View Full Version : PCM Diagnostics & Tuning



  1. NO Ltrim OR Strim readings???
  2. Changed for 2 to 3 bar and wont start Hptuners software.
  3. Is there a hidden OLSD table causing lean idle for a few minutes on a warm start?
  4. 2002 engine harness and pcm into a 98 car question
  5. Fuel level gauge issue after tune...
  6. CTS-V tuning input needed. EPS 226/230 cam
  7. hp tuner help
  8. How do I know if wide band is right?
  9. LY6 Turbo with EZ TCU'ed 4L60e?
  10. options or suggestions needed
  11. Wtf is p0128
  12. How not to tune!!
  13. Bigstuff3,timing variation
  14. Wideband
  15. MAP Sensor
  16. doin an engine swap...
  17. PO410 and PO420 help
  18. (Long Shot) Extrememly Random "Power Reduction Mode" with a 2007 Hummer H2
  19. Diablosport for egr and air
  20. Need help with tune up on lt1 in st.louis
  21. Stock c5 tuning?
  22. tuners? 102 versus 92mm throttle body for lsx102
  23. Aftermarket LS1 PCM Mount Options
  24. How many credits to read PCM data?
  25. 4.8L LR4... Should i use a 4.8L ecu or LS1 ecu?
  26. Can you mix gauges and sending units?
  27. tune after fuel pump install?
  28. LS1 Coils on LT1 with XFI?
  29. lsx376 e85 and pump gas
  30. Basic Tuning Question.
  31. Creating a "tuning" harness for blue-green PCM... what do I REALLY need?
  32. MIL question
  33. LS9 injector tables for f-body?
  34. OE 2004 LS1 ECM with carb
  35. Hooked up Timing Twister- Factory Tach Bounces now
  36. hp tuners vats delete newb ??
  37. having a dumb moment and cant get the computer back in my car
  38. Anyone use the aeroforce scan gauge
  39. Which would you choose?
  40. cpu problem?
  41. Need help re-tuning G8 GT for altitude....
  42. Who can UNLOCK a computer?? Please help..
  43. Code 42 with MSD on LT1
  44. Delphi MAF HELP
  45. looking at making my own harness
  46. EFI Live repository questions
  47. P0101 code what else besides MAF?
  48. Slp maf meter is a damn joke what a waste
  49. Tuner Southern Indiana, Indy, Louisville, Ky area?
  50. Need Help, ABS light came on in the rain
  51. Air Bag Light came on, please help
  52. Anyone know of a cheap scan tool to measure iac counts
  53. Diablosport Predator: Unit 1: error unlock (253)
  54. need help with v6 trans am
  55. There is really no way to tune out the abs light?
  56. Looking for good fbody tuner around Paducah, KY??
  57. LS1 Cam & Crank Scope
  58. 396 Tune help
  59. 2.73's to 3.73's tune
  60. O2 sensor location for tune
  61. mpg SUCKS!
  62. Computer Hardware ??? for the Computer Geeks
  63. Which ECM?
  64. handheld tuners...
  65. Resetting insturment cluster
  66. Tuning after header installation???
  67. help 98 ls1 egr/tuning question?
  68. Is this HP Tuners $650 version?
  69. 02 partnumbers for 02 Trans am
  70. G8 GT E85 Tune, Thoughts, Ideas, Comments?
  71. Twin Turbo Z06 Tune help
  72. 2002 Malibu VATS delete
  73. Looking for tuner around Rome, Ga.
  74. Voltage for MAF and IAT sensor please help
  75. Check engine light and HyperTech chip
  76. who can program 98 LS1 pcm?
  77. [pls help, tuning issue
  78. 2010 truck with 480hp crate engine tune?
  79. popping and stumbling at part throttle under load
  80. How do I tell a good tune from a bad tune ?
  81. Water Temp ground pinout
  82. Shift table issues with 4.10s
  83. High rev at park to drive shift
  84. Start stutter?
  85. In P/N, better idle w/ IAC disconnected
  86. Noob question!
  87. Codes. Do I need to replace stuff?
  88. scanner says......?
  89. How to tune GM EFI engines
  90. jet chip help?
  91. Bad MAP symptoms
  92. Tuning TCS timing retard
  93. automatic hits revv limiter before shifting?
  94. Bad Experience with Dallas Performance
  95. cant connect to computer
  96. would i gain anything?
  97. p0131 code
  98. Only fix or bandaid fix for OTR intake stalling?
  99. LS3 MAP sensor with '98 PCM?
  100. car cranks but wont start! :(
  101. TSP Mail In Order Tune?
  102. deleting o2s front and rear
  103. What do you use to datalog your LSx?
  104. How hot does the computer get??
  105. Need Your Help ASAP: NO START PROBLEM
  106. High Idle issues with IAC connected.
  107. Help with HP Tuners and 2010 Camaro auto
  108. MAP voltage to high?
  109. tuning qestion
  110. what sensor is this?
  111. Shift Light with HP Tuners
  112. Tach Gauge issue
  113. Wierd LTFT readings after car sat for 2 months
  114. F.A.S.T. Handheld tuner
  115. Kudos to Frost!
  116. VE Tuning @ 416
  117. ECU switch?
  118. A little DTC help for a LS1 noob
  119. no help searching ls1tech
  120. What MAP and MAF should i buy?
  121. E85 Support in Gen IV
  122. 85 maf on a 98 camaro
  123. Greg Banish tuning DVD
  124. car was running fine yesterday...
  125. Possible bad computer?
  126. Service Engine Error Codes help
  127. tuning for lsx
  128. Tuning questions
  129. Car wont idle and doesn't accerate
  130. mixing parts
  131. Mail order tune question
  132. Need Help
  133. Corvette randomly stays at 2000rpms ??
  134. My early conclusions on CL vs. OLSD vs. OL with MAF vs. OL MAF ONLY...
  135. HP Tuners question
  136. Can anyone else feel their 02's switching under part throttle?
  137. Help weird tune or sensor problem?
  138. WONT START help asap
  139. LC1 Lagg using non-EIO
  140. lil help?
  141. Tuning issue?
  142. Tuners come in
  143. Installed AEM eugo wideband afr jumping around.
  144. Bad gas or something else
  145. looking to get my car tuned
  146. what are these DTC's from?
  147. LS1 Running Rich?
  148. EFANS...Problem
  149. Bad Injector Driver?
  150. Help with L92(LS3) into a 98 Camaro
  151. datalogging
  152. hypertech max energy
  153. Surging/RPMs Bounce when I take turns or stop
  154. Need to tune 1998 Firebird Formula
  155. part throttle stumble
  156. Map sensor symptoms p106 please help
  157. random idle missfire
  158. car wont pass all the monitors. need help
  159. tune for a 02 ws6
  160. codes thrown by HFC/removed cats...
  161. Engine Races to 3500 RPM Upon Start
  162. who publishes the best book on tuning an ls1 with hp tuners?
  163. Tuner in the Austin area
  164. terrible gas milage
  165. P0135 o2 heater circuit
  166. 1998 firebird 99 & up conversion Fuel level Gauge inop?
  167. Need Help w/HPTuners
  168. 98 a4 can this be tuned
  169. Top tuner in So Cal ?
  170. About to order wideband, have a couple questions
  171. P0102, LS1 running awful
  172. Can I run a wideband instead of a front o2 sensor?
  173. Tune for Ls6 intake and 373s?
  174. AEM, Holley Dominator or BS3
  175. asa cam tuning
  176. TRUE 15 mpg all city real-world driving in my 402 L92 top-end
  177. Carl or CJTUNES
  178. Throwing a PO650 & a P650 Pending??
  179. Leaning out OL to avoid smell
  180. 98 formula won't start after engine. Swap
  181. C5 PCM Question
  182. need a tune in lower michigan
  183. rich to lean
  184. Can I put an 01 Silverado 2500HD computer in my car?
  185. Modern Muscle = GREAT customer service
  186. Will a 05 corvette computer work on a 05-06 gto?
  187. Just to be safe
  188. DTC'S HP Tuner's ?
  189. Ls2 mass air flow sensor problem?
  190. Can someone look at this EFI log to make sure that my lockup clutch is bad?
  191. Need help/advice please
  192. Anyone having luck tuning the new 102 DBC?
  193. p0308
  194. Tach Output help
  195. got my pcm back today...the radio displays "Loc" ???
  196. STFT VE Tuning
  197. dyno question
  198. 94 lt1 missing after warm up
  199. How do you know what tune you have?
  200. RWTD tuning....i think I am getting screwed over...please help
  201. ls6 intake tune question?
  202. Need a cheap handheld to adjust some small things
  203. 2004 LS1 Corvette PCM/ECU in a 1998 LS1 Camaro?
  204. Tuners in Michigan
  205. o2 sensor problems
  206. Cheapest Way to Flash ECU Back to Stock
  207. Firehawk hesitates at WOT HELP!!!!!!!!!!
  208. Pulling a belt, low alt. voltage making the car run lean...Any answers to this?
  209. PCM, ECM, TCM Part Numbers Database
  210. Primary O2's...can they be tuned out?
  211. LS1 harness, LS6 ecu does not fit
  212. LS6 MAF wiring
  213. How long of a wait for Frost?
  214. PRNDL setting "HP tuner"
  215. tac module--throttle--computer compatibility
  216. Starting E85
  217. What is a good wide band o2 sensor?
  218. Burned pin on PCM, fix?
  219. PCM from Auto to Manual
  220. Help on 08 motor musclecar swap ecu
  221. 2004 Pontiac Grand Prix Readiness
  222. How to reset the security light on a 02 z28
  223. p0300 question
  224. LC-1 install in rear O2 sensor bung?
  225. What sensors does the LS1 PCM need to see for Cruise control to work?
  226. difference between LS1 f-body and LS2 truck harness????
  227. what year DBW
  228. need some tuning
  229. found gen3 timing tuner underdash???
  230. Mail order tune, car won't idle.
  231. Low speed surging after tune and cam install?
  232. p0300 Code after Heads and Cam
  233. Tuned By Frost?
  234. 99 5.3 pcm into 99 m6 f-body
  235. Best wide bands out there
  236. where do i find a computer?
  237. catalitic converter ?
  238. PNs for PCM Harness Seals
  239. Worth it to tune a stock T/A?
  240. please help
  241. EFI Live COS Wiring
  242. Oil pressure switch
  243. Best Wide Bands Any Opinions
  244. 4l80e on trailblazer Ss ecu
  245. LSX swap... Cam position sensor and tach...
  246. in need of
  247. Help, 0 degrees advance off the line
  248. How hard to tune solid roller?
  249. Idle
  250. OK to drive w/o tune? heads/cam ls1 | f-body manifolds | cat converters