Question about 1998 Mitsubishi Montero Sport

1 Answer

Fuel line location on montero sport ls

Trying to check fuel pump pressure, where do I have a connection for the guage

Posted by on

1 Answer

If you have no connection on the fuel rail,
then you need to put an adapter in the fuel line
to the motor before the injectors

Posted on Oct 27, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: fuel filter 2003 Montero Sport

drivers side, underneath the car. look at the line coming from the gas tank, and where the line gets bigger and has a metal cylinder in it, that is your fuel filter. a couple of clamps and you can change that thing out in a matter of minutes, and depending on your medel you may have to remove a metal plate to get to it.

Posted on Jan 11, 2009

mjvgamer
  • 7 Answers

SOURCE: how to change the fuel pump on a 1994 Mitsubishi Montero LS 3L V6

just for you REMOVAL & INSTALLATION
See Figures 1 and 2
WARNING In almost every case, replacing the Mitsubishi electric fuel pump requires removal of the fuel tank. Please refer to the fuel tank removal and installation procedure at the end of this section.

  1. Lift or move aside the carpet in the rear cargo area.
  2. Remove the oval cover plate from the access hole.
  3. Disconnect the fuel pump harness connector at the rear of the fuel tank.
  4. Start the engine, allowing it to run until it runs out of fuel. This relieves pressure within the fuel system.
  5. Turn the ignition switch OFF and disconnect the negative battery cable.
  6. Remove the fuel filler cap.
  7. Drain the fuel from the fuel tank into suitable container(s), each with an airtight lid.
  8. Carefully, and using two wrenches on the fittings, disconnect the high pressure fuel line and the main fuel line from the pump. Remove the high pressure fuel hose at the body-side main pipe connection, unfasten the pump-side connection. Wrap each joint in a rag before loosening; some pressure may remain within the system.
  9. Remove the fuel pump retaining nuts and carefully remove the pump from the tank.
The fuel pump may still contain liquid fuel. Drain it into a suitable container with an airtight lid before performing any tests or inspections.
To install:
  1. Carefully install the pump into the tank and install the 6 retaining nuts onto the studs. Tighten the nuts evenly and in a crisscross pattern to 12 ft. lbs. (16 Nm).
  2. Reinstall the high pressure and supply line to the pump.
WARNING Take great care when connecting the threaded high pressure lines. Start the threads by hand, then, while holding the hose side to keep it from turning, tighten the flare nut to 27 ft. lbs. (37 Nm).
  1. Connect the pump wiring harness.
  2. Connect the negative battery cable. Turn the ignition key to ON but do not start the engine. You should hear the pump running. Allow it to run for about 10 seconds to build line pressure, then start the engine.
  3. After the engine has run smoothly for a minute or two, shut the ignition off and check the work area for any trace of leakage. Attend to any fuel leaks immediately, remembering that the system has repressurized and must be handled safely.
  4. Reinstall the cover on the access hole and replace the carpet in the cargo area.
0900c152800547c3.jpgFig. 1: Components of the fuel pump and fuel tank 0900c152800547c4.jpgFig. 2: Components of the fuel pump-all models similarTESTING
When diagnosing engine problems, particularly a "no start" condition, the fuel pump function should be checked. Because of the difficulty in reaching the fuel pump connections, Mitsubishi automobiles have a conveniently located test connector under the hood. V6 Monteros have the connector taped to a wiring harness inside the right front kick panel, near the ECM and relays.
This connector bypasses all of the controls in the system (ignition switch, pump relay, etc.) and sends voltage directly to the pump. When power is applied to the pump you should be able to hear it running, although the in-tank pumps require you remove the fuel filler cap and listen at the filler.
To use the test connector, make certain the ignition is OFF. Great damage may be caused if the system is tested with the key on. Locate the test connector in the engine compartment (on later Monteros it is located under the right-hand side of the dashboard)-it is generally on a short lead out of a wiring harness and looks like a plug that isn't connected to anything. Once found, use a jumper wire to connect the test terminal to the positive battery terminal. Listen for the fuel pump; if it runs, you know the pump motor is good. While the pump is running, gently squeeze one of the fuel lines and confirm that the pump is delivering fuel pressure. If it does not run, the pump itself is most likely defective OR the connector to the pump is faulty.
When the pump is removed from the tank, it may be checked by applying battery voltage (+) to the connector and grounding the housing. Only run the pump for one or two seconds during this test; the pump can be damaged by running without liquid.
CAUTION Make certain the pump has been drained of residual fuel and is free of fuel vapors. Connecting and removing the test leads will cause sparks which can ignite any vapor in the area.

Posted on Jan 18, 2009

  • 2 Answers

SOURCE: 1990 montero no start. No power to open injectors, good fuel pump

Check the injector pulses with an osciliscope. If you arent getting a pulse check the ecu. I have cooked 2 of them. One killed my ignition but had good fuel. the second time it wouldnt open the injectors but had good spark. A quick check is to take the ecu out and take the cover off. then look for burnt electrical components.

Posted on Apr 08, 2009

yankstorm02
  • 145 Answers

SOURCE: fuel pump NOT working ,fuel pump is OK,but no voltage

Check the voltage with someone cranking the engine. The fuel pump relay is incorperated in the FI relay located under right center of dash. It is a metal relay usually bolted to the floor near the ecm. Double check all the fuses inside and out

Posted on May 07, 2009

  • 1 Answer

SOURCE: 2004 Mitsubishi Montero Sport cigerette lighters no longer work

I had the same problem. The fuse for the accessory plugs are not in the fuse box above the drivers feet it is in the group of fuses just above it. The owners manual describes it as location #16. It is a 15v fuse.

Posted on Jul 03, 2010

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1 Answer

2002 Mitsubishi Montero Sport (won't not 'want') start. Replaced the starter and fuel pump. Filter still not getting gas to the cylinders


If you already replaced fuel pump and filter and still no fuel pressure at injectors rail, your problem is more than likely electrical. Check for good power and ground at fuel pump connector. If no power at fuel pump connector, check your fuel pump fuse, relay and wiring for opens(broken) feed wire.

Feb 07, 2016 | 2002 Mitsubishi Montero Sport

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Fuel pump pressure


And what was the question related to this
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May 11, 2015 | 2000 Mitsubishi Montero Sport

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My 2002 lincoln ls starts fine when cold but if it sits for about 45minutes to an hour it will crank for about 5 to 10 seconds before starting. When it runs the engine runs great.


you have a very slight leak somewhere in the fuel system letting gas bleed off when sitting . try letting key on without trying to start for maybe 15 to 20 seconds pressure build up to fuel rail

Feb 17, 2015 | 2002 Lincoln LS

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What is the fuel pressure suppose to be on a 1990 mitsubshi montero sport


Difficult question to answer directly. There's a pressure regulator on the end of the fuel rail that's set to around 35 psi. The fuel pump can deliver more than this of course, but the regulator is there to return excess pressure to the tank. Perhaps your problem is the fuel pump or the MPI relay which is usually behind the center console.

Mar 01, 2014 | Cars & Trucks

1 Answer

Do i have to drop the tank to replace a fuel pump on a 2002 montero sport


WARNING In almost every case, replacing the Mitsubishi electric fuel pump requires removal of the fuel tank. Please refer to the fuel tank removal and installation procedure at the end of this section.
  1. Lift or move aside the carpet in the rear cargo area.
  2. Remove the oval cover plate from the access hole.
  3. Disconnect the fuel pump harness connector at the rear of the fuel tank.
  4. Start the engine, allowing it to run until it runs out of fuel. This relieves pressure within the fuel system.
  5. Turn the ignition switch OFF and disconnect the negative battery cable.
  6. Remove the fuel filler cap.
  7. Drain the fuel from the fuel tank into suitable container(s), each with an airtight lid.
  8. Carefully, and using two wrenches on the fittings, disconnect the high pressure fuel line and the main fuel line from the pump. Remove the high pressure fuel hose at the body-side main pipe connection, unfasten the pump-side connection. Wrap each joint in a rag before loosening; some pressure may remain within the system.
  9. Remove the fuel pump retaining nuts and carefully remove the pump from the tank.
The fuel pump may still contain liquid fuel. Drain it into a suitable container with an airtight lid before performing any tests or inspections.
To install:
  1. Carefully install the pump into the tank and install the 6 retaining nuts onto the studs. Tighten the nuts evenly and in a crisscross pattern to 12 ft. lbs. (16 Nm).
  2. Reinstall the high pressure and supply line to the pump.
WARNING Take great care when connecting the threaded high pressure lines. Start the threads by hand, then, while holding the hose side to keep it from turning, tighten the flare nut to 27 ft. lbs. (37 Nm).
  1. Connect the pump wiring harness.
  2. Connect the negative battery cable. Turn the ignition key to ON but do not start the engine. You should hear the pump running. Allow it to run for about 10 seconds to build line pressure, then start the engine.
  3. After the engine has run smoothly for a minute or two, shut the ignition off and check the work area for any trace of leakage. Attend to any fuel leaks immediately, remembering that the system has repressurized and must be handled safely.
  4. Reinstall the cover on the access hole and replace the carpet in the cargo area.

Oct 22, 2012 | 1997 Mitsubishi Montero Sport

1 Answer

Oil pump not raing pressure


If this is a 3.0 liter V6 the oil pump is driven directly by the crankshaft. This pump is located directly behind the timing belt sprocket on the crank. To access it you'll have to remove bolts from the front portion of the oil pan and remove, for the most part, everything off the lower front portion of the motor. If you feel comfortable a good shade-tree mechanic you should be able to do this, expect a full weekend though. While doing this go ahead and replace timing belt and belt tensioner too. In truth I can't imagine this pump failing. They are very simple yet very rugged. Are you able to put another gauge on a oil line to test true oil pressure? Curious to what problems you are having?

Thanks,
Tom

Apr 23, 2010 | 1999 Mitsubishi Montero Sport

1 Answer

2001 Montero Sport does not have power when climbing mountain pas


Considering what has been done, the problem sounds like a fuel issue. Do a fuel pressure test, it should be 47-50 psi with vacuum line pulled off fuel pressure regulator. If low replace filter and try again. If still low replace pump. Please make sure to rate me when done. Thanks

Jun 08, 2009 | 2000 Mitsubishi Montero Sport

1 Answer

How to change the fuel pump on a 1994 Mitsubishi Montero LS 3L V6


just for you REMOVAL & INSTALLATION
See Figures 1 and 2
WARNING In almost every case, replacing the Mitsubishi electric fuel pump requires removal of the fuel tank. Please refer to the fuel tank removal and installation procedure at the end of this section.
  1. Lift or move aside the carpet in the rear cargo area.
  2. Remove the oval cover plate from the access hole.
  3. Disconnect the fuel pump harness connector at the rear of the fuel tank.
  4. Start the engine, allowing it to run until it runs out of fuel. This relieves pressure within the fuel system.
  5. Turn the ignition switch OFF and disconnect the negative battery cable.
  6. Remove the fuel filler cap.
  7. Drain the fuel from the fuel tank into suitable container(s), each with an airtight lid.
  8. Carefully, and using two wrenches on the fittings, disconnect the high pressure fuel line and the main fuel line from the pump. Remove the high pressure fuel hose at the body-side main pipe connection, unfasten the pump-side connection. Wrap each joint in a rag before loosening; some pressure may remain within the system.
  9. Remove the fuel pump retaining nuts and carefully remove the pump from the tank.
The fuel pump may still contain liquid fuel. Drain it into a suitable container with an airtight lid before performing any tests or inspections.
To install:
  1. Carefully install the pump into the tank and install the 6 retaining nuts onto the studs. Tighten the nuts evenly and in a crisscross pattern to 12 ft. lbs. (16 Nm).
  2. Reinstall the high pressure and supply line to the pump.
WARNING Take great care when connecting the threaded high pressure lines. Start the threads by hand, then, while holding the hose side to keep it from turning, tighten the flare nut to 27 ft. lbs. (37 Nm).
  1. Connect the pump wiring harness.
  2. Connect the negative battery cable. Turn the ignition key to ON but do not start the engine. You should hear the pump running. Allow it to run for about 10 seconds to build line pressure, then start the engine.
  3. After the engine has run smoothly for a minute or two, shut the ignition off and check the work area for any trace of leakage. Attend to any fuel leaks immediately, remembering that the system has repressurized and must be handled safely.
  4. Reinstall the cover on the access hole and replace the carpet in the cargo area.
0900c152800547c3.jpgFig. 1: Components of the fuel pump and fuel tank 0900c152800547c4.jpgFig. 2: Components of the fuel pump-all models similarTESTING
When diagnosing engine problems, particularly a "no start" condition, the fuel pump function should be checked. Because of the difficulty in reaching the fuel pump connections, Mitsubishi automobiles have a conveniently located test connector under the hood. V6 Monteros have the connector taped to a wiring harness inside the right front kick panel, near the ECM and relays.
This connector bypasses all of the controls in the system (ignition switch, pump relay, etc.) and sends voltage directly to the pump. When power is applied to the pump you should be able to hear it running, although the in-tank pumps require you remove the fuel filler cap and listen at the filler.
To use the test connector, make certain the ignition is OFF. Great damage may be caused if the system is tested with the key on. Locate the test connector in the engine compartment (on later Monteros it is located under the right-hand side of the dashboard)-it is generally on a short lead out of a wiring harness and looks like a plug that isn't connected to anything. Once found, use a jumper wire to connect the test terminal to the positive battery terminal. Listen for the fuel pump; if it runs, you know the pump motor is good. While the pump is running, gently squeeze one of the fuel lines and confirm that the pump is delivering fuel pressure. If it does not run, the pump itself is most likely defective OR the connector to the pump is faulty.
When the pump is removed from the tank, it may be checked by applying battery voltage (+) to the connector and grounding the housing. Only run the pump for one or two seconds during this test; the pump can be damaged by running without liquid.
CAUTION Make certain the pump has been drained of residual fuel and is free of fuel vapors. Connecting and removing the test leads will cause sparks which can ignite any vapor in the area.

Jan 18, 2009 | 1994 Mitsubishi Montero

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