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86 240 Wagon suddenly won't run without pumping gas 200 1986

uid 18083's pic
posted by  lucid on  Sun Jan 9 02:00 CST 2005
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last visit: Fri Oct 24 12:31 CST 2014
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1) I also disconnected the AMM and can get it to run better.
That is THE definitive test for a failing AMM.

2) I did all the tests that are detailed in Haynes and the AMM checks good on all the tests. !!!
The consensus among Brickboard experts is that these meter tests seldom prove anything, and are not to be relied on.

3) Next I tested the throttle switch (TPS) and it has no continuity ever so I think it's bad. It also does not have the audible "click". I'll buy a new one Monday and try it. ???
Good idea, if you checked between center terminal to the Idle terminal.

4) I don't know though why if this is the problem the disconnected AMM helps especially since it checks out electrically.
The TPS is probably a secondary problem. IMO, the unplugged AMM is more significant, and the meter tests are questionable at best
--
Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.






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