Problem Reports
Volvo S40
Report: "Hard start" Due to Leaking Fuel Pressure Regulator
Volvo S40 Problem
Model Years Affected: 2000, 2001, 2002, 2003, 2004
Average Mileage: 120,093 mi (56,000 mi - 163,000 mi)
The fuel pressure regulator can leak and cause a hard start condition, without any faults recorded in the engine computer.
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bralan, 2002 Volvo S40, 80,811 miEnthusiast
Hard start due to leaking fuel pressure regulator. Misdiagnosed as starter problem.
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Visitor, 2003 Volvo S40, 85,000 mi
The car would occaisionally stall when coming to a stop. Occaisionally would hesitate when going at a green light. Progressively taking longer to start; first it took half a second longer then it took a second longer than usual (noticeable to all in the car). Check the vacuum hose to the fuel pressure regulator to see if yours is cracked. If it is cracked and you find any fuel in there its the fuel pressure regulator. If there is no fuel, just replace the vaccum line. This is a common issue so you can search the enthusiast forums for details. Misdiagnosed as the fuel filter and changing it did help but did not solve it. Try fixing the vacuum line first as it's a lot cheaper than getting the entire fuel pressure regulator ($230 from Volvo). The entire replacement of the unit involved 1 bold and takes 10 minutes if you have no idea what you are doing.
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Paolandra, 2001 Volvo S40, 131,682 miRookie
My wife hads trouble starting the car this morning. I tried when I got home it took some time but when I gave it some gas and had kept it cranking for a few extra seconds it started but wanted to die. Kept the idle at 1500-2000 for about 30 seconds then took it for a drive. Drove fine plenty of power and no hesitation. Gas milage has been normal I guess she has not complained. Could this be this similar problem with the fuel pressure regulator or something different.
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gghazarian, 2001 Volvo S40, 157,000 miRookie
Cold morning car was turn over then stall. Tried several times same thing happened. Just recently replaced (within last 10K miles) spark plugs, fuel filter, ignition coils, and the idle air control. Also the car was not throwing any codes during this process.
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layifioren, 2001 Volvo S40, 110,000 miRookie
It take a while to start when cold and one can small gas in the vehicle after it starts
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Visitor, 2004 Volvo S40, 163,000 mi
Hard to start in the morning hours.
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Visitor, 2002 Volvo S40
If you turn the key quickly to start it will fire and then stall. You have to completely turn the key off and then try again to start the S40. On the second try it turns over a long time before it finally starts.
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Enthusiast
Still dealing with this problem, I purchased a used 2001 car in July of 2010.
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Visitor, 2000 Volvo S40, 102,000 mi
Same problem, the regualtor diaphram basically just wore out. I replaced and viola! Just like new, the part was pretty cheap, and if u buy from autozone.com when u spend $100 they give u a $20 gift card that u can use online or in stores and I used mine on new wiper blades.
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Visitor, 2002 Volvo S40, 140,000 mi
HARD START SMELL OF FUEL
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