9755
Veteran Member
I tried the search button, but it disappears before I can type.
I got this car about a month ago. (2001 Jetta TDI) had zero boost when I got it. Changed all vacuum hoses with oem replacement hoses. That fixed the lack of boost. Then got over boost code. Adjusted the actuator and all was good. Today half way to work I noticed no woosh when I shifted and didn't seem to spool when reved. Then noticed under wot I was only building roughly 10#s of boost and had a ridiculous amount of smoke.
Checked vacuum at the pump while running and maxed out my vacuum tester.
N75 was at 24#s
Egr opened and closed with vacuum
Turbo actuator opened and closed with vacuum
I noticed the black and white check valve flowed both directions...me blowing through it.
Didn't find any boost leaks either.
Also unplugged the maf. Set off cel with no noticable difference in performance.
And the car has straight pipe, rc3 chip, boisi 520 race nozzles
Any direction to go next is greatly appreciated
I got this car about a month ago. (2001 Jetta TDI) had zero boost when I got it. Changed all vacuum hoses with oem replacement hoses. That fixed the lack of boost. Then got over boost code. Adjusted the actuator and all was good. Today half way to work I noticed no woosh when I shifted and didn't seem to spool when reved. Then noticed under wot I was only building roughly 10#s of boost and had a ridiculous amount of smoke.
Checked vacuum at the pump while running and maxed out my vacuum tester.
N75 was at 24#s
Egr opened and closed with vacuum
Turbo actuator opened and closed with vacuum
I noticed the black and white check valve flowed both directions...me blowing through it.
Didn't find any boost leaks either.
Also unplugged the maf. Set off cel with no noticable difference in performance.
And the car has straight pipe, rc3 chip, boisi 520 race nozzles
Any direction to go next is greatly appreciated