1995 Chrysler Cirrus help!

Recently wrote to you how my car engine came on on my home from work when I was at a stop light it would not go I was loosing power sometimes it shuts off when I come to a stop I just bought car codes in the car read 1 pause 2 pause 2 pause 1 pause 2 pause 1 pause 5 then 5 earlier in the week it just said 1 pause 2 then 5 then 5 I did do something this morning the idle was so low that you could not tell the car was on I put my foot on the break and throttle together (i said that in the forum) it raised the ilde do I mess the car up more I am clueless about this but I am learning need help