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Location of fuel regulator on 2007 xc70 volvo

Help, Advice, Owners' Discussion and DIY Tutorials on the third generation Volvo V70 wagon and XC70 crossover, and second generation S80. Are you an owner? Prospective owner? Get in here and join us! Start a new topic or comment on an existing thread.

2008-2016 V70
2008-2016 XC70
2007-2016 S80

Buckywhite
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Year and Model: 2007 xc70
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Location of fuel regulator on 2007 xc70 volvo

Post by Buckywhite » Sun Dec 22, 2019 11:15 am

Location of fuel pressure regulator on 2007 xc70 volvo

jimmy57
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Re: Location of fuel regulator on 2007 xc70 volvo

Post by jimmy57 » Sun Dec 22, 2019 7:05 pm

The fuel pressure sensor on end of fuel rail sends signal to ECM and ECM varies control signal to pump electronic module (PEM) that on your car should be in spare tire area. The PEM controls current to fuel pump to keep fuel pressure in the desired range. There is a fuel pressure regulator built into the cap for the fuel pump but it is a max pressure that it regulates and that is only the standby in the event the FPS-ECM-PEM control fails. The ECM defaults to full pump current then and that FPR in tank is the backup.

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