Hey guys, long time no see.
Vehicle
2007 GTI 2.0T FSI with 35,000 miles
Symptoms:
-loud whining or hissing noise that goes away above 1500rpm.
-CEL which threw 2 codes: P0507 (Vac leak) and P0171 (Low fuel Pressure)
Diagnosis:
After some searching on here, I believe the problem to be the...