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In 1994 mitsubishi lancer when in running condition engine is low power what is the cause newly replace.spark plugs,fuel pump the tank is already cleaned and timing is ok newly cleaned throttle body

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Mine is a different year, but was going through low engine power issues a few months ago. However, I took it in and had some engine repair done. It now works fine and it was just a side effect of it being an old vehicle. Have you ever had your engine worked on before? If not, then this is your vehicle telling you that it is time to do that since it is over 20 years old. Home Sycamore Mr Transmission Milex

Posted on Dec 14, 2015

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  • Mitsubishi Master
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Low compression in the cylinders. Do a compression test on each one.

Posted on Apr 09, 2015

  • Jover Dela Cruz
    Jover Dela Cruz Apr 10, 2015

    What is the specs of compression of 1994 mitsubishi lancer

  • Randy Ohler Apr 10, 2015

    Not exactly sure. But I think the minimum is about 140+ pounds. They range from 180 to 215.

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SOURCE: My 1994 Mitsubishi Lancer (4g15) engine stops

Fuel pump

Posted on Mar 06, 2010

Testimonial: "It's the fuel pump indeed. Also the gas tank found to be very dirty. The fuel pump was replaced, fuel system cleaned, now the car runs perfectly."

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SOURCE: Mitsubishi Lancer 2002 1.3Ltr Gasoline Engine -

try reseting the immobiliser.?

Posted on Jan 31, 2011

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SOURCE: spark plugs getting wet from fuel, compression ok, not starting, timing ok, spark ok, new spark plugs, changed fuel pump in tank,

Check fuel pressure regulator. The actual pressure with a gauge the clean injectors. I'd double check the timing. It also can be the throttle body. Only so many fuel problems the take a good look at the distributor. Small crack or bad wire gives off spark but might not be enough small 4 cylinder for their pecission motors need to be precise check fuses and main busses those are easy and cheap fixes

Posted on Jan 01, 2015

Testimonial: "can you send me web address for technical workshop manual with all specs"

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1 Answer

Why engine stop firing


Are you getting spark?
Check to see if distributor rotor is turning. If not, inspect timing belt.
If it is turning, then are your plugs sparking? Is your distributor cap or are the leads damaged?

Also check air filter condition and fuel filter condition.
Check for fuel delivery and pump operation.

Nov 13, 2012 | 2003 Mitsubishi Lancer

1 Answer

1998 ck2a lancer 4g15 no go. have replaced dizzy, computer and tps. has spark and injector pulse and timing is fine. any help appreciated


the next thing to check is the fuel system.
is there fuel in the system, the tank, fuel lines. is there fuel pressure at the injectors? check the fuel pump electrical system, the fuse, fuel pump relay, fuel cut off circuit. some factory security system have a fuel inhibitor, that disable the fuel pump circuit!

Sep 11, 2012 | 1998 Mitsubishi Lancer

1 Answer

I have a 1990 mitsubishi might max it wont run smooth unless you keep your foot on the gas and keep the rpms up a little bit and it wont drive cause it stalls everytime you try to move it. ive replaced the...


You've already eliminated the spark plug & wireset, distributor cap & rotor.
Sounds like your car needs a tune-up, specifically, the PCV (positive crankcase ventilation) valve, and/of the EGR (Exhaust Gas Recirculation) valve.

Components checked/replaced during a tune-up are:
air filter
motor oil
motor oil filter
breather filter
fuel filter(s)
fuel strainer
PCV valve
EGR valve
spark plugs
spark plug wires
ECM or distributor cap & rotor
cabin air filter
transmission oil filter
transmission oil
engine coolant
check all vacuum hoses and lines

Troubleshooting the no-start condition - from the 1990 Mitsu Mighty Max Repair Manual:

Priority Action Part Type -- Cause
1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Distributor Cap -- Distributor Cap Cracked or Burned.
3 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Ignition Coil -- Faulty Ignition Coil.
6 Inspect Wireset -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Fuel Pump Relay -- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator -- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch -- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive -- Faulty Starter Drive.
15 Inspect Fuel Injector -- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer -- Clogged or Dirty Fuel Pump Strainerat.
17 Inspect Engine Control Computer -- Incorrect Operating Information Being Delivered and Sent From The EEC.
18 Inspect Fuel Tank -- Fuel Tank Empty.
19 Inspect Carburetor -- Carburetor Flooded or Faulty Choke.
20 Inspect Distributor -- Worn, Loose, or Incorrectly Installed Distributor.

Aug 17, 2011 | 1993 Mitsubishi Mighty Max

2 Answers

Where is fuel pump located mitsubishi lancer 1997


since carburetors were replaced by fuel injection, about 1991, just about all gasoline fuel pumps were moved inside the gas tank and are electric.

Jun 29, 2011 | 2006 Mitsubishi Lancer

1 Answer

Not getting fire over the #1 spark plug coil. What needs to be changed/what is the cause of the problem? The engine stopped running while in motion. Battery light came on first then all the other warning...


  1. Check fuel level in fuel tank, add fuel if empty.
  2. Check battery condition and state of charge. If voltage and load test below specification, charge or replace battery.
  3. Check battery terminal and cable condition and tightness. Clean terminals and replace damaged, worn or corroded cables.
  4. Check fuel delivery system. If fuel is not reaching the fuel injectors, check for a loose electrical connector or defective fuse, relay or fuel pump and replace as necessary.
  5. Engine may have excessive wear or mechanical damage such as low cylinder cranking pressure, a broken camshaft drive system, insufficient valve clearance or bent valves.
  6. Check for fuel contamination such as water in the fuel. During winter months, the water may freeze and cause a fuel restriction. Adding a fuel additive may help, however the fuel system may require draining and purging with fresh fuel.
  7. Check for ignition system failure. Check for loose or shorted wires or damaged ignition system components. Check the spark plugs for excessive wear or incorrect electrode gap. If the problem is worse in wet weather, check for shorts between the spark plugs and the ignition coils.
  8. Check the engine management system for a failed sensor or control module.

May 21, 2011 | 2000 Mitsubishi Galant

2 Answers

2000 Eclipse GT turns over but doesn't start. Fires once in a while but won't run. Had timing belt replaced.


Hi, if the car turn over, and it don't start. Then it is like the engine don't get fuel. Or bad a spark plugs. Most common problem is the fuel pump going bad.

It could also be a bad fuse, but a easy way to check if the fuel pump is ok is to have someone stand at the back of the car when you turn the ignition. The fuel pump should make a buzzing sound for a few seconds. And if you don't start the car right away the fuel pump will stop.

If you don't hear any buzzing from the fuel pump/fuel tank then you have a bad fuel pump............

May 11, 2011 | Mitsubishi Eclipse Cars & Trucks

1 Answer

2002 mitsubishi lancer. Having problems with acceleration problems and a change in exhaust noise. When i accelerate sometimes the car will sputter and won't go at all. I have a code reading cylinder two...


here is my experience in my car "Acceleration Problem" when running in 15-30 munite my acceleration is going to 2500 rpm then it going down and up,..when i go to up in the hill its **** to climb my car i have mitsubishi lancer glxi 96 i check my servo but is good working and check the fuel injector good working then check the map sensor then its working properly and ignition coil and igniton cap and check the spark plug,..all of them are working properly,..,..the problem of your car is not the engine problem,..pull out your fuel tank,..and clean it first then check the fuel pump if working properly...then if your fuel pump is ok,..heres the final,..to get back your acceleration of your car....pull out your fuel pump steamer that is the biggest problem of your car,..because the fuel pump streamer is only a plastick,..when you push your acceleration,..the fuel pump streamer is broke up,..because of many dirt,..change it right now and your problem is very very solve,..that is my experience in my mitsubishi lancer hope your car will running like a new ^___^

Aug 21, 2010 | 2002 Mitsubishi Lancer

1 Answer

Poor performance on up hill drive


This could be caused by a low fuel pressure or poor plugs/wires. Do a fuel pressure test, if low replace filter, if still low replace pump. Also replace spark plugs and wires if you have not done so. If check engine light is on you can bring vehicle to local parts store to have them retrive trouble code. Thanks

Jun 08, 2009 | 2004 Mitsubishi Lancer

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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