Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
Thanks for your patience.Any good lock smith can make you a duplicate key using either lock cylinder. They need to have it removed then they can disassemble it and remove the tumblers which are numbered to tell them what size cut to go into each position. Note that the door lock cylinder is easier... as the ignition one needs to be "picked" to get it out if you don't have a good key already.
So yes, essentially they will want to make a duplicate using the door cylinder as a guide. The two keys should be identical.... the length doesn't really matter as different brand replacement keys are different lengths. From Mitsubishi though the actual key cut is the same for the door and the ignition. If yours are cut differently, that means someone has changed them in the past... at which point you are going to be out of luck with regard to using the door cylinder.
It looks like we missed each other. If you need clarification on anything just let me know and I will get with you as soon as I can.
Sounds good, hopefully that should get you set; for a 91 it should be the same key for both unless one was replaced in the past.I'll be here if you need me.