Question about 1991 Mitsubishi Mighty Max

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1991 Mitsubishi Pickup Engine turns over but will not start. New computor,fuel pump and fuel filter. New fuel pump relay and coil and distributor.Has fire at plugs and will start if I use starting f

The engine on the 1991 Mighty Max Mitsubishi is a 2.4 standard trainsmission two wheel drive. I did the fuel pump check and the pump is running when you use the fuel pump test lead.Ican not hear the injectors making any clicking noise.There is power to the electrical harness for the injectors but no noise of any kind at the injectors.

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MikenAsh
  • 32 Answers

SOURCE: 1992 mitsubishi mighty max 4

sound like your getting water in the gas, or out of time. check the timming.

Posted on Sep 28, 2008

  • 4 Answers

SOURCE: Truck runs fine till reaches running temp then dies, no spark

Sounds like a bad ignition coil. Have it tested.

Posted on Dec 14, 2008

  • 2309 Answers

SOURCE: 1991 Mitsubishi Mighty Max 2D 4X4 V6 3.0L No Start.

you can get pressure specs from your local parts dept, and check injector signal with a noid light

Posted on Apr 23, 2010

ZJLimited
  • 17970 Answers

SOURCE: I have a 1999 Mitsubishi

There are alot of things that can cause injectors not to pulse. Have you checked simple things such as the MPI fuse on the battery lead? How about the MPI relay under the radio?

Especially if you have messed around back there for any reason its possible it simply became unplugged. Ive seen that more then a few times. Is this your only problem? The injectors are just not pulsing? Or is it missing spark too?

You can also try taking a 9v battery and some alligator clips and see if you hear your injectors "click". I did this with my car and it works wonders. Plus you don't have to take your fuel rail off to swap them out as you know they work.

Hook the positive and negative up to your battery, then take one of the clips and clip it on one of the pins on the injector. Next, take the other one and touch it to the injector and listen for the "click" of the injector opening. Make sure the clips don't come off the 9v battery or the injector.

Keep us updated.

Posted on Jul 06, 2011

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