1987-Montero · Fuel System Carb a · страница 16 из 86 · Открыть оригинал PDF ↗
The lower the temperature when the engine is started, the tighten
the bimetal closes the choke valve, thus improving startability at
cold weather.
As the engine is heated by the heater after start up, the bimetal
opens the choke valve gradually by thermal expansion and pushes
down the stopper lever.
NOTE
PTC stands for Positive Temperature Coefficient and the PTC
heater means a heater with positive temperature coefficient.
Namely, as the heater generates heat, its resistance increases and
hence limits the current to control heat generation.
Chole Valve and Fast Idle Cam Operation
1. Before starting the engine, the throttle valve is in the normal
idle opening state.
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