Hey all, have a few questions regarding my Volvo. I’ve been experiencing rough idle at startup, lack of power, I can hear my turbo suck air, and codes p0420 and p0134 showed up. The car runs fine after it warms up but is sluggish still. Yesterday I decided to clean my MAF, and it seemed to be in go...

Replacing the intake pipe may not fix all the problems you have but I can guarantee that the car won't run correctly if leaks between the mass airflow sensor and intake valves are not sealed. The Volvo and aftermarket inlet pipes are extremely expensive. Try getting a part from a u-pick junkyard. I ...

I bought a pack of bright colored vac lines from ipd and replaced them all. That way it's easier to trace them to the correct spot, and they don't disappear in the greasy blackness behind the motor.

Aren’t those codes unrelated to a huge vacuum leak though? Both of them infer to cat inefficiency? Someone smarter than me (jonesg i’m looking at you) please correct me. An Intake pressure loss richens the fuel air ratio, o2 sensor detects excess fuel passing through the system....it doesn't know w...