View Full Version : PCM Diagnostics & Tuning



  1. DBW pedal is 100% WOT at 1/2 pedal travel
  2. What would change from cold motor to hot motor?
  3. Newbie has question regarding custom tune
  4. Going to take the plunge on HP Tuners
  5. need help with ses code PO410?
  6. ignition probs
  7. LS3 Engine with 4L80E?
  8. What year harness & computer to run DBC on LQ4?
  9. Why people say 02 sims dont work?
  10. LTB1 +25 now
  11. draining battery
  12. p0300 misfire?
  13. 06 gto engine harness with ls1 computer?
  14. Can someone please check my HP Tuners scan file?
  15. Will a 99 gauge cluster will work in my 98Z
  16. Using LCD+Notebook+Tuning software as Gauge Pkg???
  17. TPS Problems!
  18. gto computer and harness DBW delete?
  19. 01 Z28 need tune advice concerning cam. Austin tx
  20. Reccommendations for tuning on a dyno
  21. Did I program my LC-1 wideband wrong?
  22. my ltft's are +25% whats the deal?
  23. Frost tuning questions
  24. 02' 6.0L ECM in 99' Z? Also 80e to 60e????
  25. any one make a plug-in tuner for 98 ls1
  26. A/f ratio wide band install
  27. What are the neccessary sensors i should run on my ls2
  28. 24 and 58 tooth reluctor wheel?
  29. What pcm and tuning software for lq4 turbo m6 build?
  30. MAF Tuning Issue: AFR varies with Load at the Same Frequency
  31. 96 355 LT-1 running rich, need some ideas
  32. 04 vette pcm
  33. Ignition switch wiring
  34. Need Tune
  35. just had car tuned < 1 week ago - is another tune required if I upgrade MAF ?
  36. Autometer wideband a/f ratio install.
  37. Ground side of IAT and ECT sensors?
  38. EFI Live + wideband
  39. TPS reads 0 at all positions. Which wire is cut/shorted?
  40. Killed another MAF. Need some good advice
  41. Blue Cat tuning in Ashland Ky? Need Info Please....
  42. Tuning in Houston
  43. IFR is really low in HPT ?
  44. IAC and hesitation and internet speeds
  45. Converted to dry sump, Engine won't idle.
  46. Stock PCM
  47. disabling PWM
  48. Need help with tunning 200 z28
  49. Connection issues with HPtuners? Anyone else have this issue lately?
  50. Stock PCM
  51. Reoccuring problem with SS need help
  52. Anyone got something like this (Tune file)
  53. low speed stalling.
  54. only pulling 19* of timing at WOT....is that normal???
  55. Starting problem. BCM Help please.
  56. Old electronics on New 6.0?
  57. Complex Problem
  58. Limit to boost with MAF?
  59. connector pins?????
  60. Is 4.31 TPS Voltage At WOT ok?
  61. NEED HELP difference between ls6 ans ls2 wiring harness
  62. Reflashing a PCM
  63. Bolt ons & big cam...what PCM do you recommend?
  64. Lean driving
  65. Tuning !!!! What do i get!!!
  66. code 1336 help
  67. Dash looks like a Christmas Tree
  68. I did the TB Screw and Now High Idle,Please Help
  69. Not sure what this means?
  70. Change firing order in tune???
  71. Just bought HP Tuners & pulled the tune from my car...
  72. Hypertech Programmer Question--NEWB
  73. Definitions please...Search is WAY too big
  74. 2001-2002 PCM swap for 1998?
  75. HPT Question about Desired Idle Airflow
  76. How to tell when your plugs are fouled out
  77. VE tuning RPM? Gear selection???
  78. Please Expalin SPEED DENSITY TUNING
  79. DIY Tuning????
  80. Check engine light on
  81. blue/green PCM to red/blue PCM wiring changes?
  82. lean afr on cold start
  83. PCM HPT over write w/EFI live?
  84. Please help, 02 sensors will not read
  85. lc9 flex-fuel as standalone
  86. Aftermarket MAF and diablo tuner
  87. tuning with a diablosports with no2
  88. BS3 afr
  89. turbo swap tuning
  90. No Spark!
  91. 2000 Corvette FRC no start after reading PCM
  92. Car wont start, electrical problem.
  93. LM2 and HP Tuners
  94. asr off light and weird acting tranny
  95. individual egt's
  96. threw a P1415 code
  97. switching to 85mm truck maf and iat wiring?
  98. 4l80e swap no segment available
  99. LS1 tune in Colorado
  100. Do post cat 02s effect Total Fuel Trim?
  101. Still "Not Ready" after 500 miles!!
  102. ls1m???? whos useing it and does work on 99 5.3s????
  103. cleaning IAC
  104. ordered efilive v2
  105. 3 Bar Map Time
  106. Running lean on both banks and idle issues
  107. Thinking about tuning your own car? Watch TV!!
  108. What was changed here?
  109. Race gas vs. pump gas on same tune
  110. what wideband gauge can i log with hp tuner
  111. LS2 throttle body tesing???
  112. Car dies after big cam install, what to do till tune
  113. kinda confused about swapping to 85mm maf...iat
  114. Hp tuner Credicts
  115. P0481 help please...
  116. Ignition advance on LS1
  117. Q on swaping 5.3 liter in el camino
  118. Iac
  119. Lean condition on cold and hot startups (SD tune)
  120. tuners or dynos in the kansas area
  121. Roadrunner?
  122. !AIR and SES
  123. Anyone in Maryland...?
  124. +25 LTB2 fixed itself??
  125. obd2 port not working
  126. vindicator 02 camaro m6 tune? help?
  127. Bad miss after warm up and restar
  128. 154# Denso High Imp Injector Offset Data?
  129. 04 z06 MAF, now P0102
  130. Engine will not idle without pedal input
  131. Scans good, still have idle problems.
  132. Stock Maf sizes?
  133. p0300 & p0101 codes and runs like crap
  134. Installing Hp Tuners without a CD Drive?
  135. Doesn't start right some times.
  136. Trying to get a ballpark starting point
  137. boost with stock ecm
  138. pcm / tranny issues
  139. Idle for H/C/I 404.
  140. low MAP performance SES.
  141. LY6 with 4L60e - Need a little help with Wiring Harness please
  142. How do you jump from EFI Live to HP Tuner?
  143. LQ4 6.0l /w LS6 Intake
  144. Looking for Dyno Tuner OBDII LT1
  145. Crank Relearn procedure....which scanners can do it???
  146. Rpm flares between shifts goes away once warm
  147. TC offering Can support
  148. VATS/Alarm problem PLEASE HELP!
  149. Which PCM/harness to use for swap
  150. Question on HP...how to get more?
  151. mail box tune, 0% short & long term fuel trim
  152. Where in the tune can you fix this type of cold start issue
  153. Explain map at idle
  154. diablo
  155. AFR at 14.1. Need suggestion before a tune.
  156. How to accurately get rid of WB ground offset?
  157. lt1 swap
  158. LT1 tuning issues...
  159. WTB programmer *Link inside*
  160. LQ9 running rich/missing
  161. 1998 T/A programmer - advice needed.
  162. Drag car wiring, stock PCM, fan control, fans always on
  163. what year is my pcm
  164. Need Help with Surging Idle
  165. Who is the best tuner around MS
  166. Fuel system in OL-Drive?
  167. What Tuner to by?
  168. Adjusting for larger rear tires?
  169. OL TO CL Question
  170. LS1 swap in 3rd Gen Camaro, No Start. Help!
  171. Idle surge on my 402 LS2
  172. transmission tuning question
  173. Clarification- 98 to 01 PCM Swap -Fuel Segment Q
  174. JET DST anyone use it?
  175. Tuning Mess with smog?
  176. Stock total timing
  177. speed inc. good or bad?
  178. TCS OFF, no DTC codes?
  179. Does GM have a proprietary scan tool?
  180. Stock Short Pulse Adder table values?
  181. LS2 Running on 4 cylinders....Help!
  182. need a tuner in carrollton tx area dfw
  183. New owner: Need help chasing a gremlin
  184. Can the 98 0-90ohm fuel sender be wired direct to the 98 cluster?
  185. 98 s10 gas gauge calibration
  186. Difference between E38's
  187. Who's the best LS1 Tuner around Joliet, IL to use?
  188. IAC Steps too high, and dyn air vs idle desired no close>>
  189. Ve/maf/pe/ltft
  190. Ev1 to Ev6 Injector help.Please
  191. Is my pcm fried?
  192. VE tables dialed in. When I renable the MAF it Runs very Lean?
  193. TPS throttle position sensor fluctuating after its cleared HELP hp tuners
  194. Dyno Tune Locations?
  195. tuning questions..
  196. 01 T/A full exhaust/boltons do I need tuned?
  197. maf problem?
  198. Cam position sensor keeps going bad?
  199. Need new engine harness
  200. LQ9 pcm question
  201. Ford 39lb Injector questions?
  202. 6l80e efi live tuning question
  203. How difficult is it to go from cam only tune to H/C tune?
  204. Where to get a chip burned for a 93 LT1 f-body
  205. bank 1 o2 (50mv-950mv) - bank 2 o2 flatlined (430mv-450mv)?
  206. Pedal not responding "p2138"
  207. Dynamic airflow
  208. my eyes are watering! is my car running rich? it may be a stupid question!
  209. looking four procharger file hp
  210. Should I get retuned?
  211. How big of injector for stock 01 ecm
  212. Ltb2 +25
  213. Help! Car won't start!! Attempting first start!
  214. Tunning in CT
  215. code deleting
  216. Should I replace these parts before getting a tune?
  217. Can Somebody gimme some insight on my tune?
  218. pcm?
  219. p1153 Code
  220. misfire with no codes, need help please!
  221. Lc-1 mount?
  222. (chicago area tuners welcome) where should i go for tuning in northern illinois???
  223. Timing Curve for LS turbo car
  224. Normal o2 mv range?
  225. Nitrous And Transbrake Wiring Hookup
  226. Mail order tune
  227. did i get the right cable?
  228. tuning noob, need some starter advice....
  229. NEED HELP! could a tune burn up a piston?
  230. what table is this lean idle in? HP Tuners
  231. speed density
  232. Tuner in Southwest Florida
  233. E-85 and n/a tuning
  234. LC-1 and cobalt AFR gauge wont read right help!
  235. 98 T/A going l92, can I use a 2002 harness???
  236. Help codes popped up tonight
  237. Good place to get unlocked emailed HP Tuners tune for 6.2 Escalade
  238. Will a stock 2002 vette tune work on a 98 z28 stock??
  239. security acces denied after tsp tune... windows 7 the problem, or what!!
  240. Powdercoated PCM?
  241. Frost pcm and tune
  242. Do I need a LQ4 PCM?
  243. What Wideband O2 for EFI Live v2?
  244. Upshift at full throttle (4L60E)
  245. Backfiring.....Possible to be Tune Related???
  246. Couple Qs regarding 02 sensor and placement
  247. Tuner in NE Texas?
  248. Start up Problems
  249. will a tune fix this?
  250. Engine Hot / AC turned Off message