Question about 2001 Isuzu Trooper

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Using to much fuel - 2001 Isuzu Trooper

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Check engine light on? if so take it to some place like auto zone most places will read your code for you and advise you what part or circuit may be faulty.there are a multitude of reasons why you could be using too much fuel some cheap some not so cheap

Posted on Nov 25, 2009

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Changed my fuel pump on my 06 ford 500 now I can only start if I hold the fuel reset and it doesn't stay running for very long why does that happen how can I fix this


By fuel reset do you mean inertia fuel cut off switch ? Why did you change the fuel pump ? Are you aware of the fuel pump driver module ! Your vehicle has a electronic returnless fuel system . It is computer controlled , has a fuel rail pressure an temp. sensor .
The FRPT sensor measures the pressure and temperature of the fuel in the fuel rail and sends these signals to the PCM. The sensor uses the intake manifold vacuum as a reference to determine the pressure difference between the fuel rail and the intake manifold. The relationship between fuel pressure and fuel temperature is used to determine the possible presence of fuel vapor in the fuel rail. Both pressure and temperature signals are used to control the speed of the fuel pump. The speed of the fuel pump sustains fuel rail pressure which preserves fuel in its liquid state. The dynamic range of the fuel injectors increase because of the higher rail pressure, which allows the injector pulse width to decrease.
Inertia Fuel Shutoff (IFS) Switch The IFS switch is used in conjunction with the electric fuel pump. The purpose of the IFS switch is to shutoff the fuel pump if a collision occurs. It consists of a steel ball held in place by a magnet. When a sharp impact occurs, the ball breaks loose from the magnet, rolls up a conical ramp and strikes a target plate which opens the electrical contacts of the switch and shuts off the electric fuel pump. Once the switch is open, it must be manually reset before restarting the vehicle. Refer to the Owner's Literature for the location of the IFS.
The FPDM receives a duty cycle signal from the PCM and controls the fuel pump operation in relation to this duty cycle. This results in variable speed fuel pump operation. The FPDM sends diagnostic information to the PCM on the fuel pump monitor circuit. For additional information on Fuel Pump Control and the Fuel Pump Monitor, refer to Fuel Systems in this section.
Electronic Returnless Fuel System (ERFS) The electronic returnless fuel system consists of a fuel tank with reservoir, the fuel pump, the fuel rail pressure (FRP) or fuel rail pressure temperature (FRPT) sensor, the fuel filter, the fuel supply line, the fuel rail temperature (FRT) sensor, the fuel rail, the fuel injectors, and a Schrader valve/pressure test point. For additional information on the fuel system components, refer to Engine Control Components in this section. Operation of the system is as follows:
  1. The fuel delivery system is enabled during crank or running mode once the PCM receives a crankshaft position (CKP) sensor signal.
  1. The fuel pump logic is defined in the fuel system control strategy and is executed by the PCM.
  1. The PCM commands a duty cycle to the fuel pump driver module (FPDM).
  1. The FPDM modulates the voltage to the fuel pump (FP) required to achieve the correct fuel pressure. Voltage for the fuel pump is supplied by the power relay or FPDM power supply relay. For additional information refer to Fuel Pump Control and Fuel Pump Monitor.
  1. The fuel rail pressure (FRP) sensor provides the PCM with the current fuel rail pressure. The PCM uses this information to vary the duty cycle output to the FPDM to compensate for varying loads.
  1. The fuel rail temperature (FRT) sensor measures the current fuel temperatures in the fuel rail. This information is used to vary the fuel pressure and avoid fuel system vaporization.
  1. The fuel injector is a solenoid-operated valve that meters the fuel flow to each combustion cylinder. The fuel injector is opened and closed a constant number of times per crankshaft revolution. The amount of fuel is controlled by the length of time the fuel injector is held open. The injector is normally closed and is operated by 12-volt VPWR from the power relay. The ground signal is controlled by the PCM.
  1. A pressure test point valve (Schrader valve) is located on the fuel rail and is used to measure the fuel injector supply pressure for diagnostic procedures and repairs. On vehicles not equipped with a Schrader valve, use the Rotunda Fuel Pressure Test Kit 134-R0087 or equivalent.
  1. There are 3 filtering or screening devices in the fuel delivery system. The intake sock is a fine, nylon mesh screen mounted on the intake side of the fuel pump. There is a fuel filter screen located at the fuel rail side of the fuel injector. The fuel filter assembly is located between the fuel pump and the pressure test point/Schrader valve.
  1. The fuel pump (FP) module is a device that contains the fuel pump and the fuel sender assembly. The fuel pump is located inside the reservoir and supplies fuel through the fuel pump module manifold to the engine and the fuel pump module jet pump.
  1. The inertia fuel shut-off (IFS) switch is used to de-energize the fuel delivery secondary circuit in the event of a collision. The IFS switch is a safety device that should only be reset after a thorough inspection of the vehicle following a collision.
Go to you tube , there are videos how this system works an to test it .

Nov 18, 2015 | Ford Cars & Trucks

1 Answer

What is a flex fuel vehicle


A Flex fuel vehicle is one which can use E85 Ethanol fuel. This fuel has 15% alcohol and is more corrosive than basic Gasohol. This is a newer name for using 2 types of gasoline. It does not apply to leaded fuels.

Flex fuel may also be vehicles using a compressed liquid gas and gasoline. These types use gasoline to start and switch automatically to the second fuel system. There were older names for these systems.

There are systems which operate strictly on compressed liquid gas. Hybrids are those using electric and gasoline.

Jul 18, 2014 | 1988 Ford Ranger

1 Answer

What is a fuel rail


A fuel rail, technically known as a common rail, is essentially a pipe (usually resembling a rail) used to deliver fuel to individual fuel injectors on internal combustion engines. It is designed to have a pocket or seat for each injector as well as an inlet for a fuel supply. Some fuel rails also incorporate an attached fuel pressure regulator. Fuel rails are used on engines with multi-point fuel injection systems, although some multi-point systems use a fuel distributor with individual pipes or tubes to feed each injector.

Apr 11, 2013 | 1994 Dodge Grand Caravan

1 Answer

Fuel filter location 08' volvo v50 1.8 petrol?


Removal & Installation

Print

NOTE The fuel filter is either on the left side of the firewall or next to the fuel pump near the left side of the fuel tank.

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable Fuel filler cap Fuel lines from the fuel filter Fuel filter from the bracket

To install:
  1. Install or connect the following:

    Fuel filter to the bracket Fuel lines to the fuel filter Fuel filler cap Negative battery cable
  2. Start the engine and check for leaks.


  3. 0900c152801c13b0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models
    Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models



NOTE The fuel filter is either on the left side of the firewall or next to the fuel pump near the left side of the fuel tank.
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable Fuel filler cap Fuel lines from the fuel filter Fuel filter from the bracket

To install:
  1. Install or connect the following:

    Fuel filter to the bracket Fuel lines to the fuel filter Fuel filler cap Negative battery cable
  2. Start the engine and check for leaks.

    0900c152801c13b0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Using an open end wrench to push the quick disconnect coupler sleeves back-5 cylinder models
    Using an open end wrench to push the quick disconnect coupler sleeves back-5 cylinder models



NOTE The fuel filter is either on the left side of the firewall or next to the fuel pump near the left side of the fuel tank.
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:

    Negative battery cable Fuel filler cap Fuel lines from the fuel filter Fuel filter from the bracket

To install:
  1. Install or connect the following:

    Fuel filter to the bracket Fuel lines to the fuel filter Fuel filler cap Negative battery cable
  2. Start the engine and check for leaks.

    0900c152801c13b0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models
    Using an open end wrench to push the quick disconnect coupler sleeves back-5-cylinder models


On these models, the fuel filter is part of the fuel pump assembly. Refer to Fuel Pump removal and installation.

May 12, 2012 | 2005 Volvo V50

2 Answers

I need change the fuel pump


Hi, The fuel pump is in the tank. You will have to remove the tank to get at it. Good luck

Jun 21, 2011 | 1995 Ford Windstar

1 Answer

How to repair a fuel pump on a 2008 ford escape


TO CHANGE FUEL PUMP YOU HAVE TO RELIEVE FUEL PRESSURE FIRST.LIFT THE LEFT REAR SEAT CUSHION POSITION THE CARPET ASIDE.REMOVE THE SCREWS AND THE FUEL PUMP MODULE ACCESS COVER.DISCONNECT THE FUEL PUMP MODULE AND ELECTRICAL CONNECTORS.REMOVE FUEL PUMP FUEL VAPOR CONTROL TUBE ASSEMBLY VALVE ELECTRICAL CONNECTOR.USING A SUITABLE FUEL PUMP LOCK RING REMOVER.ROTATE THE LOCK RING COUNTERCLOCKWISE AND REMOVE FUEL PUMP MODULE ASSEMBLY CAREFULLY.PUT EVERY THING BACK IN VISA VERSA.BECAREFUL WHEN WORKING ON FUEL SYSTEM.DONT MAKE NO SPARKS WHEN REMOVING FUEL PUMP MODULE LOCK RING.USE LOCK RING TOOL DONT USE HAMMER AND A METAL PUNCH WILL MAKE A SPARK CAUSE EXPLOSION.

Oct 14, 2010 | Ford Escape Cars & Trucks

1 Answer

Whare is the fuel filter on 05 chev uplander


Fuel Tank Module holds the fuel filter: Removal & Installation Short Wheel Base To Remove:
Fuel tank (short wheelbase) gm-04-00-3125.gif

  1. Remove the Fuel tank.
  2. Disconnect the harness connectors from the module.
  3. Disconnect the fuel and emission hoses from the module. NOTE: To avoid damaging the lock ring, it is recommended to use special tool GM # J-45722 or equivalent to remove the lock ring.
  4. Using a spanner tool remove the fuel pump module lock ring. Fuel pump module gm-05-00-2551.gif

  5. Remove the fuel pump module and discard the O-ring seal. WARNING
    Drain the fuel from the fuel pump module into a fuel container to avoid the risk of fire and personal injury. Do not store fuel in an open container.
    NOTE: The lock ring may be reused even if "DO NOT REUSE" is stamped on it if the lock ring is not warped or damaged.
  6. Check the lock ring clearance on a flat surface using a feeler blade. If the lock ring is warped more than 0.016 in (0.41 mm), replace it.
To Install:
WARNING
Replace the fuel module O-ring when reinstalling the fuel module to reduce the risk of a fuel leak that may cause a fire and personal injury.
  1. Install a new O-ring on the fuel tank.
  2. Place the fuel module into the fuel tank.
  3. Install the fuel module lock ring using a spanner tool.
  4. Connect the fuel and vapor hoses to the module.
  5. Connect the harness electrical connectors to the module.
  6. Install the Fuel Tank.
  7. Check for fuel leaks using the following procedure:
    • Step 1: Place the ignition in the ON position for 2 seconds
    • Step 2: Place the ignition in the OFF position for 10 seconds
    • Step 3: Place the ignition in the ON position
    • Step 4: Check for fuel leaks.
Long Wheel base To Remove:
Fuel tank (long wheelbase) gm-04-00-3113.gif

  1. Remove the Fuel Tank.
  2. Disconnect the harness connectors from the module.
  3. Disconnect the fuel and emission hoses from the module. NOTE: To avoid damaging the lock ring, it is recommended to use special tool GM # J-45722 or equivalent to remove the lock ring.
  4. Using a spanner tool remove the fuel pump module lock ring. Fuel pump module gm-05-00-2551.gif

  5. Remove the fuel pump module and discard the O-ring seal. WARNING
    Drain the fuel from the fuel pump module into a fuel container to avoid the risk of fire and personal injury. Do not store fuel in an open container.
    NOTE: The lock ring may be reused even if "DO NOT REUSE" is stamped on it if the lock ring is not warped or damaged.
  6. Check the lock ring clearance on a flat surface using a feeler blade. If the lock ring is warped more than 0.016 in (0.41 mm), replace it.
To Install:
WARNING
Replace the fuel module O-ring when reinstalling the fuel module to reduce the risk of a fuel leak that may cause a fire and personal injury.
  1. Install a new O-ring on the fuel tank.
  2. Place the fuel module into the fuel tank.
  3. Install the fuel module lock ring using a spanner tool.
  4. Connect the fuel and vapor hoses to the module.
  5. Connect the harness electrical connectors to the module.
  6. Install the Fuel tank.
  7. Check for fuel leaks using the following procedure:
    • Step 1: Place the ignition in the ON position for 2 seconds
    • Step 2: Place the ignition in the OFF position for 10 seconds
    • Step 3: Place the ignition in the ON position
    • Step 4: Check for fuel leaks.
prev.gif next.gif

Oct 11, 2010 | 2005 Chevrolet Uplander

1 Answer

My Toyota Sienna keeps stallling


If the car stalling then the owner of the car should check on the fuel pump assembly. prepare the tools and equipment in servicing the fuel pump,the fuel lines and the fuel filters.In the fuel pump you have to locate the fuel pump,disconnect fuel lines from the fuel pump,remove fuel pump from the engine,dis-assemble fuel pump, check the diaphram for defect , replace defective parts,assemble and install the fuel pump.
In checking the fuel lines : prepare the tools or equipment in servicing the fuel lines .So that the fuel will flow freely and no abstraction within the fuel lines.locate the the fuel lines ,visual inspection on dual line for leakage, disconnect lines at fuel pump and fuel tank .use compress air to remove sediment on fuel lines,re-install fuel lines to the unit.
the fuel filters :prepare the equipment or tools in checking the fuel filters that is going to be used.So that when fuel filters is removed ,no fuel will spill on the vehicle and no parts are lost or broken.Locate fuel filter,disconnect lines at fuel filter ,observe safety practices ,If the fuel filter is dirty then you have to clean it but if it is worn out and not anymore to be used then install new fuel filter.

Sep 24, 2009 | 2008 Toyota Sienna

2 Answers

Need directions on replacing 2000 dodge durange 4.7 ltr fuel pump


WHAT YOU WILL NEED TO DO FIRST IS JACK THE TRUCK UP AS HIGH AS SAFELY POSSIBLE.. BE SURE TO USE JACK STANDS THAT WAY THE TRUCK DOENT FALL OVER.. ONCE UP IN THE AIR HE WILL NEED TO TAKE THE GAS TANK OUT OF THE TRUCK.. THERE ARE TWO STRIPS HOLDING THE TANK INTO PLACE..THEN WHEN HE GETS THE TANK ON THE GROUND, REMOVE ALL THE FUEL LINES.(THERE ARE CLIPS ON THE PLASTIC LINES BE EASY) THEN WHEN HE GETS THE LINES LOOSE, THERE IS A METAL RING ON THE TOP ON THE FUEL TANK..HE CAN USE A SCREW DRIVER TO GET THE RING OFF( HE WILL SEE HOW TO TAKE IT OFF WHEN HE LOOKS AT IT) WHEN THE RING IS OFF PULL THE FUEL PUMP ASSEMBLY OUT OF THE TANK AND REPLACE THE FUEL PUMP (THE WHOLE FUEL PUMP WILL JUST NEED PULLED OUT, NO SCREWS) ..JUST REPEAT THESE STEPS BACKWARDS TO REINSTALL .. THIS SHOULD SOLVE YOUR $700 PROBLEM..GOOD LUCK AND THANKS FOR USING FIXYA.COM...KEITH..

Mar 14, 2009 | 2000 Dodge Durango

1 Answer

Basic service


Here are detailed instructions on the location, removal, and re-installation of your fuel filter. Hope it helps and have a great day!

REMOVAL & INSTALLATION
Carbureted Engines
These vehicles use two replaceable fuel filters. A small one is in the fuel line under the hood; a larger one is located at the rear, just inboard of the left rear wheel.
Whenever the filter(s) are replaced, take great care to avoid the entry of dirt into the lines. Also, pay attention to the correct installation position. It is possible to install the filter backwards.
FRONT
See Figure 2
  1. If applicable, disengage the filter or hose from its retaining clip.
  2. Using two fuel line clamps, pinch off both fuel lines. Take care not to crush the lines; just clamp them shut.
If the fuel hoses are hard or cracked, it is necessary to replace them.
0900c1528005f267.jpgFig. 2: Front fuel filter used on carbureted engines
  1. Loosen the fuel line clamps and slide them back.
  2. Using a twisting motion, remove the fuel lines from the filter.
  3. To install, use a new fuel filter and reverse the removal procedures. Start the engine and check for leaks. Correct any leaks immediately.
REAR
See Figures 3, 4, 5 and 6
  1. Raise and safely support the rear of the vehicle. Remove the left rear wheel.
  2. Remove the bolts securing the filter and its basket to the fuel tank.
0900c1528005f268.jpgFig. 3: Remove the bolts securing the filter and its basket to the fuel tank ...
  1. Push the fuel filter retaining tab and release it from the basket.
0900c1528005f269.jpgFig. 4: ... then release the basket from the filter
  1. Using two fuel line clamps, pinch off both fuel lines. Take care not to crush the lines; just clamp them shut.
0900c1528005f26a.jpgFig. 5: Clamp the fuel lines shut. If the lines are hard, cracked or brittle, they must be replacedIf the fuel hoses are hard or cracked, it is necessary to replace them.
  1. Loosen the fuel line clamps and slide them back.
  2. Using a twisting motion, pull the fuel lines from the fuel filter; remove the filter.
0900c1528005f26b.jpgFig. 6: After sliding the retaining clamps back, the filter can be removed from the linesTo install:
  1. Use a new filter and reverse the removal procedures.
  2. Make certain the retaining tabs are engaged when the filter is installed in the holder. Tighten the bolts until snug.
  3. Install the left rear wheel. Lower the car to the ground.
  4. Start the engine and check for leaks. Correct any leaks immediately.
Fuel Injected Engines
See Figures 7, 8, 9, 10, 11 and 12
The canister fuel filter is located in the engine compartment. When buying the new filter, also buy new washers for the banjo bolts and the service bolt. Failure to replace these washers invites high-pressure fuel leaks. Replacing the washers is required, not recommended.
  1. Disconnect the negative battery terminal.
  2. The fuel system is under pressure. Release pressure slowly and contain spillage. Observe "no smoking/no open flame" precautions. Have a Class B-C (dry powder) fire extinguisher within arm's reach at all times.
  3. Disconnect the banjo bolts and/or threaded fuel line fitting from the fuel filter. Use of a flare nut or line wrench is recommended for disconnecting and attaching this fitting.
0900c1528005f26c.jpgFig. 7: Fuel filter used on fuel injected Accords through 1989 0900c1528005f26d.jpgFig. 8: Fuel filter on 1990-93 fuel injected Accords 0900c1528005f26e.jpgFig. 9: Fuel filter used on fuel injected Preludes through 1991
  1. Loosen the fuel filter clamp bolt, then remove the filter.
To install:
  1. Install the new filter and secure the clamp bolt.
  2. The upper and lower washers on each banjo bolt and the washer on the service bolt MUST be replaced whenever the bolts are loosened. Install the washers and banjo bolts. Tighten the banjo bolts to 16 ft. lbs. (22 Nm) on all models except 1992-95 Preludes. On these models, tighten the bolt to 20 ft. lbs. (28 Nm). If applicable, tighten the threaded fuel line fitting to 27 ft. lbs. (37 Nm).
0900c1528005f26f.jpgFig. 10: Fuel filter used on 1992-95 Preludes 0900c1528005f270.jpgFig. 11: Fuel filter used on 1994-95 4-cylinder AccordsIt will be necessary to use a crow's foot attachment on a torque wrench to properly tighten the threaded fuel line fitting.
  1. Tighten the service bolt to 9 ft. lbs. (12 Nm).
  2. Start the engine and check for leaks. The engine may crank longer than normal until full fuel pressure is developed. Correct any leaks immediately.
0900c1528005f271.jpgFig. 12: V-6 Accord fuel filter

Nov 23, 2008 | 1985 Honda Accord

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