I'm not sure the injector's have a recomended life parse. As long as they
are clean and seal when closed, don't leak externally, or at the lines, I
would just leave them alone. Did the gas smell go away? If not keep looking
till you find it! How about where the fuel line goes through the firewall?
(bad name)

Howard

>Subject: [VANAGON] How often to change Fuel Injectors?