![]() ![]() Even when you push down hard on the accelerator pedal, the car may not seem to respond quickly. When the fuel rail pressure sensor begins to fail, there’s going to be a loss of power. That’s why it’s important to pay attention to early symptoms and have the sensor replaced before you end up in a dangerous situation. At any time, though, it could fail to start, leaving you stranded wherever you are. Sometimes, the engine will crank a few times before finally starting. ![]() If the fuel rail sensor is bad, the correct amount of pressure may not reach the cylinders, leading to trouble starting the engine. To get the motor running, the ECU tells the fuel system to send a burst of gasoline to the cylinders. You must read the codes with your compatible scanner and run through our diagnostics listed below. For this reason, you can’t assume you know what’s wrong simply because you see the light. The Check Engine Light is responsible for coming on whenever there’s a fault in the vehicle. With a bad reading from the fuel pressure sensor, the codes try to alert you to the problem. The light comes on because the Electronic Control Unit (ECU) triggers a warning once the fuel-air ratio is unbalanced or because the reading pressure is too low. However, the indicator light can be the only way to determine that the fuel rail pressure sensor is bad. You may see this warning sign before there are any symptoms at all. The most obvious sign that something is wrong with your car is the Check Engine Light. Here are some details to watch out for so you know if you are dealing with a bad sensor. The vehicle could go into limp mode, stall, or start to go through an excessive amount of fuel. You may also have trouble starting the car or notice poor engine performance. ![]() When the fuel rail pressure sensor fails, you will see the Check Engine Light on the dashboard. Conclusion Symptoms Of A Bad Fuel Rail Pressure Sensor ![]()
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