Use to test ECO and TDI diesel pump timing on engines with a divided pump gear.
http://cgi.ebay.com/ebaymotors/VW-TDI-3359-Diesel-Pump-Pin-Engine-Timing-Repair-Tool_W0QQcmdZViewItemQQcategoryZ35625QQihZ002QQitemZ4625726483QQrdZ1QQsspagenameZWD1VQuoteUse to test ECO and TDI diesel pump timing on engines with a divided pump gear.
i guess its for electronic timing?