How To Fix P2542 Code - Low Pressure Fuel System Sensor Circuit High Repair
Автор: Car Cure
Загружено: 2026-02-03
Просмотров: 12
Описание:
In this video, I am going to walk you through how to fix P2542 code, which indicates a Low Pressure Fuel System Sensor Circuit High issue. If your car is taking longer than normal to crank, hesitating when you hit the gas, or just burning way more fuel than usual, this OBD-II code is likely the culprit. This problem is especially common in certain Ford, Audi, and VW models, but it can happen to any vehicle with a fuel pressure sensor mounted on the fuel rail. I will explain why your Powertrain Control Module triggers this code when voltage signals get too high for too long. We will go under the hood to locate the FPS sensor near the intake manifold and inspect the wiring for any signs of melting, rubbing, or corrosion on the terminals. You will learn how to use a digital voltmeter to test the power and ground circuits to see if you are getting the correct 5 or 12 volts, helping you decide if you need a new sensor or if you are dealing with a wiring headache.
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