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2008 | 2009 Bosch Automotive Aftermarket
Gasoline injection systems | A9
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LH-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 LH-Jetronic is closely related to the
L-Jetronic. It differs in terms of the record-
ing of the volume of air drawn in by the
engine, which in this case is performed by
a hot-wire air-mass meter. This measures
the air mass drawn in by the engine.
The measurement result is thus independ-
ent of temperature and pressure.
Electric fuel pump
Fuel filter
Fuel-pressure regulator
Injector
Hot-wire air-mass meter
Engine-temperature sensor
Rotary idle actuator
Throttle-valve switch
Lambda Sensor
N Electronic control unit