220. P1637 CAN Link ECM/ABS Control Module Circuit/Network
  221. Security light flashing!!
  222. Trouble at track last night after tune..
  223. Tuning help in Massachusetts
  224. Need Tune advise - Motor Plate & Soild Motor Mount please come in
  225. Can a car lose a tune over time?
  226. 98 wiring harness 99 pcm??
  227. Lt1edit
  228. Changing injector data
  229. Advanced Tuning Question- High RPM throttle cut and limp mode
  230. 2003 truck pcm 0v to knock sensors?
  231. General Tuning Software?
  232. Mass air flow and V.E. tuning advise needed
  233. Need a tune
  234. Questions for anyone with EFI 24x
  235. Can't get it to idle
  236. aem to oem pcm
  237. gutted car/big stuff 3 come with wires?
  238. C5 - Car will crank and not start / Reduced Engine power - P0606 and P1518
  239. Tuning issues RESOLVED!
  240. Hanging and fluctuating idle after head intake swap-help
  241. hahaha....figure this ridiculous sh1t out......**UPDATE**
  242. LMA-2 Setup on LT1
  243. hawaii?
  244. Your tuning solution EFI LIve, HP, Innovate
  245. Which programmer?
  246. looking for dyno tuner
  247. HpTuners ECM swap?
  248. do i need a IAC
  249. P0101 code and O2 sensor bank one sensor one codes
  250. plx air/fuel wideband problem help!