Checking Throttle Body (TB)

Checking throttle body (TB)

Checking throttle body (TB)
- Slight jerks normally occur during engine braking.
- Check that the seal on the throttle body (TB) adjustment screw is not broken (see arrow).
- Check that the throttle spindle functions properly and is not sticking.





Is the seal broken and/or is there play in the throttle spindle?

Yes - Replacing component

No - No Fault Found

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Replacing component
Replace throttle body (TB).

Continue - FAULT FOUND

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