The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
Throttle Body Smart Fortwo Mikuni 400026Z183906
Vendors's code: MIKUNI400026Z183906
Product code: 400026Z183906
Barcode:
Code 39:
ISBN:
€142.28
Price
€142.28
€175.00
Price
€175.00
Ask about the product
Throttle Body Smart Fortwo Mikuni 400026Z183906
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€30.00
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shipping
(Poland)
from
€30.00
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shipping
(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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Throttle body 400026Z183906 Mikuni – is it the right part for your car?
This is a used, working Mikuni throttle body with part number 400026Z183906, for: Smart Fortwo. To confirm the fit, compare the number with the label on the throttle body in your car.
Throttle Body Mikuni 400026Z183906 – Smart Fortwo
The Mikuni 400026Z183906 throttle body controls the air flow in the engine intake system. In the electronic design, the opening is managed by the engine control unit. According to the product data, it fits: Smart Fortwo.
Part numbers to compare
- 400026Z183906 – also printed as 40002 6Z18 3906
The same number – 400026Z183906 – should appear on the label of the throttle body in your car. The model name alone (Smart Fortwo) is not enough – throttle bodies with other numbers were also fitted to these cars.
Symptoms of a worn or faulty throttle body
Typical symptoms of throttle body problems in Smart cars:
- carbon deposits – rough idle, engine stalling,
- worn throttle position sensor – jerking, fluctuating revs, fault code stored in the engine control unit,
- in electronic throttle bodies: failed motor or gear drive – limp mode, loss of power, engine warning light.
When measurements or fault codes confirm the problem and cleaning has no effect, the throttle body is replaced with one carrying the same number. After replacement, many cars need an adaptation in the engine control unit.
Questions and answers
| How do I check that the 400026Z183906 throttle body fits my car? |
|---|
| Compare the number 400026Z183906 with the label of the throttle body fitted to your car (Smart Fortwo). |
| Does the throttle body need to be adapted (relearned) after replacement? |
| In many cars, yes: after fitting, the engine control unit learns the end positions of the throttle. This is done with a diagnostic tool or by following the procedure described by the car manufacturer. |
| What condition is this throttle body in? |
| It is a used part in good working condition. The warranty period is shown in the product specification table. |
Need help choosing a part for your Smart? Send us the number from your throttle body's label and we will confirm whether this part will fit.
