2006 Volvo S40 "pressure regulator keep car starting" Questions

...cranking to start. My best way forward would be to replace the fuel pressure regulator. The vacuum pipe also came loose that cause misfiring and engine stalls. Apart from that the engine run

pack replaced, if that has anything to do with it... sounds like either the cam or crank sensor is going bad, test both and get back to me Same problem on our 2001. Replace the fuel pressure regulator

pressure regulator P1 but Volvo REFUSES to fix the problem attach code reader while engine light is on to find what code is stored in the ECU to get to a starting point. there are several issues which

pressure regulator. Both are cheap fixes and I'd definitely start there. Very similar problem, my car does not idle when i first start it. I have to keep my foot on the accelerator otherwise the RPM's

...pressure regulator on the fuel rail has developed a fault. Have the pressure in the fuel rail measured (there is usually a Shrader valve on the fuel rail for this very purpose). If you disconnect the ...

...pressure regulator and spark plugs what could it be. this problem only started after i fixed the fuel pressure regulator. probly shud change distributer cap and plug cables--they wear out--ignition ...

...pressure regulator, and fuel pressure even if i can't get the car started? The regulator only controls pressure, so it either blocks return to the tank or allows all pressure to flow back. If it ...

...pressure regulator by pulling the vacuum line off and check for fuel there should not be any.Then start the car and with a pressure gauge hooked up to fuel rail pull the vacuum line off the pressure ...

...pressure regulator. Could the problem be the TPS? or cam sensor? The fuel pressure you listed is to low, The regulator should keep the pressure down to at least 45psi,removing the vacuum from the ...

...causing this ? The fuel pressure regulator has a check valve in it ti keep up fuel pressure when the engine is not running. There is a test port on the regulator to connect a fuel pressure test