Reference: TC2071
Brand: Premium Economy
The throttle body plays a critical role in how modern engines start, idle and respond to driver input. It controls the amount of air entering the engine based on accelerator pedal position and ECU commands. On modern vehicles, throttle bodies are electronically controlled, meaning accuracy and signal integrity are essential for correct engine operation.
When a throttle body becomes contaminated with carbon buildup, oil vapour or dust, or when the internal motor or position sensor begins to fail, drivers often experience hard starting, high or unstable idle, hesitation and sudden limp mode. These symptoms are frequently misdiagnosed as fuel or ignition problems, leading to unnecessary repairs.
For a detailed explanation of how throttle bodies work together with other engine sensors to control startup and idle, read our in-depth technical guide:
Why Modern Vehicles Fail to Start or Idle Unpredictably – How Sensors Decide Whether Your Engine Lives or Dies
Restore proper airflow control and protect your engine management system by replacing a faulty or worn throttle body with a quality, application-correct unit.
• Always confirm whether the throttle body includes an integrated throttle position sensor or requires a separate sensor.
• Carbon buildup caused by poor servicing and extended oil change intervals can restrict airflow and confuse the ECU.
• After installation or cleaning, many vehicles require a throttle relearn or adaptation procedure to restore correct idle control.
• Inspect intake hoses and airbox seals for leaks that allow dust to contaminate the throttle body.
• Use quality air and oil filters and follow correct service intervals to reduce premature throttle body wear.
Poor servicing is one of the leading causes of throttle body and sensor failure. Learn how delayed maintenance causes hidden engine damage in our service-focused guide:
Most South African Drivers Are Servicing Too Late – Here’s the Hidden Engine Damage They Can’t See Yet
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Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
Reference: TC2071
Brand: Premium Economy
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