December, 2014 IMPCO Technologies Inc. PPI-131 REV. A
3030 South Susan St. Page 15 of 16
Santa Ana, CA 92704
www.impcotechnologies.com
3030 S Susan Street, Santa Ana, CA 92704
Ph: +1 714 656 1200 Fax: +1 714 656 1400
39. Insert the Fuel Outlet Fitting (37) into the port of
the Upper Body (6) and secure with Retaining
Clips (40) as pictured.
40. Install the Genius Max regulator in the vehicle and
turn on the fuel supply to pressurize the regulator.
Using soap and/or a commercial leak detector
solution, check for leaks, especially around the
Center Body (3). If no leaks are found, start the
engine, allow to idle and check for leaks again. If
leaks are found, the rebuild has failed and the
regulator must be replaced.
47. If no leaks are found, check the outlet pressure
using computer based diagnostic software to
read the fuel rail pressure sensor. Start the
engine and note the pressure. The pressure
should read 1.45-1.55 Bar (21.0-22.5.psi). If
not, the pressure can be adjusted using a 4mm
Allen key. Turn the Adjustment Screw (21)
clockwise to reduce pressure and counter-
clockwise to increase. Once the outlet pressure
has been set to 1.45-1.55 Bar (21.0-22.5 psi),
the regulator can be returned to service.
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