2005 Scion xB "gmc envoy p0174" Questions

Question about GMC Cars & Trucks

I have a 2006 gmc envoy,check engine light keeps coming on,the code says it's a vacum leak,my ? is how common is this and where would i start?

...gmc envoy,check engine light keeps coming on,the code says it's a vacum leak,my ? is how common is this and where would i start? What is the code ? No code specifically say's there is a vacuum leak . ...

Question about Scion xB

2 Answers

Codes p171 and p0174 on a chevy truck?

...GMC Envoy XL XUV S1, T1 ) and (03-05 Hummer H2) and (04-05 Cadillac CTS-V DB) and (98-02 Chevrolet Camaro FB) and (97-04 Chevrolet Corvette YB) and (98-02 Pontiac Firebird FB) and (04-05 Pontiac GTO ...