View Full Version : PCM Diagnostics & Tuning



  1. No TPS Signal Help!
  2. low rpm hell!!!!!
  3. Plug heat range vs Altitude
  4. LSX PCM on Toyota 3UR-FE V8
  5. 98 ecm on heads/cam car idles high - sometimes
  6. EFI Live Real Time Tuning
  7. Tech2 questions
  8. Noobie injector question
  9. Looking for stock numbers
  10. Pro's c and Con's of going with speed density tune
  11. Need speedo recal for 4.10 gears, who do i go to?
  12. Issues with Start Up
  13. 1998 z28--need advice-lq4 swap--wiring questions
  14. 411 ECM Power
  15. Do you guys use ignition boxes?
  16. p1336 "ignition system or missfire"
  17. Slow throttle response Fast102
  18. Anyone have a hp tune similar to mine?
  19. Software that supports both formats?
  20. Dual Injectors, HPT capable?
  21. How to modify cranking advance in HP Tuners??
  22. Looking for a base tune 230/238 cam
  23. Knock sensor adjustment??
  24. Looking for tune file
  25. Overdrive comes in to soon
  26. What are these idle control parameters?
  27. 98 ecu and engine sensor harness
  28. Knock retard @ cruise
  29. 408 with a p0336
  30. 99 Corvette Computer how do I add 4L80 trans
  31. Need to replace map sensor
  32. efilive.com not responding?
  33. Why would O2 sensor get this color??
  34. Stock 99 timing file
  35. 98 Trans-Am
  36. 2000 ws6 complete rebuild, no key on, SES light on, BCM beeping
  37. Warm start, needs throttle?
  38. MAF lbs/minute at idle?
  39. 95 z28 pcm (black connector) what wires are these?
  40. Can i use a stock ecu for timing control?
  41. HP tuner, EFI LIve and Innovate Sale
  42. LS3 TPS/PPS Pinouts
  43. Installing heads. Do I need a tune?
  44. 98 Z28 tuning problems
  45. 04 Z06, installed headers, runs like crap, needs tune already?
  46. Reluctor Wheel/ PCM question
  47. Greater than stock cam, will driving 60 miles to dyno tuner hurt engine?
  48. 2400 stall on a 2800 tune
  49. Strange shutdown that I can't explain...
  50. Most versitile PCM?
  51. Switching PCMs
  52. Newbie - Speed density tune on summer only 66 Nova in Michigan?
  53. I think I killed my PCM
  54. Transam file same as camaro?
  55. Take a Look At My LT1 Datamster file please?
  56. Extreme lean idle and cruise ???????
  57. Corn spark plug reading?
  58. Going nuts.....another in-depth tuner question..$50 Paypal whoever figures it out.
  59. Code scan/clear for 98 Trans-Am
  60. Air Fuel Ratio question..
  61. MSD 6010 wont go over 7500rpms.
  62. funny smell at start up...
  63. 2003 2500 5.3 stalling issue
  64. Idles, but when I give it gas, DIES! HELP!
  65. ls1 w/ 4l60e harness layout help
  66. need help
  67. Tuning for 2-3 WOT shift on limiter..RPM
  68. at a delima????
  69. 5.3 base tune w/ cam etc... Questions
  70. Is HPtuners capable of checking fuel rail psi
  71. Pesky High Idle
  72. Difference in tune using 93 octane w/o ethanol?
  73. 408 Cold Start backfire and hesitation?
  74. MAF problems
  75. Tune on a stock car?
  76. Have a P0420 Code after Header Install ?
  77. Fouling Spark plug Please Help !!!!!!!
  78. 99 Silverado BIN
  79. What should my long term fuel trim % be?
  80. Can a 40-100 O2 reading cause an 80 hp loss?
  81. 94 z28 lt1 no pulse at the injectors?
  82. Random misfire in closed loop only
  83. Email tuners
  84. Would this be possible ?
  85. "Performance Shift" button
  86. Need some help....LS2 GTO 226/234 cam P0106 Code...
  87. Michigan HPtuners Users?
  88. list of what will pull timing???????
  89. 2012 GM truck support now available!
  90. Cooling fans not working
  91. Autometer Wideband Problem
  92. Drive to Dyno-Tune
  93. Found Vacuum Leak- what is it though? Picture
  94. need help programming with my diablo sport
  95. need a tune?
  96. No start...need help troubleshooting!
  97. 416 L92 - timing over 40?
  98. Fans (not cooling fans) on LS1
  99. Spark falling to negative and amost dieing at idle
  100. Using wideband o2's in place of narrowbands?
  101. Anyone using Megasquirt 2 with 58x for ignition?
  102. HPTuners connection issues
  103. 5.3 timing drop to -10 on accelration
  104. Map, baro @ wot
  105. Is my car driveable?
  106. All of a sudden I've got codes..
  107. Secondary Air Problems
  108. Map code messing with TCS
  109. hp tuner and 98 t/a
  110. Need some help. No start issue 24x
  111. 402 ls2 Firehawk dyno
  112. 408 Stroker: possible ignition issue??
  113. Frankenstein engine P0342 camshaft code
  114. Tuning software
  115. pcmforless...hmmm
  116. What is needed to tune?
  117. Running rich and check engine light?
  118. Question on hp tuners standard vs pro
  119. Removing door wiring harness
  120. 99 Firebird O2 simulator for post-converter sensors
  121. will this throw an SES code????
  122. Is this normal anyone help
  123. Need HELP p0101, p0106, p10300, and a pending code p0171
  124. MAF Vs. Speed density
  125. High idle, speedo reading sitting still
  126. 98 fuel system settings after fuel segment swap?
  127. Can/bus diagram ?
  128. does anybody use the FAST handheld programmer?
  129. 1st diagnostic
  130. tps
  131. finally bit the bullet! (FROST)
  132. pcm misfire
  133. DTC 410/412 Check engine light - can't pass State Inspection - HELP!
  134. hptuners PCM shift light wiring
  135. need help getting started with hp tuners
  136. Dyno Tune in SF Bay Area
  137. Brake light and ABS Light on
  138. High IAC count?
  139. 98 to 99 pcm swap fuel level pcm wire ?
  140. Looking for reputable tuner in the DFW area
  141. i have SES codes help?
  142. LY6 VVT stock cam tune?
  143. 4l80E will not make WOT 2-3 shift
  144. change computer now car do not start
  145. Brain dead Camaro (HELP)
  146. Trying to Pass Inspection-P0171 and P0420
  147. GM's new PCM's and Tuning them.
  148. PCMForLESS?
  149. PCM Speed signal 100 mph
  150. Won't idle with oil cap on...ideas??
  151. Disable fuel while reflashing? UPDATE: Cyl fill up with fuel, really quick! HELP!
  152. Jeremy Formato tuning & porting in Gettysburg PA October 23-29
  153. Computer keeps resetting itself
  154. LQ4 Low Hp...HELP lol
  155. In need of help with 5.3 wiring harness
  156. PCM or CPS
  157. Take a look at my tune please
  158. Slow speedometer needle???
  159. Retune after switching from ORY to TD X setup?
  160. Tuning help
  161. Recommend tuner in Hartford CT area
  162. Hp Tuners Vs. EFI Live
  163. critique my tune.
  164. Power dropping off above 3500??
  165. Air removal and SES question
  166. maf/tunning question
  167. Diablo Custom Tune
  168. 98 ls1 in a 01
  169. Question EGR
  170. stand alone harness help?!?!
  171. Idle issues, and few codes (live data pictures added)
  172. rich or lean
  173. spudders when i release the trans brake
  174. Need some help Diablo Tunning
  175. terrible mpg and p0171 p0174 codes
  176. Problems after bad Engine Ground.
  177. tuning for cat delete
  178. recomendations for a timing controller
  179. Transmission shifting issue, anyone care to look at my tune file??
  180. having idling issues
  181. Someone HELP!!! Looking for PatG
  182. P0137 p0157 codes
  183. Innovate LC1 problem.... ugg
  184. LS1 lean/choking under hi-throttle
  185. IAC help
  186. driving coils
  187. tuner locked ls1 ecm
  188. need help,timing twister trouble
  189. Here's one for the LS guru's
  190. Hitting rev limiter on 2-3 shift with built trans
  191. Good Tuner shop recommendation in North Dallas/Collin County area
  192. HELP.. TSP 100mm MAF Calibration.
  193. P1637 CAN Link ECM/ABS Control Module Circuit/Network
  194. Security light flashing!!
  195. Trouble at track last night after tune..
  196. Tuning help in Massachusetts
  197. Need Tune advise - Motor Plate & Soild Motor Mount please come in
  198. Can a car lose a tune over time?
  199. 98 wiring harness 99 pcm??
  200. Lt1edit
  201. Changing injector data
  202. Advanced Tuning Question- High RPM throttle cut and limp mode
  203. 2003 truck pcm 0v to knock sensors?
  204. General Tuning Software?
  205. Mass air flow and V.E. tuning advise needed
  206. Need a tune
  207. Questions for anyone with EFI 24x
  208. Can't get it to idle
  209. aem to oem pcm
  210. gutted car/big stuff 3 come with wires?
  211. C5 - Car will crank and not start / Reduced Engine power - P0606 and P1518
  212. Tuning issues RESOLVED!
  213. Hanging and fluctuating idle after head intake swap-help
  214. hahaha....figure this ridiculous sh1t out......**UPDATE**
  215. LMA-2 Setup on LT1
  216. hawaii?
  217. Your tuning solution EFI LIve, HP, Innovate
  218. Which programmer?
  219. looking for dyno tuner
  220. HpTuners ECM swap?
  221. do i need a IAC
  222. P0101 code and O2 sensor bank one sensor one codes
  223. plx air/fuel wideband problem help!
  224. At what RPM should I shift?*Dyno Graph
  225. on board monitor test $07 and $0C
  226. innovate wideband error?
  227. Who sells ALL NEW...COMPLETE wiring harnesses.......
  228. Spark tables question
  229. Thoughts on this build 402ci ls2 w/ 540rwhp
  230. MAF, H2O's, & VATS
  231. 2001 4.8L Silverado throwing lean codes.
  232. sd tune... do i need a t.p.
  233. EFI LIVE Scan tool
  234. 341 rwhp I was expecting more
  235. Spark and fuel look alright?
  236. P0200 "Injector Control Circuit" after heads, intake, and injector swap.
  237. ls1 stating problem
  238. HP Tuners, 01 PCM and E85. Looking to compare tunes
  239. Will putting my pcm in another car lock it out?
  240. Random misfires at idle, all cylinders
  241. HPTuners 2012 Tahoe, Escalade & Silverado Support added
  242. Finally had my car dyno tuned today !
  243. HP Tuners 2bar MAP OS
  244. New Sponsor: Unleashed Performance
  245. wiring dilema
  246. Granatelli MAF performance
  247. How forgiving is a stock PCM?
  248. PCM ECU LQ9 pinout?
  249. Need LS2 Tuner in Oklahoma area
  250. any good nitrous tuners in kansas city???