Audi C7/D4 4.0TFSI EA824
Supplemental Fuel Injection Kit

Green Hose – 6AN from fuel tank to fuel filter
Red Hoses – 6AN from fuel filter to each bank PFI rail
Blue Hoses – 6AN from each bank PFI Rail to HPFP

Flex fuel sensor is installed on Bank 1 between the PFI rail and the HPFP
A 6 or 10 Micron fuel filter is required!

Bank 1 is on the right side of the vehicle when sitting in the driver’s seat. Bank 2 is on the left.

Never use Teflon tape or any sealant on AN fittings.
Make sure installation direction of fuel filter is correct.
Secure hoses with cushion clamps and/or zip-ties.
Always check for leaks after installation.