On the latest engines, the intake air heating is regulated automatically. When the heating fails, various defects may be observed.
Unstable operation in idle mode during warm-up.
Transient disturbances.
Reduced power, inability to reach maximum speed.
Increased fuel consumption.
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Adjusting the intake air heating (VW Transporter T3)
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The text has been checked: Tarasov Ivan
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Transporter T4
Transporter T3
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