Volvo Troubleshooting Questions? Ask a Mechanic for Answers ASAP
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Since it was able to be restarted and the issue did not continue this sounds like an electrical component that possibly heated up and lost signal or sent an incorrect signal causing this.With no power or acceleration with this issue here this can be a fault with a component like the throttle position sensor sending an incorrect signal.I have seen this fail before needing replaced.If it acts up again I would have a compatible scan tool plugged into your model to see what codes are set.Once this is done any codes set will need to be diagnosed to help locate and correct this issue here.Most shops or a dealer can read out the codes for you as well as diagnose the fault if a code is set.If no codes are set then the shop or dealer may need to drive the vehicle to then duplicate the fault to fully diagnose and repair it from there.
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