Inertia safety switch (page 2 of 2)
- Make
- Fiat
- Model
- Punto (176) Factory Service Manual
- Year
- 1993–1999
- Section
- Fuel system (1372 T)
- Injectors
- Inlet manifold
- Electric fan
- Thermal switch
The device cools the injectors when they reach dangerous temperatures due to the formation of vapour-lock inside and operating efficiency is therefore affected.
The device consists of fan (3), which sends cool air to intake manifold (2), which contains ducts that carry ventilation directly to the injector case.
The fan is activated by thermal switch (4) when the temperature in the area around the injectors exceeds ~ 110°C and disconnected when temperature drops to ~ 95°C.
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