Question about 1995 Toyota Tacoma

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Toyota V6 3400 Need to know where fuel regulator is and what should be the pressure of fuel?

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The fuel pressure regulator is on the driver side fuel rail, close to the back of the engine. You need to pull the intake plenum off to access the pressure regulator.

The normal operating fuel pressure is 38 to 44 PSI

Thanks for choosing FixYa for assistance.

A "FixYa" rating (4 blue diamonds) would be greatly appreciated. Thnaks in advance, and please feel free to re-contact me if you need any further assistance. Thanks, again.

Posted on Feb 21, 2009

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My 2007 Toyota isis iaz.read code P0191


Anon, Trouble code P0191, You may need a good tech. with scan tool to read and test system.
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Where is the 2002 corolla fuel pressure test port


LOOK ON THE FUEL INJECTORS RAIL YOU SHOULD SEE A BLACK CAP THAT LOOK LIKE A TIRE AIR PRESSURE STEM REMOVE THE CAP AND FUEL PRESSURE REGULATOR IS THERE

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What is the fuel pressure of a 1992 Toyota Celica?


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My 1994 toyota camry idles then dies out


I would inspect the large flexible hose, between the air cleaner box and the intake manifold, for a crack or hole.

Also possible is low fuel pressure or a faulty fuel pressure regulator. To check this you need a fuel pressure gauge connected at the fuel delivery rail.

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1 Answer

How to solve fuel pressure problem


I don't know the Tacoma, but in general low fuel pressure can be caused by

- defective fuel pump
- blocked fuel filter (less likely)
- defective fuel pressure regulator
- vacuum leak in the line to the regulator

The main thing is to isolate where the fuel pressure is too low. This is done by measuring pressure with a gauge at various points eg

- filter inlet
- filter outlet
- pressure regulator
- fuel rail

A typical procedure is here, p167 on

http://www.turboninjas.com/camry/eg1.pdf

If there is NO pressure, the most likely cause is a failed fuse or relay. There are a few of these involved in supplying the fuel pump, and you will have to locate and inspect each.

Dec 24, 2011 | Toyota Tacoma Cars & Trucks

1 Answer

On my toyota twincam 4 A-GE motor the fuel is not been returned to the tank. from the tuel rail. there is a high amount of pressure on the feul rail inlit.what could be the problem?


With fuel pressure gauge hook up, check reading, then disconnect vacuum hose from fuel pressure regulator, regulator sit on injector fuel rail, fuel pressure should go up, if it don't fuel pressure regulator stuck close, and not letting fuel back into fuel tank, hope this was very helpful.

Aug 27, 2010 | 1992 Toyota Corolla

1 Answer

I need instructions on how to replace a fuel pressure regulator and intake gasket manifold in a 1994 Toyota 4runner. Do you know where I can get that information?


The pressure regulator should be fitted ot the fuel rail firewall end and the inlet manifold gasket on the inlet manifold when you take it off ,and the inlet manifold is the one which goes to the air filter pipe and airfilter box.

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Missing vacuum hose from fuel pressure regulator on 1991 mercedes


the fuel pressure regulator vacuum hose usually runs to the upper air intake somewhere, check for the fitting on the upper air intake or throttlebody.

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1 Answer

Toyota V6 fuel pressure amount


The fuel pressure regulator is on the driver side fuel rail, close to the back of the engine. You need to pull the intake plenum off to access the pressure regulator.

The normal operating fuel pressure is 38 to 44 PSI

Thanks for choosing FixYa for assistance.

A "FixYa" rating (4 blue diamonds) would be greatly appreciated. Thanks in advance, and please feel free to re-contact me if you need any further assistance.
Thanks, again. I hope that this helps you out!

Feb 21, 2009 | 1995 Toyota Tacoma

1 Answer

How much psi is coming from the fuel pump


#1

38.0 - 44.0
Note

Y251
#2

30.0 - 37.0
Note

Y252
Y251: Pressure (PSI) is measured at cold start injector with pressure regulator vacuum disconnected.
Y252: Pressure (PSI) is measured at cold start injector with pressure regulator vacuum connected.

Jan 31, 2009 | 1993 Toyota Camry V6

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