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under hood, on fuel rail which is connected to each fuel injector there should be a valve that looks like a tire valve. That is the shrader valve, test fuel pressure there.

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โˆ™ 2009-08-29 07:43:43
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Q: Where is the pressure test port on the fuel on 99 Chevy suburban?
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Why won't a 98 Chevy suburban start It turns over but won't start You have replaced the fuel filter and can hear the fuel pump?

There is a fuel line access port that should be right behind the throttle body. Borrow, rent or buy a fuel pressure gauge and check the pressure at the access port while you're trying to start the engine. Any engine that has normal compression, fuel delivered properly and a spark that is strong and delivered at the right time HAS to run when the starter is engaged. If it's not starting it can ONLY be one of the three.


Swaped 97 jimmy for 2001 Chevy truck 4.3 getting fire and fuel to injectors but wont start?

Have you tried spraying gas intothe breather. Does it have tbi or multi-port? How about the fuel regulator. How much pressure does the fuel rail have ?


Why will your 1996 Chevy truck not start?

well the question is a bit vague but I'll try. Assuming that the battery isn't dead and the starter is cranking fine my first thought would be your fuel pump is shot Chevy fuel pumps are notorious for failure even with low miles I had to replace my brothers fuel pump on his 96 Chevy and it only had 58,000 miles on it. But to know for sure wether the pump is bad or not you will have to do a fuel pressure test. You can test the fuel pressure by getting a fuel pressure gauge and attaching it to the test port on the fuel rail and watching the gauge as somebody tries to crank it over if the gauge reads beetween 40 and 60 PSI then the pump is good if not then replace the pump most likely if pump is bad you will get a reading of 0 to 5 PSI. Hopefully this helps.


Where to hook up fuel pressure gauge?

Depends on the vehicle which you failed to mention. Many now have a test port for the purpose.


Where is the diagnostic port on a 1994 Chevrolet Suburban?

under the dash but its not the obd2

Related questions

Where is the fuel pressure test port in1992 Chevy Suburban?

It doesn't have one. To test the fuel pressure an adapter has to be installed between a fitting at the fuel filter and the fuel filter, preferably the fitting feeding into the filter from the pump.


How do you check fuel pressure on 1996 Chevy truck?

use a pressure guage hooked to the scrader port on the fuel line.


Where is the low pressure AC port on 96 Chevy Suburban?

It should be about six inches from the compressor. The large line.


Where is the fuel test port on 1997 suburban?

The fuel test port on a 1997 Suburban is on the engine under the hood. It is located near the fuel lines.


Where is fuel pressure port on 1989 4.3 Chevy blazer?

It doesn't have a test port. You have to fabricate fittings to tap into the fuel line at the fuel filter to connect a fuel pressure gauge. They probably sell a kit to do that but I made my own.


Where is the fuel pressure test port located on a 2001 Chevy Silverado 1500?

The fuel pressure relief valve is located Under the Plastic cover on the fuel rail.


Where is the low pressure air conditioner port on a 1985 Chevy suburban ac?

The low pressure port on any A/C system will be the the line running from the compressor and going into the evaporator in the passengercompartment. The high-pressure port is in the line coming from the condenser in front of the radiator going to the compressor.


How do you add a fuel pressure test port to a 1995 GMC suburban that has throttle body fuel injection?

There is an adapter that is put in place of the fuel filter that has a test port that the fuel gauge hose will fit too. Might be able to get one from a parts store.


Find fuel rail test port 1996 suburban?

Are you sure that it's got one? If it does, it should have a screw on cap covering it. The port will be a part of the rail. If not, you'll need an inline adapter to check fuel pressure.


Where is the low pressure port on a 2000 Chevy Camaro?

look for the port with the black cap on it, it's the low pressure port.


Where is low pressure fill on 99 suburban?

On a '99 suburban, the low pressure a/c port is on top, towards the back of the compressor, and pointed forward. The high pressure port is there also, just behind it and to the left, pointed straight up.


Why won't a 98 Chevy suburban start It turns over but won't start You have replaced the fuel filter and can hear the fuel pump?

There is a fuel line access port that should be right behind the throttle body. Borrow, rent or buy a fuel pressure gauge and check the pressure at the access port while you're trying to start the engine. Any engine that has normal compression, fuel delivered properly and a spark that is strong and delivered at the right time HAS to run when the starter is engaged. If it's not starting it can ONLY be one of the three.

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