back fire

intense 7MGTE · 09-23-2005, 07:41 PM

I have a MKIII turbo w/ a full race exhaust and no cats. When I shift gears and only build about 5psi of boost my car will back fire a little in between shifts. Any idea what would be causing this??

09-23-2005, 07:41 PM	#1
intense 7MGTE Stock Join Date: Jul 2005 Posts: 20	back fire I have a MKIII turbo w/ a full race exhaust and no cats. When I shift gears and only build about 5psi of boost my car will back fire a little in between shifts. Any idea what would be causing this??