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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: Car Volvo 740 Turbo 2.9L Big turbo H-beams Race pistons Race crankshaft Big valves Ported Race camshaft 12 mm lift Issue. Having problems using lambda correction. It seams if the car is running lean it will not correct/regulate only if running rich it starts to correct. If we set it to regulate 100% rich and lean it seams to do some kind of correction. Another thing is the wideband is showing data the same time car is started so warm time (120) has no effect. Ecu has been upgraded from 1.1.75 - 1.1.96 - 1.1.95 Log file her http://www.vems.hu/files/MembersPage/PeterJensen/volvo_740/v3.3_n002480-2012.04.15-15.39.28.vemslog * Can you upgrade to http://cell.dyndns.ws/f/v3_firmware_1.1.99.zip ? **1.1.99 was tested this morning, the lambda function not perfect yet. Do you use any special function wich requires new firmware? ** it supports 2 wideband sensors (default is still 1 wideband). The ego correction condition was reworked (disables ego if nernst or Ri is off-target) * it's hard to tell why ego was off at certain points with the captured 1.1.96 log, But note that more than +5..15% rich or more than 30% lean should never be needed. (tune to appr 2..3% richer and you'll have around egocorr=97..99 most of the time Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.