Question about 1994 Chevrolet Cavalier

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Where is the fuel valve on the engine - 1994 Chevrolet Cavalier

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  • greatdanes08 Sep 28, 2009

    i have a 1994 cavalier it will not start i want to check the fuel pump with out droping the tank there normal is a pressure valve on top the engine right where it goes into the fuel injection i can't seem to find or see it i was wondering if you knew where it was of another way to check the fuel pump without dropin the tank. thank you

  • Joseph Howard May 11, 2010

    GM doesn't use anything called a fuel valve what are you looking for can you describe what you are looking for? What size engine do you have?

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  • Chevrolet Master
  • 753 Answers

The 2.2 liter engine doesn't have a fuel pressure test valve you need to connect fuel pressure tester in the fuel line back at the fuel filter or at the pressure hose up at the firewall.

Posted on Sep 28, 2009

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Posted on Jan 02, 2017

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2 Answers

Have K341s engine on a welder and crank case flooded with fuel. what should I look for?


It is likely that this engine has a gravity feed fuel system such as the lawn tractor in the photo. The problem is if the needle valve sticks open, float fails to push the needle into the seat fuel will flow until the tank empties. The fuel floods the engine and leaks by the valve stem and cylinder rings filling the crank case with fuel.

What a mess and always a concern when fuel leaks. The preventative is to make sure the fuel shut off valve is closed when engine is not being used. Usually running the engine with the shut off valve will empty the carburetor of gas a good procedure to prevent the carburetor from fouling.

You must drain the oil completly and replace before running the machine.

Likely with the engine vibration the needle will operate normally. Removing the bowl and checking for contamination is recommended.

Adding a new filter and confirming the fuel shut off is working is also recommended.


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Jun 29, 2017 | Cars & Trucks

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Engines with Starting Problems


All engine regardless of manufacturer need three things to start and run. Air, Fuel and Spark, lets look at each one.

Air- this refers to air intake on four stroke engines this intake is created by the piston pulling in air with the intake valve open. You must have a combustion chamber that is sealed, meaning that there are no compression leaks from the head gasket, or from the valves. The valve timing must also be correct, meaning that the intake valve is open while the piston is going down on the intake stroke. Associated parts include the air filter, air intake manifold, intake valves, pistons and intake hoses.

Fuel- this refers to fuel supply, with out fuel an engine can not run, the fuel supply has to be correct for start and run conditions. Associated parts for fuel are fuel pumps, fuel pump relays, fuel pump fuses, fuel lines, fuel injectors, fuel hoses and carburetors.

Spark- this refers to the ignition source provided to ignite the fuel mixture. Spark is generated from an ignition coil and released in several ways. Associated parts to ignition are the ignition switch, coil, ignition module, crankshaft position sensors, camshaft position sensors, spark plug wires, spark plugs, distributors, and ignition points.

If you have a vehicle in which the engine does not run one of these three things are missing, otherwise it would work, so remember to always check the basics first it will lead you to your problem faster and cheaper.

on Mar 27, 2009 | 1999 Ford Escort

2 Answers

Wont stay running fuel comes out of fuel valve in front of engine of a 1997 Ford E-350


when you say fuel valve do you mean injector ? if so then yes if fuel rail cant keep a min pressure engine will stall from lack of fuel
injector should be replaced , this could be very dangerious loose fuel in engine bay could start a fire

Mar 04, 2015 | Ford Cars & Trucks

1 Answer

Where is the fuel vapor purge valve located on a 2003 mustang gt


Look on the Fuel rail on the left and right side, there is usually a cap that looks like a valve cap or a tire. It will have a needle valve inside just like a tire valve, Beware, when you purge the fuel system, make sure the engine is not running or the key is on and make sure the engine is cool. It will spray fuel. Take a blunt end object and push down on the valve pin, be sure to cover your hand with a rag so it don't spray fuel in your face or on your skin. This should purge the fuel system. It may take a couple tries to get all the air out. Allow the fuel to disapate and dry up before you start the engine. This could cause a fire if there is raw fuel laying in the crevises of the engine. An air hose with a blow valve is helpful to dry up the fuel. Again, cover your face or wear safety glasses. I hope this is helpful, I own a 2003 mustang GT my self.

Apr 09, 2014 | 2003 Ford Mustang

1 Answer

Location of fuel pressure test valve


Not sure about what engine you have, but here is the general procedure.

Open the hood. Disconnect the negative battery cable from the battery.
Look on the front of the engine and find the fuel rail. The fuel pressure regulator is on the right side of the fuel rail. Follow the fuel lines toward the firewall until you come to a Schrader valve with a black cap. Rotate the cap counterclockwise and remove it from the valve.
Wrap a shop rag around a small flat-head screwdriver and press the center pin in the Schrader valve - you have relieved fuel pressure when no more fuel comes from the valve. Install the cap back onto the Schrader valve. Hope that helps.

Apr 05, 2014 | 1999 Pontiac Sunfire

1 Answer

Where do i find the bleeder valve for a 2005 4500 codiac chevy truck


need be more specific are you talking about kodiac 400 diesel engine if you referring to bleed valve the fuel filter housing has the air bleed valve connect a hose to the air bleed valve other in a container remove the fuel solenoid fuse, crank engine short intervals for 10 - 15 seconds until clear fuel with no air bubbles,when you see no air bubbles,remove the hose close the the air bleed valve install the fuel solenoid fuse, then start engine,let idle few minutes see how goes make sure idle good.

Sep 12, 2012 | Cars & Trucks

1 Answer

1996 Ford Aerostar 3.0 L V-6 Constant check engine light ON Ran codes. Code says vacuum leak on fuel canister. I'd like to change all the vacuum lines. Don't have a good schematic. Haynes manual only...


what codes?

The vacuum lines run from the canister to the intake manifold. One is the purge hose to deliver stored fuel vapor to the intake to be burnd when engine is warm and you are crusing at part throttle. The other line is the vacuum line to operate it.

Fuel Vapor Valve, Aerostar (4.0L Engine) The evaporative emission valve (9B593) uses a small orifice, 1.83mm (0.072 inch), that allows vapors to pass into the vapor line running forward to the evaporative emissions canister (EVAP canister) (9D653). This evaporative emission valve mounts directly into the fuel tank (9002) using a fuel vapor separator seal. Fuel vapors trapped in the sealed fuel tank are vented through the orificed evaporative emission valve. The vapors from the fuel tank leave the evaporative emission valve through a single vapor line and continue to the evaporative emissions canister in the engine compartment for storage.
-----------------------------------------------------
Fuel Vapor Canister Purge Regulator Valve, Aerostar, Ranger Removal and Installation
  1. Disconnect wire harness from evaporative emission canister purge valve (EVAP canister purge valve) (9C915).
  1. Disconnect wire harness from thermistor.
  1. Disconnect evaporative emission canister purge valve assembly from fuel vapor canister and throttle body.
  1. To install, reverse removal procedure.
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Mar 25, 2011 | Ford Aerostar Cars & Trucks

1 Answer

Will not turn off


WHEN ENGINE KEEP RUNNING WHEN YOU TURN OFF IGNITION.THIS IS CALLED DIESELING CAUSED BY IDLE SPEED TOO HIGH.TOO MUCH CARBON BUILT UP ON PISTON HEADS AND VALVES HEADS. WHEN YOU TURN OFF ENGINE HOT SPOTS LIKE CARBON BUILT UP ON VALVE HEADS STILL HOT GLOWING.IF YOUR ENGINE HAS LEAKING FUEL INJECTORS THE DRIPPING GAS WILL IGNITE FROM THE GLOWING CARBON ON VALVE HEADS THIS WILL KEEP ENGINE RUNNING.THE ONLY THING YOU CAN DO POUR A FUEL INJECTOR CLEANER AND ENGINE CARBON REMOVER IN GAS TANK.A BOTTLE OF SEAFOAM WILL DO. SECOND OPTION IF ENGINE KEEP DIESELING.YOU PROBABLY HAVE TO REMOVE HEADS BUY A WIRE USE ON A ELECTRIC DRILL AND CLEAN CARBON OFF VALVES HEAD IN THE HEAD. IF YOU HAVE DIESEL ENGINE FUEL SHUT OFF VALVE MALFUNCTION.

Dec 26, 2010 | Mazda Protege Cars & Trucks

2 Answers

Where is the fuel filter and pcv valve on a 1993 G20 van


Hi!!
PCV valve located under engine cover, top of engine, mounted in passenger side valve cover

Fuel filter is located Under vehicle, passenger side, below seating area, front of fuel tank, mounted on chassis DON'T FORGET TO RATE THIS POST!!

Aug 23, 2010 | 1993 Chevrolet G20

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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