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Home >> Porsche >> 2009 >> Boxster (987) F6-2.9L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Monitors, Trips, Drive Cycles and Readiness Codes >> Thermostat Monitoring
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Thermostat Monitoring

THERMOSTAT MONITORING

General description
After engine start and under the conditions:
- no hot engine
- ambient temperature within range
- normal driving
- average vehicle speed > 25km/h
- sufficient mass air flow

an increase of the coolant system temperature will be expected.

Monitor structure
If the engine coolant temperature does not reach a certain value under normal driving conditions, the coolant system is defective.






flow chart: