Question about 1985 Chevrolet S-10

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Fuel and vapor line diagram - 1985 Chevrolet S-10

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Fixing a break cylinder and getting one off and putting one on

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1979 Leocraft Motorhome. With a 454. When the engine gets hot it stops receiving fuel. Any ideas? Changed fuel pump and collapsed fuel line section.


Sounds like vapor lock. Vapor lock happens when the fuel in the lines gets way to hot and boils/vaporizes and causes stalling . Have the fuel lines wrapped in an insulated wrap or relocate them away from heat sources. Sometimes winter grade gasoline will cause this also.

May 05, 2016 | Cars & Trucks

1 Answer

Having trouble with vapor locking


Vapor lock can be caused by many different things, all coming down to the same root cause: too much heat in the fuel feed lines.

Low fuel pressure can cause the amount of heat needed to vapor lock to be lower than normal, so checking fuel pressure is important. Fuel pump going out feels a lot like vapor lock.

Engine overheat can also cause vapor lock. Clogged fuel filter can cause vapor lock. The fuel line should be routed away from the exhaust system.

Feb 29, 2016 | Cars & Trucks

1 Answer

Vapor lock? On a 4.3. 2000. Chevy. Blazer


Not really possible.
Vapor lock was when liquid fuel would vaporize in the steel line or carburetor from excessive heat.
Since your Blazer is fuel injected, the fuel can not vaporize in the line.

May 10, 2013 | Cars & Trucks

3 Answers

What is vapor lock?


Vapor lock is when a fluid in a closed system, such as in a hydrolic system, gets get hot enough to boil and produce vapor which unlike a fluid can be cimpressed thus rendering hydrolic systems inoperative. Fluids act as a solid when pressure is exerted on to them but in their gaseous state (vapor) they can be compressed and the pressure needed to move pistons is instead absorbed by the gas rather than applied to the pistons.

Feb 26, 2013 | Dodge Caravan Cars & Trucks

1 Answer

Un connected vacum line,apprx.6'' long,cannot find where to connect,looked everywhere within lengt of line.97 sentra vacum skamatic diagram needed.causing chk.eng.lite to come on.p0440.purge...


Hi Michael: here you have two diagrams...

11_7_2011_10_28_18_pm.gif


11_7_2011_10_28_45_pm.gif

DTC P0440 code indicates that a part of the EVAP control system is no longer fuctioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
A code P0440 could mean one or more of the following has happened:
  • The gas cap is not installed or working properly
  • The purge solenoid has failed
  • The canister is plugged and not working properly
Additional details could find in this links Fault Codes on Cars & Trucks or other diagrams in Cars & Trucks Vacuum Diagram.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 07, 2011 | 1997 Nissan Sentra

1 Answer

Im looking for a fuse box diagram for a 2001 buick lesabre for the rear seat with the vapor line electrical harness attached


The vapor line will never be inclosed inside of the automobile. Electrical lines YES.
In the rear of your auto you have back up lights, tail lights, turn signal lights, LC plate lights. may truck release switch wire, speaker wires, and the emergency fuel shut of switch. If the vehicle is in a front end/back end accident it will tripe the fuel safety switch. It is a red button located in the trunk panels. GB..stewbison

Aug 31, 2011 | Buick LeSabre Cars & Trucks

1 Answer

Ive got a 96 ford taurus gl that im working on. they put gas in drove it home and now it wont start. i looked under it and could see fuel leaking out of the vapor canister whenever tried to start. could a...


Hello! The vapor canister is more than likely plugged...The carbon granules can infiltrate the entire fuel system...I would suggest #1...Replace canister...and fuel filter..#2....Relieve fuel pressure, disconnect battery, remove and clean the fuel rail and injectors...On 8/12/1996 there was a recall on your vehicle addressing the fuel and injection system...If the recall was performed there should be a sticker on the inside of the drivers door...The original culprit is the Fuel Vapor control Valve which is allowing fuel to enter the vapor lines...see diagram below...


saailer_163.jpg

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Fuel Vapor Purge Valve:

MOTORCRAFT Part # CX1687 Cost $80

Guru.................Saailer

Aug 28, 2011 | 1996 Ford Taurus

4 Answers

2000 ford focus in line fuel filter where is it located


Hi, it's back by the fuel tank.

NOTE: The fuel filter is located underneath the vehicle in the area of the rear suspension.
  1. Relieve the fuel system pressure by removing the fuel pump fuse from the battery junction box, starting the engine, and allowing the engine to idle until it stalls.
  2. Raise the vehicle.
    NOTE To remove the lines, press the quick-release tabs on the connectors.
  3. Remove or disconnect the following:

    Evaporative Emissions (EVAP) vapor line Fuel filter lines Fuel filter and bracket assembly Fuel filter
  4. jturcotte_375.jpg
  5. Fig. Location of fuel filter and lines.

To install:
  1. Install or connect the following:

    Fuel filter Fuel filter and bracket assembly Fuel filter lines EVAP vapor line
  2. Start the engine and check for leaks.

Mar 31, 2011 | 2000 Ford Focus

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

2 Answers

Starts up but will not stay idling, bad gas smell comes out of it.


Hello! The gas vapor system, which is under pressure, must be purged...Without the ability to purge fuel will not flow...This is the reason the engine will not idle...Because you smell gas vapors is an indication the vapor canis ter purge valve is either defective or has an open/broken vacuum line...Follow the vacuum diagram under the hood and trace all lines..."tired" vacuum lines will **** closed, replace any cracked, broken or soft lines...If this does not solve the problem replace the purge valve...See picture below...guru...saailer...


saailer_46.gif


saailer_58.jpgpurge valve ..cost $30...Guru...saailer

Jan 02, 2011 | 1999 Dodge Durango

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