How To Test Fuel Rail Pressure Sensor Ford Focus

How To Test Fuel Rail Pressure Sensor Ford Focus. Ford focus iii saloon 1.6 tdci. So most people test the system using only a scan tool.

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I have purchased a tuning box for my focus 2012 1.6tdci 115ps and i can seem to find the common rail pressure sensor plug anywhere. The frp sensor nominal output varies between 0.5 and 4.5 volts, with 0.5 volts corresponding to 0 mpa (0 psi) gauge and 4.5 volts corresponding to 26 mpa (3771 psi) gauge. Ford focus iii 1.6 tdci.

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The lines will smell like fuel, which is normal as most all the intake parts will smell of fuel to some degree. If the engine computer detects an issue with the fuel rail sensor signal or circuit, it will set off the check engine light to notify the driver of the issue.

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If the engine computer detects an issue with the fuel rail sensor signal or circuit, it will set off the check engine light to notify the driver of the issue. Test the reference voltage of the fuel rail pressure sensor, using a digital volt ohmmeter, while the car is running.

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Aim 0.5v actual = 0.03v. If a pump has been pushing fuel through a clogged filter for some time it can tend to loose pressure so check the pressure on the rail.

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If there is no fuel in the lines, reattach the vacuum line and continue with the ford focus fuel delivery diagnostic. Ensure the engine is stopped.

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Connect the diagnostic scanner and check the values coming from it. If this test is successful, test the ground wire.

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Just the sensor being gummed up. Twist off the fuel pressure test port cap and attach a fuel pressure test gauge to the fuel pressure valve.

So Most People Test The System Using Only A Scan Tool.

All i can find on the forums for the 1.6 is the old engine not the new one. Compare the values to the values you find in the repair manual. If there is no fuel in the lines, reattach the vacuum line and continue with the ford focus fuel delivery diagnostic.

Connect The Diagnostic Scanner And Check The Values Coming From It.

Just the sensor being gummed up. While testing will need to be performed to verify the failure, if any of these symptoms are present, a faulty fuel pressure regulator may be to blame. Using manufacturer's data, identify the output signal circuit for the fuel rail pressure sensor.

Start There Reset The Codes And Drive It For A Day If The Code Comes Back Move On To The Fuel Pump.

Ford focus iii turnier 1.6 tdci. If a pump has been pushing fuel through a clogged filter for some time it can tend to loose pressure so check the pressure on the rail. Twist off the fuel pressure test port cap and attach a fuel pressure test gauge to the fuel pressure valve.

When The Fpr Gets Stuck And Builds Up More Pressure Then It Should, It'll Cause The Injectors To Deliver Too Much Fuel, Causing A Rich Mixture (High Pressure) Condition.;

Test the reference voltage of the fuel rail pressure sensor, using a digital volt ohmmeter, while the car is running. The frp sensor measures the pressure difference between the fuel rail and atmospheric pressure. List price of fuel pressure sensor for ford focus.

Parts Recommended For Simultaneous Replacement As Part Of A Service Kit.

Ford focus iii 1.6 tdci. The lines will smell like fuel, which is normal as most all the intake parts will smell of fuel to some degree. If this test is successful, test the ground wire.