startin problom.plzz helpproblom is , when i leave my car parked in the sun , i

[koolaid]

i have a 91 s13 coupe with a stock ka24de motor, my problom is when evr i leave my car parked in the sun it wil not start or even turn over,???? buut if i push start it it will start, now when my car stays in the garage it starts,, now the thing is that my car started doing this when i changed my ignition switch, i replaced it with a used one from the junk yard, im thinking its mayb cuz of that, reason i changed it also cuz the other switch was fried cuz of a short that i had electrical, please helppppthanksooo nd now i just ordered a new ignition switch , idk if thats guna fix the problom ???????