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But what is the square box thing it has the gas line from gas tank going into itand gas line going from it to the carbureter what is it called

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Hi Jerry
I think that you are talking about fuel pump.

Posted on Apr 25, 2015


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SOURCE: trying to find out what the square box is under the dodge caravan

ABS unit. Bleed the brakes at the wheels

Posted on Apr 20, 2009

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What is a vent solenoid for 2010 Chevy Camaro RS?

If your talking about the evos system,,, be located on or near gas tank,, usualy under the car over the rear axle,, square looking black plastic box with the valve bolted on the side, wires coming out,,and 2/3 rubber vent lines also could be in the trunk mounted behind the left or right fender panels,,, if its throwing a code for bad valve and the engine light is on i would also have the gas cap checked or try replacing it first,,,, it will make it do the same thing,, bad gas cap could be your problem and its cheap
been there done that tater

Sep 12, 2014 | 2010 Chevrolet Camaro

1 Answer

Does a 1988 carborated Nissan pathfinder have a fuel pump regulator?

Are you sure it is a carburetor and not throttle body injection? They do look similar.
If it is a carburetor, there would not be a regulator. The fuel pump will either be a mechanical pump mounted on the engine, or a low volume electric pump in the gas line from gas tank to the engine.
If it is throttle body injection (TBI), yes, there is a fuel pressure regulator, probably located near the throttle body. It will have gas lines connected to it (one line will be a return line back to the gas tank) and a vacuum line. The fuel pressure on TBI systems is not as high as multi point injection, usually around 20 psi. You would have to check the specific pressure requirement for your pathfinder.

Take off the air cleaner cover and look at top of unit. A carburetor should have a choke plate right at top of the carb throat. However some Nissans by '88 had a carburetor without a choke-it used an enricher jet controlled by the ecu for added fuel when starting.. On a TBI, looking down at the unit where the air goes in, you will see one or two injectors with a wiring harness connected to them-each injector will have two wires connected to it.
If still unsure, check engine designation on the under hood label. Carbureted engines will have a s letter designation, injected engines will have letter i. To explain: my '87 Sentra is carbureted, so engine designation is E16s, some same engines were injected, so their designation is E16i.

Sep 29, 2013 | Cars & Trucks

2 Answers

Where is an 88 dodge aries fuel filter

1 Locate the fuel filter on your carbureted engine by first raising and supporting the hood. Both carbureted and fuel injected fuel filters look the same. The filter resembles a metal canister that measures 5 to 6 inches. The fuel filter in the carbureted Ram 50 sits on the driver's side of the engine, back against the firewall. The filter's fuel lines mount on the bottom and top of it. The bottom line is held in place by a nut. The top line mounts to the filter with a banjo-bolt. (You can remove the fuel filter with a socket wrench and an adjustable wrench. Place a shop towel under the filter to soak up any fuel that may spill.)
2 Locate the fuel-injected engine's fuel filter by first applying the Ram 50's emergency brake. Raise the truck forward of the rear driver's-side tire with a hydraulic jack. Set a jack stand 3 inches from the hydraulic jack beneath the frame rail.
3 Slide under the truck near the gas tank. Right where the frame rail ends, just in front of the gas tank, you should see the fuel filter. It's the same size and shape of the carbureted fuel filter. The one difference is both of the fuel lines mount on top of the fuel injected filter. (To remove this fuel filter, loosen the hose clamps on the fuel lines with a Phillips screwdriver. Before you pull the hoses off the filter, set a metal catch pan beneath it to allow the fuel in the lines to drip into it.)

Apr 02, 2012 | 1988 Dodge Aries

1 Answer

I am replacing the fuel pump on the alero and there is a plug that comes off the tank and goes to a box behind the tank and i was wondering want that plug is and how to remove it. It is not a fuel line.


Dec 07, 2010 | 1999 Oldsmobile Alero

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I have a 1995 GMC Jimmy and when I start it it will run for a second it rattles in the tank. New pump assembled already and I need to know what else it could be....if flutters in the tank

ther is a square piece spot welded in the gas tank, the fuel pump go's in this sounds like it came appart you well have to drop your gas tank and REPLACE IT DO NOT TRY TO FIX IT IS A POTENCIAL BOMB IF YOU TRY TO WELD go after market gas tank its cheeper and well work just as well good luck CJ ps that square in the tank is for low fuel conditions it is suppose to trap gas in the square so the pump dose not run dry

May 11, 2010 | 1995 GMC Jimmy

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Fuel pump starts when hooked strait up to battery

there is a fuel pump relay, normally looks like a square box an is on the driver side follow the gas line

Feb 02, 2010 | 1991 GMC Safari

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How to install a gas tank in 1983 chev 4X4 truck. gas lines to sending unit?

The trick to it is the easy way....... lift the box.
Take the bolts that hold the rear box to the frame out of one side "the gas tank side" and loosen the bolts holding the box to the frame on the other side.
Jack the box up....tilting it up sideways just enough to work on the tank.
Now connect everything with no sweat or dirt in your eyes.
The last thing .....and don't forget.....will be the 3 screws holding the tank filler neck to the box after it is lowered.
This technique works well for changing fuel pump assemblies on newer trucks quickly.

Sep 18, 2009 | 1983 Chevrolet K1500

2 Answers

1991 Jeep Wrangler has been sitting in a garage for 3 years. It starts and shuts right off. I spray ether in it and it starts then shuts back off again. It seems as though I am not getting fuel. What do...

im asuming it was running fine when it was garaged? if so, then the first thing you need to do is to drain the fuel tank and flush the fuel lines. when gas gets old, it simply wont ignite. and over that time, it thickens into almost a syrup. so you need to drain and clean the fuel tank, fuel lines, and replace the fuel filter. im not sure if that year jeep is carbureted or fuel injected, but if it has a carb., then that will definitely need to be cleaned. or for fuel injection, use a good fuel injector cleaner mixed with your new gas. once it starts, it wlil run a bit rough, but once the old fuel gets burned out of the system, it should gradually improve.

Aug 05, 2009 | 1991 Jeep Wrangler

2 Answers

1995 chevrolet pickup 1500, how do I remove gas tank

the fuel tank must be removed from the vehicle to replace pump or lift the box from the frame. If you remove the tank it is held up with two tank straps and the lines must be unhooked as you lower it. good luck unless you have access to a lift.

Dec 18, 2008 | 1995 Chevrolet C1500

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