Car Problem Reports

Nissan Sentra Fuel Pressure Regulator May Bleed Off Pressure Overnight

Nissan Sentra Problem
35 Reports
Me Too

Model Years Affected: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Engines Affected: 1.8L 4 Cylinder, 2.5L 4 Cylinder

Average Mileage: 90,821 mi (26,000 mi - 210,000 mi)


If the vehicle is hard to start after setting overnight, the problem could be the fuel pressure regulator has failed and is allowing the fuel pressure to bleed off. A failed fuel pressure regulator will should be replaced.

  • Visitor, , 1.8L 4 Cylinder, 210,000 mi

    After sitting overnight engine floods and will not crank without removing plugs and drying them, this only happens once or twice a week. Also using excessive gas.

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  • Visitor, , 1.8L 4 Cylinder, 110,700 mi

    I have to crank the car 2-4 times before the car starts.

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  • Visitor, , 1.8L 4 Cylinder, 75,000 mi

    engine hesitates to crank or takes to many turns to start the car. Once you drive the car come back and let it sit, try to start it again and it takes a few times before it does decide to start

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  • Visitor, , 1.8L 4 Cylinder, 180,000 mi

    Wont hold fuel presure

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  • Visitor, , 1.8L 4 Cylinder, 82,000 mi

    Long cranking before start.

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  • Visitor, , 1.8L 4 Cylinder, 130,000 mi

    had the pressure tested due to the fact the engine will not start right away its over 800.00 to replace

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  • Visitor, , 1.8L 4 Cylinder, 88,000 mi

    Same as above. When letting the car sit for any length of time, it will turn over for several seconds before starting.

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  • Visitor, , 1.8L 4 Cylinder

    Has a veryhard time starting, specially after a couple days parked.I removed air cleaner intake,filter is new.Engine sounds like it wants to start,but takes a long time.Finally fires.

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  • Visitor, , 1.8L 4 Cylinder, 50,000 mi

    Yep, won't start the first time but will on second or third try. Seems to be same problem of fuel bleed off. Haven't yet tried pump/regulator replacement or check valve fix. Nissan service bulletin NTB05-052a

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  • Visitor, , 1.8L 4 Cylinder, 85,000 mi

    I replaced the Fuel Pump Assembly with a genuine Nissan Fuel Pump Assembly--since it was significantly cheaper than the aftermarket one by Bosch. (The Bosch assembly also lacked the Fuel Tank Temp Sensor.)
    The genuine Nissan part includes the fuel pressure regulator, fuel level sensor, fuel tank temp sensor fuel pump, etc.
    Typically, dealer replacement parts contain modifications when known problems have arisen--like the fuel pressure bleed problem.

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