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Only stays running when fuel pump fuses are jumped together 200 1990

posted by  pageda on  Thu Aug 25 09:42 CST 2016
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last visit: Fri Oct 24 13:18 CST 2014
[RELATED]

Phil
This is a safety feature of these Volvos so the fuel pump stops pumping fuel in case of an accident. You can run it like you found but the fuel pump does not stop until you remove the jumper.

I have seen a work around that involves wiring another relay in place to bypass the failed circuit in the ECU. You would have to google this repair or maybe Art will see this and comments.

https://www.volvoclub.org.uk/faq/EngineFIComputer.html#ECUWorkaround

The easiest solution is to replace the ECU with a white label 951.
Dan






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