Low Boost
POSSIBLE CAUSE ACTIONAir leak at intercooler, flanges, ^ Locate and repair leak or replace
duct, supercharger housing, damaged component.
supercharger outlet.
Contamination in system, blockage. ^ Remove obstruction.
Supercharger not turning. ^ Check drive belt tension and
condition.
^ Check coupling for damage.
^ Check for pulley slipping on shaft.
Bypass not closing. ^ Check function of bypass actuator.
^ Check stop adjustment.
^ Check vacuum hose condition and
installation.
Insufficient flow from supercharger. ^ Check supercharger for incorrect
clearances - wear from contamination.
^ Check for correct pulley diameter.