A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Throttle Body Opel Astra G Zafira A Meriva A Delphi 25177983 9192122 817158
Vendors's code: 9192122
Product code: 25177983
Barcode:
Code 39:
ISBN:
€81.30
Price
€81.30
€100.00
Price
€100.00
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Throttle Body Opel Astra G Zafira A Meriva A Delphi 25177983 9192122 817158
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How can you check whether the 25177983 throttle body fits your car?
This is a used, working Delphi throttle body with part numbers 25177983, 9192122 and 817158, for: Opel Astra G, Zafira A, Meriva A, Vectra B, Corsa C, Combo C (engines: 1.6 Z16XE / 1.4). To confirm the fit, compare the number with the label on the throttle body in your car.
Throttle Body Delphi 25177983 9192122 – Opel Astra G, Zafira A, Meriva A, Vectra B
The job of the 25177983 throttle body is to meter the air entering a petrol engine. When the throttle is electronically controlled, the opening angle is set by the engine control unit from the accelerator pedal position. According to the product data, it fits: Opel Astra G, Zafira A, Meriva A, Vectra B, Corsa C, Combo C; engines: 1.6 Z16XE / 1.4.
Choosing by part number
- 25177983 – also printed as 25 177 983
- 9192122
- 817158 – also printed as 8 17 158
The label on the throttle body fitted to your car should show the number 25177983, 9192122 or 817158. Knowing only the model (Opel Astra G, Zafira A, Meriva A, Vectra B, Corsa C, Combo C) is not enough to choose the part: different throttle body versions were used in the same cars.
Symptoms of a worn or faulty throttle body
Typical symptoms of throttle body problems in Opel cars:
- worn track in the throttle position sensor – fluctuating revs, jerking on light throttle,
- carbon deposits on the throttle plate – rough idle, engine stalling when coming to a stop,
- in electronic throttle bodies: failed motor or gear drive – limp mode, reduced power, engine warning light.
If cleaning does not help and diagnostics point to a throttle body or position sensor fault, replacement with a part carrying the same number is usually required. After fitting, many cars need an adaptation according to the vehicle manufacturer's procedure.
Questions and answers
| How do I check that the 25177983 throttle body fits my car? |
|---|
| Compare the number 25177983, 9192122 or 817158 with the label of the throttle body fitted to your car (Opel Astra G, Zafira A, Meriva A, Vectra B, Corsa C, Combo C). |
| Which engines does the 25177983 throttle body fit? |
| According to the product data, it fits 1.6 Z16XE / 1.4 engines in: Opel Astra G, Zafira A, Meriva A, Vectra B, Corsa C, Combo C. |
| 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. |
Unsure about compatibility? Send us the number from your throttle body label and we will check whether this part fits.
