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There are two tests for your pressure regulator. First pull the vacuum hose. The vacuum hose is the smaller one that goes to the intake manifold. If fuel comes out of the vacuum line the regulator is bad.
The second test is to remove the regulator and check that there can be no reverse flow through it. To do this start your car and pull the fuel pump fuse. Allow the car to run until it dies. This will relieve the fuel pressure. Turn the car off. Undo the bolts holding the regulator down and then carefully pull it up off the rail. Keep some rags around for spilled fuel. Clean the regulator and the blow into the outlet tube, the one that sticks out the top at an angle and is the medium sized one. You should not be able to blow through it.
To re install your regulator or install a new one put a new o ring on the bottom tube and rub some mineral oil or silicon lubricant on it and push it into its hole straight and carefully. Put the hold down bolts into the bracket and torque them to specs in your manual. Reconnect the outlet tube to the return hose and the vacuum outlet to the vacuum hose.
What else can I help you with?
How can I tell if my window regulator is broke on 2000 vw beetle?
You can tell if your window regulator is broken on a Volkswagen Beetle when you hear a big clunk as it goes down.
Where is the starter motor on a 323 BMW?
i have 2000 bmw 323i 4 dr sedan and need to change motor starter , can tell me where it is? and step by step with pictures if it possible how to remove and reinstalled it . thank you max
How do you tell an external from an internal regulator on an alternator?
In most cases if it is an alternator then it has an internal regulator
What time is it if the hole in the back of the gas grill regulator is leaking gas?
Look at your watch to tell the time. If the gas grill regulator is leaking gas, replace it.
How do i tell if the regulator in an internal one or an external regulator buy looking at the alternator?
On a Delco, an external regulated alternator has a square plug, while the internal has a rectanguler plug.
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.
What are the release dates for To Tell the Truth - 2000?
To Tell the Truth - 2000 was released on: USA: 18 September 2000
Can you tell me what a window regulator is?
Window regulator controls the up and down motions of your car window. Both electric and manual windows have a window regulator. Not the easiest part to replace, but once you dissembled the door panel it should be fairly simple to replace.
Where is the fuel pressure regulators?
Could YOU tell me where the fuel pressure regulator is on a 95 astro van
What are the release dates for To Tell the Truth - 2000 Frisbee Dog?
To Tell the Truth - 2000 Frisbee Dog was released on: USA: 2000
What would cause fuel to be on the spark plug of a 2000 Camaro?
There could be several causes. The fuel pressure regulator could be leaking. A spark plug or plug wire that is defective. You did not mention if the check engine light is on. It could tell you in which area to look.
What are the release dates for To Tell the Truth - 2000 Speed Racer?
To Tell the Truth - 2000 Speed Racer was released on: USA: September 2000
