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Sometimes you might get a not-so-nice surprise and have your vehicle stall as you’re driving it.

But eventually, it may get to the point when it doesn’t start at all. If you try to start your vehicle’s engine and it doesn’t start on the first attempt, then your fuel pressure sensor may not sending a good signal to the engine’s computer.Īt first, the engine will eventually start after cranking a few times. This will cause a noticeable loss of power from your vehicle as you’re driving. If the sensor is bad, then it will interfere with the air and fuel ratio. If you step on the gas pedal and notice a lack of acceleration, then it could be due to the fuel pressure sensor. Of course, there are a large number of other reasons for why the check engine light would turn on besides having a bad fuel pressure sensor. Then it will activate the check engine light to let you know there is some kind of problem that is related to the engine. Sometimes the engine control unit will sense a problem with the signal from the fuel rail sensor. If you see the engine warning light illuminate on your dashboard, then it could be a sign that your fuel pressure sensor is bad. Below are the top 5 symptoms for you to watch out for in case the fuel pressure sensor of your vehicle goes bad. If there is something wrong with your fuel pressure sensor, then there are some easily recognizable symptoms that will become apparent to you. Common Bad Fuel Pressure Sensor Symptoms.