Question about Volvo Cars & Trucks
Vacuum leak, oxygen sensor or possible bad air mass sensor. Disconnect the mass air flow sensor and it will go to a default but stay running. If not try disconnecting the oxygen sensor and see if it stays running.
Posted on Apr 09, 2015
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Posted on Jan 02, 2017
check the emergency fuel shut off switch it may be half set it is on the firewall by the clutch pedal reset it if that does not work it is a relay or a short in the pump it is not pushing enough pressure to keep it running
Posted on Jan 01, 2009
If you haven't changed the fuel pump relay, that will be the problem.
It's the one on the right side behind the ashtray.
Hope that sorts it out for you.
Posted on Jul 24, 2009
SOURCE: how many fuel pumps and
Posted on Jul 23, 2011
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