Infiniti Q45 Power Steering Pressure Switch serves as a reliable backup for the low speed engine stall, signalling the ECU to raise idle when steering loads take effect. The Power Steering Pressure Switch was created for the debut sedan in 1989. It remains a refined model through 2006, fitting all Q45 generations. Enjoy smooth parking lot maneuvering and steady highway cruising. Inside the pressure line, the Power Steering Pressure Switch senses hydraulic rise the moment you crank the wheel, then closes its circuit so the computer adds revs, a quick reaction that preserves fuel economy while guarding the Infiniti V8 from bogging. Early Q45 models received a simple on/off setup. However, this strong compact housing would go on to power a variable assist package, mixing pressure with road speed for light steering at low speed and solid feedback on the highway. By featuring a sealed diaphragm, heat protected mount and short wiring, this component gives Infiniti drivers the reliability they can count on to avoid stalls or odd idle spikes that may threaten safety. Because the Infiniti Power Steering Pressure Switch communicates directly with the engine control module, the Power Steering Pressure Switch prevents steering with excess power and cuts emissions through the prevention of unburned fuel dumps due to sudden RPM drops. The owners of any 1990, 1995, 2000, or 2005 Q45 can bolt in the same OE spec piece with confidence because Infiniti engineered it to withstand consistent hydraulic force as well as thousands of parking maneuvers without losing calibration. With its compact size, plug-in connector and sharp pressure threshold, the Power Steering Pressure Switch clearly overpowers generic sensors. Benefits include hassle-free harness integration and no need to reprogram to regain factory steering feel. By combining the Infiniti legacy of precision with a Q45 specific calibration, the Power Steering Pressure Switch delivers outsized performance.
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