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ENGINE POWER RESTRICTED
MODEL:S4
FROM 1992
CAUSE:moisture separator in vacuum lines between intake manifold and ECM
leaking.
vacuum line connection on intake manifold is partially blocked by
loctite contamination.as result the ECM does not recognize actual boost
pressure.
vacuum lines between intake manifold and ECM is kinked in area of fire
wall.
SERVICE:check vacuum lines for leaks
check moisture separator located in right side footwel near ECM.pay
attention to correct welding of moisture separator housing halves.
if necessary,replace moisture separator
check for kink,line routing,connection and clean as necessary...