Really bad fuel economy, engine runs rough when warm (possibly won't start or hard to start when warm), possibly black smoke from the exhaust, unusual noises from the fuel pump, and general poor performance.
How do you check if a 92 accord fuel pressure regulator is bad?
Symptoms of a Bad Fuel Pressure Regulator Check related link below
Asked in Acura RSX
How do you diagnose bad fuel pressure regulator Acura RSX type s?
Do a fuel pressure test
Asked in Oldsmobile Aurora
Would a bad fuel injector pressure regulator on 98 olds aurora cause car to stall at idle?
A bad fuel pressure regulator will cause the car to stall or not run .
Asked in Mazda RX-7
How can you tell if the fuel pressure regulator has gone bad in a 1988 Mazda rx 7?
you have to use a vacuum pump and aply pressure to it and if fuel goes into the regulator then its working. ...
Asked in Fuel Filters, Chevy Suburban, GMC Suburban
What if the fuel pressure for a 1999 suburban is not 55-60lbs?
Then you have a BAD fuel pump. Replace the pump and filter. If it is higher then 63 LBS. then the fuel pressure regulator is bad. ...
Asked in Fuel Pumps, Chevy Celebrity, Datsun, Grand Prix SE
If a car loses fuel pressure while increasing the throttle what is that a sign of?
either your fuel pressure regulator is bad or the fuel pump is weak and going ...
Asked in Fuel and Fuel Intake, Chevy Blazer S-10
How do you know if your fuel pressure regulator is bad if it is inside the intake manifold?
its not in the manifold it should be on your fuel rail
Asked in Honda Civic
Symptoms of a bad fuel pressure regulator 2001 Honda civic?
You will have and possibly no start. Remove the regulator vaccum, turn the ignition on and it shouldn't spray gasoline, if it does the regulator is bad. ...
Asked in Cars & Vehicles, Fuel and Engines
Will bad fuel pressure regulator on 1992 Legend cause a rough idle?
many different factors can result in a bad idle on a vehicle. some of them is the fuel pressure regulator, the throttle positioning sensor (located on the throttlebody) and faulty plugs & wires, or fuel injectors ...
How can you diagnose a bad fuel pressure regulator?
Disconnect the vacumm line at the throttle body. If fuel is spurting from the vacumm line then the reg is bad. ...
How do you know when a fuel injector pressure regulator is going bad?
You will need to test the pressure of the fuel system with the regulator on and then disabled. You will need a manual for the correct pressures. Be sure to read the fuel warnings in the manual as the fuel rails will be under pressure even with the vehicle turned off. ...
Asked in Fuel Pumps, Chevy S-10, Chevy Blazer S-10
Why is your 2000 Chevy s10 not starting from zero fuel pressure with a replaced fuel pump?
A few possibilities could be the fuel pump relay is bad, the fuel pressure regulator is bad, the fuel pump circuit wiring may be bad and maybe the new pump is bad. ...
Asked in Cars & Vehicles
Why when you press on the gas pedal in accelerates but then slows down?
Bad fuel filter Weak Fuel pump Bad fuel pressure regulator Plugged Catalytic Converter ...
Asked in Nissan Maxima
My 93 Nissan Maxima does not have a lot of power and drinks lots of gas?
You either have bad fuel injectors or your fuel pressure regulator has gone bad ...
Asked in Buick Riviera
Why do i have Low fuel pressure in 1995 supercharged Buick Riviera?
weak fuel pump, clogged fuel filter or a bad fuel presser regulator
Asked in Chevy Camaro Z28
What could cause high fuel pressure on your 1991 z28 camaro?
A bad fuel pressure regulator or a clog in the fuel return line that leads back to the tank will cause this. ...
Asked in Chevy Blazer S-10, Symptoms
What are symptoms of a damaged Fuel Pressure Regulator in a Blazer 98 4.3L V6 Vortec?
If you Google "Symptoms of a faulty fuel regulator" you will get quite a few hits. If the regulator is bad it may cause either a drop in fuel pressure or an increase in fuel pressure at the rail . A drop in fuel pressure, if severe enough, can cause bad or no idle condition, engine starving for fuel and etc. If the regulator is causing excessive pressure it can cause fouled plugs, black smoke from exhaust and rough engine performance. Before you change...
Asked in Chevy S-10
How will the Chevy run if the fuel pressure sensor is bad?
Assuming you mean "fuel pressure regulator", year and engine size info we need to know, it matters. ...
Asked in Porsche 944
What is the setting for a Porsche 944 non turbo fuel rail pressure setting I have a aftermarket Lindsey racing fuel rail with regulator?
according to the haynes manual the normal operating pressure for the n/a fuel rail should be 48 psi. If it is below that, you have a bad fuel pump. If you unplug the regulator vacuum hose and the fuel pressure goes above 58 psi, your regulator is shot. ...
Asked in Ford Explorer Limited
Why does my 1994 Ford Explorer lose fuel pressure after running for a short time shut off vehicle and start it back up and fuel pressure returns?
Sounds like a bad fuel pressure regulator. That may be, but my experience with fuel pressure regulator failure was major overloading with fuel. This regulator is vacuum operated and when the diaphagm fails it won't open and allow excess fuel to return to the tank. Rather, I would presume it to be the fuel filter needing replacement. ...
Asked in Chevy Blazer, Chevy Blazer S-10
Why does my 2001 Chevy Blazer Stall on turns and deceleration?
it something with fuel delivery maybe a bad fuel pump, filter, or fuel pressure regulator ...
Asked in Fuel Filters, Fuel Pumps, Honda Accord LX
1991 Honda accord why there is no gas coming up after i replaced the fuel pump?
Did you replace the fuel filter? It can also be a bad fuel pressure regulator. ...
Asked in Fuel and Fuel Intake
What would cause the fuel system on your 3.1 cavalier not to hold pressure when not running?
The fuel pressure regulator is bad, one or more fuel injectors is leaking or the check valve in the fuel pump is faulty. ...
Asked in Chevy Silverado
How do you check the injector pressure regulator on a 2000 silverado 5.3 liter?
If you look at it you will see a vacuum line hooked to it, while the engine is running unplug it and the engine sound should change. If it don't then the regulator is bad. You can also hook up a fuel pressure gauge to the fuel line and read what the pressure is while engine is idleing and then unplug the regulator and the fuel pressure should go up a few LBS. If not replace regulator. ...