Engine/Transmission (1994 - 1998) time for a change

[TKoontz]

i have a 95 2500 with 117000miles most of it towing a 5th wheel. the milage in town has droped from 16. 5-17. 5 to 15 in the last 3 tanks of fuel. is it time to replace the injectors.

no leaks, run great last oil analist say all is where it should be.

thanks in advance.