Question about 1991 Mitsubishi Mighty Max
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.
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Posted on Jan 02, 2017
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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