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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: I have gasoline (Siemens 630cc High-Z injectors 12ohm) connected to first injector bank (INJA-INJD)... I have LPG (MED Low-Z injectors 1.7ohm) connected to second injector bank (INJE-INJH).... Both sets are connected at all times.... LPG injectors are on PWM and gasoline injectors are not on PWM... I have high voltage transistor flyback and it works fine... LPG injectors have low voltage 12V flyback.. We did hardware hack to disable PWM on gasoline injectors, but it seems now that it's not needed... In software, we can set rampup time for gasoline injectors 25ms, and they would see PWM at all... '''The problem is LPG injector closing time!''' I have ruff idling, missfires, high consumption, etc... We were thinking of making 4 low voltage active flybacks for LPG while PWM, and then after injector is off, use high voltage flyback for that injector so it would close fast.. Active flyback while in PWM.... It is disabled after PWM when high voltage flyback takes place... http://memimage.cardomain.com/member_images/9/web/705000-705999/705337_240_full.jpg Hardware hack to disable PWMing on first bank (INJA-INJD)... http://img205.imageshack.us/img205/8632/lpgmodei8.png 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.