Question about 1992 Mitsubishi Mighty Max

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1992 2.4L mighty-max pickup won't start checked MFI & ECM( they are ok) not getting GAS. using starter fluid starts for a second won't stay running. at wits end, got any suggestions?

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Posted on Jan 02, 2017

SOURCE: mitsubishi mighty max pick up 1992

Something keeps draining the battery in my 1992 Mighty Max pick-up. Does anybody have any suggestions?

Posted on Oct 04, 2008

  • 1 Answer

SOURCE: need emmision vacumm diagram for

I have a factory manual for a 1985 MightyMax if that would help. I could send the section that you need.

Posted on Nov 30, 2008

  • 39 Answers

SOURCE: 95 mitsubishi mighty max main required light

If you are speeking of the check engine light you can disconnect the battery for a few minutes then reconnect it and the light should go off.

Posted on Jan 28, 2009

  • 3 Answers

SOURCE: transmission oil goes?

I'm assuming you mean the 5-speed manual transmission. You've got to pull the carpet back around the shifter, remove the bezel that holds down the rubber boot, then remove the 10mm (I think) bolts that hold down the shifter ... lift the shifter out and add the transmission oil.

Posted on Aug 08, 2009

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SOURCE: Torque specs for mighty max

Per my Chilton's manual tehe bolts should be (cold engine) 65 to 72 FT. Pnds., the cam shaft bearing bolts should be 8x25 = 15 - 19 Ft pnds and the 8x65 should be 14 - 15 Ft Pnds.

The sequence is as follows for the (10 ) head bolts:

7 - 5 - 2 - 4 - 10

9 - 3 - 1 - 6 - 8

I hope this may help,
Tom

Posted on Oct 15, 2009

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Truck starts and dies right away,new fuel pump,fuel filter,plugs,20 bucks in gas.spray starter fluid in it ,it stays on.until i stop spraying.fuel isgetting to the rail 1991 mitsubishi mighty max 2.4l


Sounds like your injectors have no power. Check fuses, and connections on the back of injectors. Then follow the wires back and make sure they are connected properly. If you have a power tester, see if you have power to the injectors as you are turning it over.. And stop using spray on it. That is very hard on any vehicle including diesels. Very hard on them

Nov 11, 2013 | Cars & Trucks

1 Answer

86 mighty max won't start on its own have to use


You're probably on the right track but check all the supply lines for any air holes,

Sep 02, 2013 | Cars & Trucks

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

1 Answer

91 camaro won't start 3.1 6V. Changed fuel pump, injectors, & ICM, has spark & will start with starting fluid, then die. But will not start and run. It cranks over, but won't catch. Security light...


Is the fuel filter ok? - fuel pump ok? Sometimes a new fuel pump is faulty. You may need to check your fuel pressure. Could even be a plugged fuel return line. PS be careful using starter fluid - it can be hard on an engine. Le t m e know. Thanks

Dec 22, 2010 | 1991 Chevrolet Camaro

1 Answer

I don't think my truck is getting a full 12 volts during startup.


The starter is at fault,the contacts are bad in the starter,and it is drawing to much amps from the ignition.

May 09, 2010 | 1986 Mitsubishi Mighty Max

1 Answer

05 jeep grand cherokee, starter works, when i use starting fluid, will run for a few seconds, but wont stay running


The engine is not getting gas. Check fuel pump fuse and relay. If ok could be bad fuel pump.

Mar 02, 2010 | 2004 Jeep Grand Cherokee

2 Answers

Engine not starting turns over good, clean out gas tank and replace fuel filter and blew out the lines and have power to the plugs


Do you have pulse to the fuel injectors? The besy way to test is with a set of NOID lites; these can be rented at many places like AutoZone for little or no cost. Unplug a fuel injector and plug in a noid light; if there is no flash you know you have minimized your search. My gut feel is your trucks ECU (Engine Control Unit) these units from early 90's Mitsubishi have big isses with the capacitors leaking (a matter of when not if). I fully expect you'll need to replace the ECU (the NOID lites will confirm this) when changing the ECU you want to identify it by the MD number on it, this it what you'll need to order a new one. I have had two Montero's and now my son's 3000GT all of whichhad their ECU's fail.
This issue can effect either spark or injector pulse.
Please see attached link for further info:

http://en.allexperts.com/q/Mitsubishi-Repair-824/Galant-spark.htm

I hope this may have helped,
Tom

Oct 25, 2009 | 1990 Mitsubishi Mighty Max

1 Answer

95 Mighty Max has been sitting for one year


Unfortunately if all you did was dilute the stale fuel you will have to remove the entire fuel system and clean/replace.Stale (old)fuel becomes acidic and works like an acid.If you remove the fuel system yourself avoid getting it on your skin as it burns(personal experience)At least its not an ignition fault as the engine wants to run with an independant supply of fuel(start fluid)Sorry cant supply cheap alternative but there you are Good luck and let me know how you go with it.

Nov 12, 2008 | 1990 Mitsubishi Mighty Max

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