mcat Well-Known Member Joined Jun 28, 2009 Messages 284 Reaction score 16 Location cincinnati ohio 45251 May 18, 2014 #1 can the bottom of an injector cause a vacuum leak, yet not leak any fuel?
7 71ruster Member Joined Dec 3, 2012 Messages 6 Reaction score 1 Location Richland MI May 18, 2014 #2 I say yes there are o rings on both end of a injector top for fuel and bottom for vacuum
blown71duster Well-Known Member Joined May 22, 2005 Messages 523 Reaction score 44 Location Troy,Ohio May 19, 2014 #3 We use a smoke machine to check for vacuum leaks at our shop . I have seen guys use carb cleaner, propane or even water sprayed at the suspected leak.
We use a smoke machine to check for vacuum leaks at our shop . I have seen guys use carb cleaner, propane or even water sprayed at the suspected leak.
Map63Vette Well-Known Member Joined Apr 19, 2010 Messages 1,633 Reaction score 100 Location Lawrence, KS May 19, 2014 #4 I'd think it's possible. It's not like the whole intake system is pressurized and going to squirt fuel out if the lower O ring is bad.
I'd think it's possible. It's not like the whole intake system is pressurized and going to squirt fuel out if the lower O ring is bad.
TrailBeast AKA Mopars4us on Youtube Joined Mar 11, 2011 Messages 22,427 Reaction score 11,926 Location Arizona May 19, 2014 #5 Oh yea they can, because fuel in an injected system really isn't a liquid like we see with carbed engines. The injectors fire a timed mist right before the engine sucks it into the cylinder, so yes a vacuum leak can exist without fuel showing.
Oh yea they can, because fuel in an injected system really isn't a liquid like we see with carbed engines. The injectors fire a timed mist right before the engine sucks it into the cylinder, so yes a vacuum leak can exist without fuel showing.