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Old 12-05-2011, 10:07 AM
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Join Date: Apr 2011
Posts: 1
Default 2004 S60 Fuel Pressure Problems...Help!

Hello,

I'm new to the Volvo S60. This one has about 95,000 miles on it.

The dealer has just replaced the Fuel Pressure Sensor under recall. The problem was surging and stalling. The new Sensor didn't solve the problem.

I connected my code scanner and the fuel pressure is jumping all over the map. It goes as low as 5lbs. when driving (car jerks) and as high as 78lbs. and also throws a fuel pressure sensor code.

The mystery is that after about 30 minutes of driving, the car settles down and runs fine. The fuel pressure stays at about 54-55 lbs. I've erased the code and it doesn't return until the next day when the engine is cold when the problem starts all over again.

Could this be a loose wire on the fuel pump, a bad fuel pump or a bad fuel pressure sensor?

Any help would be greatly appreciated...many thanks in advance.

The Tenor Man
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  #2  
Old 12-05-2011, 10:20 PM
Junior Member
 
Join Date: Dec 2011
Location: Albany NY
Posts: 21
Default

how about a bad fuel pressure regulator? stay stuck open in the morning ( low press) or stuck closed ( high pressure) later?? I'm new to volvo's but i've had similar issues with other cars.....if these cars are like other ones i've worked on, the fuel pump always runs.....constant flow rate......the pressure regulator adjusts the pressure by allowing some fuel to flow back to the tank......worth thinking about!
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Old 12-05-2011, 10:20 PM
 
 
 
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05, 2004, ford, fuel, high, pressure, problems, regulator, s60, s60fuel, sencer, sensor, symptoms, volvo, vovo


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