Hi Jerry, That is an excellent idea; the problem is that it can only be implemented at a time when the failure is occurring. So far the problem has been an occaisional inermittent issue, happening for at most 2-3 seconds (usually a lot less) while operating at highway speeds. There's no opportunity to get out and do any checking; the only instruments available for diagnosis are the tach and speedometer. In the interest of piece of mind and public safety I would prefer to be proactive and resolve this issue BEFORE it puts me at roadside with a meter; so a new coil, cap, rotor, polug wires and distributor are soon to be installed. Happy Trails, Greg Potts 1973/74/79 Westfakia "Bob the Tomato" 1987 Wolfsburg Weekender Hardtop www.busesofthecorn.com www.pottsfamily.ca Jerry wrote: > Why not perform the continuity and voltage > checks as listed in the Bentley. These tests will > check your coil, hall sender harness, ECU > and the hall sender. You can do all these checks > with volt/ohm meter. > > > JB 88GL Guido > > > On 3/1/09 11:36 PM, "David Beierl" <dbeierl@ATTGLOBAL.NET> wrote: > >> At 11:27 PM 3/1/2009, Scott Daniel - Turbovans wrote: >>> it would be interesting to rig a timing light so you can observe it while >>> driving. >> Actually, rigging a logic probe to the Hall sender input of the ECU >> would immediately tell whether the distributor/wiring is the culprit >> or not. Or a scope, of course. But last I knew Radio Shack sold a >> logic probe for $25. >> >> >> -- >> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/ >> '89 Po' White Star "Scamp" >
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