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no injector ground pulse 700 1990

posted by  s_goodman on  Wed Jul 20 07:07 CST 2005
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last visit: Fri Sep 27 01:31 CST 2013
[RELATED]

I'm working on a 740 that has no ground pulse. I have changed the ECU and it didnt change the fast that it wont run. I can run a ground to an injector and it will run, but that way it gets to much fuel. any ideas?
--
restored 1980 264 diesel being modified for a b30, 1967 1800S, and 73 1800 ES








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no injector ground pulse 700 1990

uid 18083's pic
posted by  lucid on  Wed Jul 20 07:22 CST 2005
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

The FI ECU may not be getting the timing pulse from the EZK CU -- on the other side of the car I believe.

As a start, search (at the top of the screen) on "dogsloose" for a long thread on this same problem.

As I recall, it was a chafed or open wire from EZK to the FI ECU.
--
Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.







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