truck backfires for a short time 5-10 min after start up and last for about
a mi on 1998 Dodge Ram 2500

a mi or so. No codes appear. It doesn't happen every time but more often than not.

Asked by for the 1998 Dodge Ram 2500
2 answers
scan for codes to start with and post for us to adv
sounce like plugged open fuel injector