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Fuel rail schrader valve test port is leaking on 93 park avenue. How do I replace and what tool is needed?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I need a 93 Buick

the park ave i was working on had a super charger.with 2 serp belts.i just kept at it n got them on right .trial n error.i need to know if i could get a price for some used parts i got .3800 heads,3800 supercharger,oil pan with pick up tube ,valve covers,complete intake with all injectors

Posted on Dec 17, 2008

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SOURCE: the fuel rail is leaking gas at the seal-how do i repair this?

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Posted on Jan 12, 2009

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SOURCE: 1991 buick park avenue will not run fuel pump is good and replaced the fuel filter

http://www.fixya.com/cars/t1810766-1991_buick_park_avenue_stop_running

Check out this link. It may help you with your problem.

Posted on Apr 23, 2009

cognac222
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SOURCE: 89 Corsica: no power, hesitates in drive, idles

Check your fuel pressure, and or injectors. You may have too much fuel getting into the engine causing it to burn rich and overheat the converters.

Posted on Apr 26, 2009

emissionwiz
  • 76132 Answers

SOURCE: low fuel pressure 95 volvo 940 turbo

fuel pump check valve doesn't cause pressure loss, just hard starting cold, the check valve is part of the fuel pump, so to replace the valve u must replace the pump. do not use anything but the orig style pump, here is the part number from THE OE PUMP MAKER AT www.rockauto.com
DELPHI Part # FE0071 PRICE $124.99

Posted on May 05, 2009

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1 Answer

How and where do I check the fuel pressure?


Many parts stores have loan-a-tool programs that will include fuel pressure test kits. Many cars are equipped with a schrader valve type port on the fuel rail to make testing easy.

May 01, 2015 | 1999 Nissan Frontier

2 Answers

Where is the fuel test valve on a 2000 Toyota Solara v6 3.0. For fuel pressure test


great question. 1MZ-FE
the V6 has a fuel rail and all rails made
have a plug there (pipe plug) to test it or a mounted
Schrader valve (rated for fuel not tire kind at all.)
if not there we add one. on all cars. or make up and adapter
there are many ways, depends on year.
the plug on rail , the valve.
on newer cars a quick disconnect line , you add matching Tee fitting.
some have test port on the fuel filter is outside tank.

here is 95 rail with no fitting, cant find 2000
the 2002 is non return system (2000 i dont know)
summit racing sells a banjo bolt that is hollow to fit rails.
remove banjo at crossover, put in new bolt and bam, got a port.

25388726-n1ehiwhf3pwewcfbhxq1ut0d-4-1.jpg

Jan 29, 2015 | 2000 Toyota Camry Solara

2 Answers

Where is the schrader valve for testing fuel pressure on a 2000 gmc sonoma 4-cyl


it is going to be located on the top of the engine driver side between the front of the engine and the firewall on the fuel rail

Jul 17, 2014 | 2000 GMC Sonoma Extended Cab

2 Answers

Where do I find the fuel valve stem


in the FSM. it will show a custom GM part for the fuel rail.
this is tricky stuff here.
post a photo of the rail port shown in the FSM and can advise.
which engine, (my chev e had 4 engines to opt for) 2004
3.4L or 3.8L is common here. (i answered for 3.8L)

on some cars its just a plug and others as real schader valve.
in the case of the plug type.
you can use fitting in the gage kit to fit that.
or if schader valve , use the matching conn, in the kit.

J 34730-1A

this is the chev. tool fitting that fits the cars schrader valve.
one guy said where is, well the car has fuel rails
see those 2 hoses both to rear of car. one has the valve.
look carefully.
login to alldata.com and read?


c06b4531-9630-45ef-a758-53796767c19b.jpg

Jul 02, 2014 | 2003 Chevrolet Impala

1 Answer

I have a 1991 Mazda 626 that wont start


Look at the top of the engine and locate the fuel rail on the injectors. There should be a Schrader valve on the rail. Take a small screwdriver or a nail and push in on the Schrader valve. Have the helper turn the key on and look for fuel pressure at the valve. If there was no Schrader on the rail, just loosen the fuel line for the same results. If there is no fuel expelled, check the fuel pump fuse and relay located in the relay box. If these are not faulty, the fuel pump has failed and is need of replacement.

Apr 05, 2014 | 1991 Mazda 626

1 Answer

Petrol pump


short answer, in the gastank.
we check fuel pressure at the fuel rail .
if good, the pump is good.
the FSM covers this in vivid details.
or at alldata.com...
The 2TR-FE is a 2.7L I4 gasoline engine. It features DOHC, 16 valves and VVT-i . Its power is 159 hp (119 kW) at 5,200 rpm, and 180 lbf·ft (244 N·m) of torque at 3,800 rpm with redline of 5500 rpm.
this engine?

this is used on our tundra. but that dont help ,as yours may have
different EFI , in your country.
you should get the FSM for your car and your country.
on the trundra we must pull the tank to get the pump out.
draining fuel and lots of labor for nothing...
why do that.
we just attach the fuel pressure gauge at the fuel rail
and check pressure,
in fact we do all 6 tests listed in the FSM.
:shut tests. presssure tests. , and regulator test , and leakdown test.
and injector balance tests.
most can not be done, right back aft as you are working the front.

40.8 to 41.7 psi) idle fuel pressure
5min. leak down test, 147 kPa (1.5 kgf/cm2, 21 psi) or more
data is for tundra of simular engines.
if the rail tap is missing, this works.
http://urdusa.com/Fuel-Upgrades-URD-Fuel-Parts/c79_185/p1260519123/URD-Fuel-Rail-Tap/product_info.html

some factories save $5 by not having a test port.
this is the first part i buy for all my own cars.
for MPI engines. all.
many cars have a schrader valve present on the rail.
my jeep dont , i must used miller tool, 6539
do research online for your fuel rail needs and adapter.
i must have tool to do the injector balance test.
impossible to do unless you have 2 people. 1 under car
and one at rail.







Feb 06, 2014 | 2007 Toyota Quantum 2.7

1 Answer

Hard starting


Do a fuel pressure leak down test, the test port is located on the fuel rail that supplies fuel to the injectors on the top of the engine, the pressure should not drop more than 5 PSI after the engine is shut down, make sure the fuel gauge (special tool) is not leaking at the schrader port connection. If the fuel pressure leaks down right away you need to replace the fuel pump inside the fuel tank, it has a defective pressure check valve. I understand you can buy a universal test gauge from most parts stores for about $20.00 that hooks up to the above mentioned test port.

Oct 10, 2012 | 1994 Jeep Grand Cherokee

1 Answer

Where is the schrader valve


I assume you are looking for the test port for the fuel system?

If so you will not find a schrader valve. You will need a banjo style test fitting that will replace the banjo bolt that holds the fuel line to either the fuel filter or the fuel rail. you will then be able to attach a pressure gauge to the fitting and check fuel pressure.

Dec 13, 2011 | 1998 Honda Accord

1 Answer

I have looked at the front and back of the fuel rail of my 1994 sunbird and can not find it. What does it look like, give me a diagram of where it is located. It is fuel injected single overhead cam,...


I'm pretty sure that one uses the lower intake as the fuel rail. If that's the case than there is no schrader valve. You'll need to test for fuel pressure at the fuel filter by removing one of the lines from the filter and using adapters install a test hose inline and then attach your pressure gauge to that.

If the fuel pressure regulator attaches to the drivers side of the lower intake than you have this setup.

Jul 09, 2011 | Pontiac Sunbird Cars & Trucks

2 Answers

How to release fuel pressure to replace fuel filter on a buick rendevouz 2004


if you open up the hood and find your fuel rail you should see a little cap just like what is on your tire valve stems. take the cap off and push the little valve in the center agian just like the valve stem on your tire. be vary carefull as fuel will spray out of this. that is how to depressurize the fuel system

Jul 29, 2009 | Buick Rendezvous Cars & Trucks

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