What causes a Skoda Superb to stall when the air conditioning is turned on?

1 Answers
Reed
07/29/25 5:59pm
Skoda Superb stalls when the air conditioning is turned on for the following specific reasons: Low engine idle speed: It may be due to low engine idle speed. The low idle speed causes the engine to stall when the vacuum level in the intake manifold changes during braking. Component issues: Damage to the vacuum booster pump or a cracked/disconnected rubber hose connected to the vacuum booster can lead to unstable idle speed and stalling due to vacuum level changes. The solution is to clean the idle valve or replace the vacuum booster pump or rubber hose. The automotive air conditioning system generally consists of components such as the compressor, electromagnetic clutch, condenser, evaporator, expansion valve, receiver-drier, piping, condenser fan, vacuum solenoid valve, idle speed controller, and control system.
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