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What else can I help you with?
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.
Would the fuel injector pressure regulator cause a low idle?
NO.
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 .
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
What would cause a 1997 park avenue not to start?
I would try replacing the fuel pressure regulator. That was my problem.
Does pressure regulator make a car not to start if its damaged?
A damaged fuel pressure regulator can cause a car not to start.
What would cause gas to be in the oil on a 1988 Jeep Cherokee Pioneer 4-cylinder.?
If this vehicle does not have an electric fuel pump, then the fuel pump diaphragm has a hole in it. Replace the fuel pump. If it is fuel injected, which I think it is, then you have one or more fuel injectors that are bleeding off after shutdown. Have the fuel pressure regulator and the injectors checked.
What would cause fuel pressure drop overnight on 2003 Chevy s10 4.3L MFI?
Could be a faulty check valve in the fuel pump, a leaky fuel injector poppet or a leaky fuel pressure regulator. My guess would be the fuel pressure regulator.
Would cause gas to pour out the tailpipe on a 1994 Ford Thunderbird?
May be a bad fuel pressure regulator.
What would cause gasoline to leak into the oil filter?
The gas is probably not leaking into the filter but the engine. It's caused by a broken diaphragm on the fuel pressure regulator. Replace regulator
What can cause fuel starvation on a Hyundai Accent MVi?
Start with the obvious parts. Have the fuel pressure checked. Check the fuel pressure regulator, the fuel pump, and the injectors. If that's all fine, perhaps it's one of the sensors that controls the fuel/air mixture.
Can a bad fuel pressure regulator cause the check engine light to come on?
That would one of hundreds of possible causes.
