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2005 xc70 dtc 280b, fuel pressure sensor

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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mrscullini
Posts: 440
Joined: 13 November 2006
Year and Model: 05 XC70, 08 XC70
Location: Truckee, CA USA
Has thanked: 1 time

Re: 2005 xc70 dtc 280b, fuel pressure sensor

Post by mrscullini »

monitored the fuel pressure with my scanner this morning. pressure seems to bounce between about 312-324 kPa. even under acceleration as getting on the freeway. this was interesting, as i let off the throttle getting of the freeway, the pressure spiked to about 550 kPa, this was with no throttle. did not feel anything different with engine speed, etc.

does this seem correct? can the fuel pump put out that much pressure? i assume the pressure signal is coming from the pressure sensor.

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