Check the EGR tube. I doubt it would cause the pop but it could hurt your low RPM drivability like you've talked about.
On mine it just looked cracked from an external inspection, but when it came off it was actually in two pieces. The problem area is in a thermal expansion flex that just isn't durable enough. The replacement part will have it omitted.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.