Ford Powerstroke Diesel Forum banner

Exhaust sound changes at idle????

1K views 4 replies 4 participants last post by  Squirly 
#1 ·
Not sure what the deal is but the truck has always done this at idle. It will just sound normal and then it will sound like a hairdryer or something kicks on for about 15-20 seconds and then it will quit. Is this normal? What is it?:dunno:
 
#2 ·
yuppp normal, my dmax does it, its 3 in straight piped, if you go to a 5" like i have on my powerstroke you hear it a little less , but yeah perfectly normal!
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top