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  1. Throttle Follower, why is it used? (1 replies)
  2. need some help with pids. JOECAR? (20 replies)
  3. Running a 6.0 LQ4 on an 8.1 ECM/cal (5 replies)
  4. Fuel Injector Speadsheet For LS3 to LS1 Injector (24 replies)
  5. What's the Best way to go from a HPTuners Custom OS to EFI Live COS? (8 replies)
  6. reduced engine power p1514 KOER set at idle but P1518 set KOEO (21 replies)
  7. Flex fuel DBC OS (17 replies)
  8. New to tuning (2 replies)
  9. help with idle please i dont know how to fix it (0 replies)
  10. lower temps = more idle problems (6 replies)
  11. LQ4 Tunes (8 replies)
  12. Shift Light Help (22 replies)
  13. Lean Cruise is enabled but doesn't operate (6 replies)
  14. 4l60e gear select display (4 replies)
  15. Which vehicle / OS to use for instrument cluster (11 replies)
  16. adding fuel pressure and WB02 into ecu. (20 replies)
  17. Low idle when warm...help please! (7 replies)
  18. ol maf tune or ve maf open loop and lambda question (8 replies)
  19. MAP sensor driving me crazy (4 replies)
  20. dtc (1 replies)
  21. Need help with a tune before Monday 12 Jan 15 (31 replies)
  22. '98 to '02 RR with COS5 (4 replies)
  23. Help perfecting tune for more hp and 100 shot nitrous (6 replies)
  24. Help perfecting tune for more hp and 100 shot nitrous (10 replies)
  25. 2001 USDM 5.3 Tahoe LS1B PCM communications (1 replies)
  26. 512kb tune, full flash to 1mb pcm (2 replies)
  27. Boost VE table (1 replies)
  28. RPM drops the instant VSS is detected (3 replies)
  29. Custom 3 bar OS problem (7 replies)
  30. efi live tune ?on a 2005 z71 5.3 (1 replies)
  31. Are all 0411 PCMs the same hardware? (7 replies)
  32. Pcm slight issue (2 replies)
  33. How idle speed, corrections to idle speed and trims are calculated. (5 replies)
  34. B5910 - Zero? (1 replies)
  35. Let's talk refresh rate: logging PIDS (3 replies)
  36. Any body knows what difference between B6243 "Cylinder Mode" & "Engine Mode" (2 replies)
  37. computer randomly goes into security mode (1 replies)
  38. When running calc.vet what causes an incorrect VE build? (6 replies)
  39. newbie here with a program question. (13 replies)
  40. LS6 Misfire (40 replies)
  41. Help with my tune (3 replies)
  42. 5.3 4l80e tuning vehicle starting in second (3 replies)
  43. efilive or hptuners? (43 replies)
  44. Large misfire count on cylinders 4 and 7 (6 replies)
  45. New tune, and log, please advise gurus! (6 replies)
  46. Can't keep 5.3 running. RPM bounces up and down and then dies. (log file incl.) (17 replies)
  47. LT1 24x Conversion - No knock retard, ever. (14 replies)
  48. Bosch LSU 4.9 Sensor (10 replies)
  49. newbie needing some help please (25 replies)
  50. Should I Download to a Later Software Build (72 replies)
  51. 2000 Chevy 02 Sensor Delete? (5 replies)
  52. Does PE mode affect tuning VE table (16 replies)
  53. Valet tune? (7 replies)
  54. Ls1 auto transplant into manual landcruiser 4x4 (2 replies)
  55. Engine never starts on first time cranking (9 replies)
  56. Help getting my tune straitened out. (26 replies)
  57. Newbie Question: LQ4 Silverado Tune from AT --> MT <?> (7 replies)
  58. No tacho signal from ECM? (2 replies)
  59. Noisy MAF (1 replies)
  60. PE DELAY!!! What did I miss? Tune and Log inside (2 replies)
  61. What would stop car from providing spark during cranking? (14 replies)
  62. Find that timing retard! (15 replies)
  63. WTH checksum failed after flash on 2 pcms, now 2 dead pcms (15 replies)
  64. Fuel pressure fluctuation (0 replies)
  65. Air/Fuel vs. Timing on stock ls1 with boost (3 replies)
  66. I feel like I am soooo close!! (0 replies)
  67. can someone look at my tune please? timing and fueling issue (4 replies)
  68. Are my O2 Sensors screwed? (30 replies)
  69. P0200 Inj circuit Malf caused by spark wire? (8 replies)
  70. IAC steps very high. (23 replies)
  71. ID1000 are running rich at idle (6 replies)
  72. Stalling issues and KR...STILL (1 replies)
  73. Bricked my PCM, can I get my credits back? I emailed support and no reply?? (6 replies)
  74. LS6 4L60e 1948 Ford Pickup LTFTs 25+ @ Idle (15 replies)
  75. $0322 Error (1 replies)
  76. Engine Oil Temp on LS1B (10 replies)
  77. 2002 Escalade or Denali LQ9 Tune (4 replies)
  78. VE Map after CALC.VET update (22 replies)
  79. 60lb injector woes chicken or the egg (37 replies)
  80. help with stumped fueling issue (11 replies)
  81. Speed Density in light throttle (3 replies)
  82. Please someone help me 9360361 with a 4l80e segment. (5 replies)
  83. Bricked my ecm? (1 replies)
  84. custom 2bar os for 2006 gmc need help.Full details inside (2 replies)
  85. weird dips in timeing under cruise rpm (2 replies)
  86. 500inch bbc first fire on ls411 ecu.. external 24x crank ring and vortec cam sync (3 replies)
  87. firing order change. (8 replies)
  88. VE Table way off. Too high over 50%+ 4.8 (Picture / tune attached (5 replies)
  89. DVT - Cruise Control (16 replies)
  90. CNG OS's? (1 replies)
  91. Speed Density (12 replies)
  92. backfire and a stumble issues (1 replies)
  93. 98 Pontiac Firebird WOT Shift (7 replies)
  94. baro help needed (0 replies)
  95. Idle is working, Knock on deceleration (10 replies)
  96. Using rear O2 as front: I popped a P0134 and P0154 (2 replies)
  97. Flex fuel sensor input (11 replies)
  98. Chevelle LS1 Swap Idle Issues (20 replies)
  99. Trying Calc.VET sets P0101 - did I do something wrong or is my MAF bad? (13 replies)
  100. OK, I am lost. Can't get truck to idle!!!!! Pulling my hair out. (24 replies)
  101. PCM swap and DBW issue (8 replies)
  102. "Try alt keys" is my computer dying? (0 replies)
  103. Calc.vet on 1999 5.3 Silverado: dynamic air temp will not validate? (16 replies)
  104. Initial Timing Tune (0 replies)
  105. Finally got the initial tune done.... I hope. (7 replies)
  106. 5.3 swap going lean during wot/pe (2 replies)
  107. What to log for stalling issue (3 replies)
  108. Spark advance questions for boost tuning (2 replies)
  109. Idle Tuning - Whipple 2.9/ LQ9 Combo (7 replies)
  110. where to begin (5 replies)
  111. Need help guys (34 replies)
  112. Spark being pulled all the way to minimum spark advance B5915 (5 replies)
  113. LS1b 12606807 OS- what maps can limit throttle blade position (5 replies)
  114. Negative spark advance at throttle tip in. Why? (2 replies)
  115. Bootloader rejected (12 replies)
  116. boost issue on dyno (0 replies)
  117. Stand alone piggyback on 2002 crovette ls1 ecu ?s (0 replies)
  118. Newbie tuner needing help with idle! (19 replies)
  119. Has anyone run Lightning green top injectors? (0 replies)
  120. First time n00b Calc.VET... check my data? (17 replies)
  121. Converting LS2 dwell times in to LS1B (2 replies)
  122. stand alone harness for airboat (7 replies)
  123. 98 PCM 2 bar map sensor (5 replies)
  124. Values in tune being changed after saving and reopening tune (3 replies)
  125. COS5 with FBW and 4L80e (12 replies)
  126. Idle tuning (1 replies)
  127. random stall at idle (7 replies)
  128. What AFR to aim for TT 20 PSI car (5 replies)
  129. 58 tooth reluctor wheel in an 04' GTO? (3 replies)
  130. 99 SS LS1 Cold Start rough idle HELP (0 replies)
  131. Magnacharger use EFI Live? (17 replies)
  132. Idle AFR problem (2 replies)
  133. Speeding up GM.ASPARK (4 replies)
  134. 2000 OS to 2002 OS problems (0 replies)
  135. GM.DYNAIRTMP_DMA to B4901 in Calc.pid file? (2 replies)
  136. LS9 Injector Install In LS1, Injector Flow Rate Question (7 replies)
  137. 02020001 os boost ve table (1 replies)
  138. Cam Tune help please. (4 replies)
  139. GM.Battery & GM.Volt PIDs (3 replies)
  140. Timing Showing 0 during Idle (5 replies)
  141. TCC erratic release commanded by PCM (4 replies)
  142. 02 tahoe and 411 ecu vs ls1 wiring case vs isolated ground for e36 swap (0 replies)
  143. need help with wideband think something wrong (21 replies)
  144. OLSD tune and Trims section (1 replies)
  145. 512KB LQ9 Tune. Anyone have one? (8 replies)
  146. pin 42 c1 fan control (7 replies)
  147. Installing heads/cam/injector then procharger (0 replies)
  148. TPS won't reset to 0% (8 replies)
  149. GENIII LS1B Blue connector pin 33 funtion (8 replies)
  150. looking for a tune (2 replies)
  151. Rafig & Rafpn (0 replies)
  152. Is it possible to run LS2 58x reluctor with LS1 computer??? (6 replies)
  153. 4L80E won't keep converter locked during a shift (3 replies)
  154. Need help with FAST 92 and 102 intake and TB tuning (3 replies)
  155. KR on Gear Shifts (1 replies)
  156. IAT at idle and AFR (3 replies)
  157. Added CPP to LS1b, what tables are affected? (19 replies)
  158. 5.3 or 6.0 (4 replies)
  159. showing injector pulse width in scantool? (1 replies)
  160. Forced Induction Fueling (4 replies)
  161. Can´t get idle ls3/480 (5 replies)
  162. ls1b car won't start without flashscan V2 plugged in (3 replies)
  163. fuel gauge segment swap 98 pcm (9 replies)
  164. E40 OS Compatibility (0 replies)
  165. 2012 Escalade tuning (2 replies)
  166. Help with vehicle staying running and cold starts without throttle aid... (111 replies)
  167. Hard to start when cold (0 replies)
  168. 4x2 cal in a 4x4 (2 replies)
  169. Looking for L18 8.1 stuff... (10 replies)
  170. L92 on LS1B 00' PCM in backup mode???? (0 replies)
  171. Random lean spikes after letting off throttle (4 replies)
  172. 2003-2007 Green Blue ECU (4 replies)
  173. Cat over temperature protection question (6 replies)
  174. 03 Silverado SS stock tune needed (5 replies)
  175. Thinking of Flex Fuel, have ?'s (1 replies)
  176. Question about "Optimal Timing Table" (14 replies)
  177. Question about "Optimal Timing Table" (6 replies)
  178. AutoVE & AutoMAF HELP (11 replies)
  179. ID850 Injectors Tune (3 replies)
  180. Back to basics... VE tuning (5 replies)
  181. Getting Scanner to read Lambda (5 replies)
  182. check my calculated pid (9 replies)
  183. cos help (28 replies)
  184. code $0541 now wants me to license again? (2 replies)
  185. MSD 2 Step odd TPS Reading... (0 replies)
  186. 5.3 --> 6.0 cal changes (8 replies)
  187. Help looking over tune (62 replies)
  188. Looking for starter tune!! (3 replies)
  189. Need a tune for MS4 cam in 04 CTS-V (3 replies)
  190. Interesting Log File; Commanded AFR 16.00 in CL ? (6 replies)
  191. LS1B incorrect throttle response only on changed tune (2 replies)
  192. Can fault code for "high tps voltage" be disabled? (5 replies)
  193. Needing a stock 2005 5.3 calibration (2 replies)
  194. Random battery, abs, air bag and brake light. (1 replies)
  195. CalcMAF vs CalcVE (62 replies)
  196. LC1 serial cable logging?? (3 replies)
  197. DBW Issues (5 replies)
  198. JoeCar (9 replies)
  199. Charge Temp Blending, no MAF (15 replies)
  200. 0411 from a 4.3L work? (3 replies)
  201. Converting my Camaro from 4L60 to M6 COS5 (4 replies)
  202. how do you know when Gen3 is cable throttle or Drive by wire? (7 replies)
  203. id2200 injectors settings (57 replies)
  204. I think the ecm is dead (4 replies)
  205. Do I need the PIM to receive data? (7 replies)
  206. Can my 1Mb 2005 LS1b get a LS2 OS? (7 replies)
  207. silverado MAF tune (15 replies)
  208. calc.pid /sae.generic - pid resoultion question (7 replies)
  209. PCM Isn't Grounding Fan Relays. (0 replies)
  210. 2000 Pontiac TA WS6 - Manual Tranny to 4L65E Swap - Tune Questions (2 replies)
  211. Closed loop... commandable? (10 replies)
  212. How to Force Closed Loop at ALL Times? (10 replies)
  213. stock 05 5.3 - why is commanded/delivered fuel so far off? AutoVE (13 replies)
  214. Maf scaling (16 replies)
  215. Fuel Injector Rates (8 replies)
  216. 85mm truck TB on LS1 tune initial setup??? (4 replies)
  217. MAF Sensor Calibration '98 Trans Am (3 replies)
  218. Help with tune!! (0 replies)
  219. 4l80e upshifting when held in gear (43 replies)
  220. what factory tune do i need to start with my car? (7 replies)
  221. Air/Fuel Ratio Adjustment (6 replies)
  222. Logging Spark During Start-up (3 replies)
  223. Tuning new injectors (20 replies)
  224. 8.1 PTO tables (4 replies)
  225. Custom Tune Help (3 replies)
  226. Advise or Base tune for 217/227 LSA114. (0 replies)
  227. LQ9 wont stay running after FAST LSXrt 102mm tb/intake swap...HELP? (46 replies)
  228. Stockish 99 SS M6 log- Something feels off (7 replies)
  229. 04 gto 4l60 has manual tune installed? (3 replies)
  230. Suggestions on most efficient way to tune after installing FAST LSXrt intake... (10 replies)
  231. 1998 F-body segmented OS's (6 replies)
  232. Stock lq9 idle issue! (4 replies)
  233. PCM losing it's Crank Reference? (3 replies)
  234. truck surges when AC on and in Drive at idle speeds only. (1 replies)
  235. Knock when coming into boost (48 replies)
  236. Idle Problem Help Please (7 replies)
  237. Fast 36 lb injector Bocsh? (3 replies)
  238. Flex fuel question (0 replies)
  239. Speedometer recalibration (0 replies)
  240. LTFT's and timing modification (5 replies)
  241. How does the Spark tables work together? (43 replies)
  242. HELP: 2005 Avalanche PCM issue after full flash (35 replies)
  243. Attempting to get tune correct so no gas pedal is needed on cold starts... (14 replies)
  244. IAT mystery (6 replies)
  245. Not sure where to look (4 replies)
  246. RPM drop when step on brake in P/N (8 replies)
  247. P0343 Error, Have checked/tried everything, CASE relearn the cause? (12 replies)
  248. idle issue after 60+ miles of driving (2 replies)
  249. Setting Traction Control to be OFF all the time on a 2002 Manual Z06 . (2 replies)
  250. Problems after reflashing (28 replies)