Volvo Fuel pressure regulator replacement
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Volvo Fuel pressure regulator replacement
Does My Volvo Fuel Pressure Regulator Need Replacing?
An internal combustion engine (ICE) needs a constant supply of fuel to stay running, and the fuel pressure regulator keeps the fuel pressure in the ‘sweet spot’ whenever your engine is running.
For most Volvo's, the fuel pressure regulator will perform perfectly throughout the car’s whole life. However, unexpected issues can pop up that require fuel pressure regulator replacement, but typically on cars with at least 100,000 to 150,000km on the odometer.
When a fuel pressure regulator fails, it’s almost always suddenly. You may notice fuel leaking at the fuel rail, excessive black smoke from the exhaust, engine running rough or not at all or the check engine light illuminates.
The fuel pressure regulator is located near the fuel rail, either attached directly to one end or mounted on the firewall a very short distance away. Even if there are two fuel rails like on a V6 or V8 engine, there’s usually just one fuel pressure regulator to serve both.
The fuel pressure regulator is constructed of a metal housing fitted securely to the fuel rail. The fuel pressure regulator restricts the flow of fuel exiting through the fuel rail, then releases unused gas into the fuel return line.
The diaphragm in the fuel pressure regulator can become stuck or damaged, either building too much pressure at the fuel line or not enough to keep the Volvo's engine running well.
The only solution is fuel pressure regulator replacement. Some engines require several hours of disassembly to access the fuel pressure regulator, inflating the cost of repair significantly.
Volvo fuel pressure regulator replacement should be thoroughly diagnosed as problems like faulty fuel injectors or a failing fuel pump that can mimic fuel pressure regulator failure and that’s a service AutoGuru can help you with!
Volvo Models
- Volvo 142
- Volvo 144
- Volvo 145
- Volvo 164
- Volvo 240
- Volvo 242
- Volvo 244
- Volvo 245
- Volvo 262
- Volvo 264
- Volvo 265
- Volvo 360
- Volvo 440
- Volvo 460
- Volvo 480
- Volvo 740
- Volvo 760
- Volvo 850
- Volvo 940
- Volvo 960
- Volvo C30
- Volvo C70
- Volvo Cross Country
- Volvo S40
- Volvo S60
- Volvo S70
- Volvo S80
- Volvo S90
- Volvo V40
- Volvo V50
- Volvo V60
- Volvo V70
- Volvo V90
- Volvo V90 Cross Country
- Volvo XC40
- Volvo XC60
- Volvo XC70
- Volvo XC90