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The white area on the left side of the scale shows manifold vacuum under normal driving conditions, the short white dash is atmospheric pressure (engine off), the orange scale is where there is safe turbo boost, the red scale is boost above 0.5 - 0.7 bar where the wastegate may be opened or a fuel cut due to overboost may occur.
A 3-port solenoid-type boost controller A 4-port solenoid-type boost controller (used for a dual-port wastegate). The purpose of a boost controller is to reduce the boost pressure seen by the wastegate's reference port, in order to trick the wastegate into allowing higher boost pressures than it was designed for.
A turbo timer in a Toyota Celica GT-Four. A turbo timer is a device designed to keep an automotive engine running for a pre-specified period in order to automatically execute the cool-down period required to prevent premature turbo wear and failure. Most turbo timers are based on digital electronics.
This allows a boost control strategy that reduces exhaust backpressure caused by the turbocharger by opening the wastegate when turbo boost is not needed, resulting in improved fuel economy. The wastegate is also held open during cold starting to lower emissions by speeding up initial catalyst light-off.
The power seat adjustments in a Lincoln Town Car. The seat controls are located on the door panels, next to the memory seat controls. Above the seat settings are the memory control settings that also set the mirrors and foot pedals. Some car seat systems are set up with a battery-powered automatic control to adjust how the seat sits in the car.
The large hand-levers set the rear-wheel parking brake and put the transmission in neutral (left) and control an after-market 2-speed transmission adapter (right). Car controls are the components in automobiles and other powered road vehicles, such as trucks and buses, used for driving and parking.
Launch control is also highly useful in turbocharged engines. Due to the nature of how a turbocharger works, you cannot ensure that you have 100 percent of the engine's torque at a moment's notice. With a launch control system, you can ensure that the turbocharger receives enough exhaust pressure to maintain boost pressure.
The anti-lag system (ALS) is a method of reducing turbo lag or effective compression used on turbocharged engines to minimize turbo lag on racing or performance cars. It works by retarding the ignition timing and adding extra fuel (and sometimes air) to balance an inherent loss in combustion efficiency with increased pressure at the charging side of the turbo.