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Bosch Automotive Aftermarket 2008 | 2009
A8 | Gasoline injection systems
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L-Jetronic
Further technical information can be found
in the “L-Jetronic” booklet.
Part number 1 987 722 160.
The booklets are available from franchized
Bosch wholesalers.
The L-Jetronic is an electronically control-
led injection system featuring air-flow
measurement based on the sensor-plate
principle and electromagnetically controlled
fuel injection into the intake manifold. All
engine-related changes are recorded by
a variety of sensors and processed in the
electronic control unit. This ensures con-
stant good emission quality in combination
with low fuel consumption.
Electric fuel pump
Fuel filter
Fuel-pressure regulator
Injector
Air-flow sensor
Thermo-time switch
Auxiliary-air device
Throttle-valve switch
Lambda Sensor
N Electronic control unit