Question about 1991 Mitsubishi 3000GT

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My 3000gt starts for about 5 seconds and then shuts off. The alarm randomly went off tonight.. Could it be a security system? Or what other ideas do you guys have out there?

Security system? Fuel pump? Relay? Mass air flow sensor?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: engine will randomly shut off

1993 Mitsubishi 3000 GT stalls for no good reason, you never really know for sure exactly when it’s going to happen. It might start up right away, or after a few cranks. It may be hard to start in the first place. This could be caused by a faulty ignition switch, and could be easily repaired.
.5- If the engine cranks but wont start, hold the key firmly pressed inward or frontward while trying to start.
1- If the engine starts: energetically jiggle the ignition key back and forth while the engine is running.
2- If the engine stalls at any time while doing this, then you may have a defective ignition switch.
2.5- Remove the Ignition key from the ignition.
3- Remove the four screws from underneath the steering column cover.
4- Hold the lower half of the cover with both hands and pull it apart from the upper half. You might have to use some force to overcome the locking tabs, you might have to tilt the steering wheel up or down to remove the covers.
5- Insert the ignition key back into the key cylinder (ignition switch)
6- Turn the key to the on position (don’t start the engine)
7- Move the key in and outward while observing the opposite side of the key cylinder
8- If the opposite end of the key cylinder moves even a little, while moving the key; then the wiring side of the ignition switch has popped out of the key cylinder and needs to be secured back into place. (You don’t have to replace the key cylinder)
9- Press the wiring end of the key cylinder inward and tie it down firmly with a strong nylon zip tie.
10- This should take care of the problem.
10.5- Remove the ignition key.
11- Reinstall the removed parts.

Don’t use a rubber band to tie down the loose ignition part; it will break-off when the ignition switch gets hot.

Posted on Sep 24, 2008

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dustyboner
  • 331 Answers

SOURCE: mass air flow sensor

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Posted on Oct 18, 2008

skychief2001
  • 21873 Answers

SOURCE: 95 Mitsubishi 3000gt dies when at idle

Could be a wiring problem or a leak in the hose to the sensor.
Does the reading change if you increase the RPM ?

Posted on Sep 13, 2012

  • 130 Answers

SOURCE: My 3000gt starts for about 5 seconds and then shuts off. The alarm randomly went off tonight.. Could it be a security system? Or what other ideas do you guys have out there?

Try going to your local Autozone store and ask them to check
your vehicle for emissions and other engine problems.
This is a free service. They will show you a print out of the probable causes of the problem you are having and the cost of the parts you need to fix your vehicle.

Posted on Apr 22, 2014

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1 Answer

My 3000gt starts for about 5 seconds and then shuts off. The alarm randomly went off tonight.. Could it be a security system? Or what other ideas do you guys have out there?


Try going to your local Autozone store and ask them to check
your vehicle for emissions and other engine problems.
This is a free service. They will show you a print out of the probable causes of the problem you are having and the cost of the parts you need to fix your vehicle.

Apr 22, 2014 | 1991 Mitsubishi 3000GT

2 Answers

1993 mitsubishi 3000GT ELectronic/ wiring NIGHTMARE!!!!!!!!!!!!!!!!!!!!


It sounds like the passlock is acting up. Check your wiring diagram and see what color wires go to it and check it out

Apr 23, 2017 | 1993 Mitsubishi 3000GT

1 Answer

My 1988 240 sel mercedes (well maintained) was given to me by my father (lives in Florida) without any remote (I don't know if it ever had one/ 1988) anyway, after a while the alarm would randomly sound...


First off, its a 420SEL, there is no 240SEL that year.
Remove the factory alarm.
1) remove the passenger side floormats 2) unscrew the 10mm nut securing the kick panel to the firewall. 3) locate the black box that says "becker autoradio" on it. 4) unplug both cable harnesses from the box 5) remove the box (optional)
Put the kick panel and rugs back and you are done! Should take 10 minutes.

Feb 16, 2011 | 1988 Mercedes-Benz S-Class

1 Answer

I have a 98 jeep grand cherokee. i went to start it the other day and the alarm started goin off and it ran for a few seconds and then died. is there a way to disconnect the alarm so it will stay running...


If you use the original key to lock & unlock it from the tailgate and then try starting it, it should reset the system. Be aware that when it this begins to happen more often, it is usually an indication of the battery getting weak & losing the onboard memory for the security memory. If you are using an aftemarket key this may continue to shut down because the security system does not recognize an uncoded key.

Jan 08, 2011 | 1996 Jeep Grand Cherokee

3 Answers

My 1998 dodge intrepid wont start and the alarm wont shut off


Try "cycling the key in the passenger door lock. Turn it all the way to the right and all the way to the left.

Jul 16, 2010 | 1999 Dodge Intrepid

1 Answer

Changed oil and cleaned battery cables.Started car up. Ran for 2 seconds security alarm went off car shut down.no power to fuel pump.Is there some way to reset the fuel pump


You need to reset the alarm system.That can be done with the remote entry key fob or by locking then unlocking the drivers door with the ignition key with all doors closed.This is for a factory alarm system.Also check the inertia switch,should be in the trunk,on the side with a push button top.Push button.If already down its not tripped.

Apr 17, 2010 | 2000 Mercury Cougar

2 Answers

Security light flashing and car won't start now


does it start at all, or does it run for about 1 second and shut off? if the latter, then it's the passlock system, and he could have a defective key or security module. the keys have a predetermined resistance value which activates the passlock system to prevent hotwiring. If it is the passlock system, then sometimes you have to wait 15-20 mins for it to reset before starting the engine.

Jun 20, 2009 | 1998 Oldsmobile Achieva

1 Answer

1994 Mitsubishi 3000GT with Alarm problem, HELP!!!


Have you tried checkout no the fuse? Sometimes in vehicles when the fuse it going bad it will arm itself

Apr 10, 2017 | Mitsubishi Eclipse Spyder Cars & Trucks

1 Answer

3000gt...


does the fuse blow? second question does your sterring lock down when your car shuts down?

Oct 08, 2008 | 1991 Mitsubishi 3000GT

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