P0400 Trouble Code

View P0400 obd/2 error code description and symptoms.

Fuel Rail Pressure Sensor in Range But Low The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. The test fails when the fuel pressure falls below a calibrated value. Low fuel pressure Damaged FRP sensor Excessive resistance in circuit Low or no fuel A FRP PID value below 551 kpa (80 psi) indicates a failure Low or no fuel A FRP PID value greater than 896 kpa (130 psi) indicates a failure.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 40-75

P0400 Error Code Repair Process :

If your p0400 exhaust gas recirculation flow malfunction check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P0400 and engine control unit are in charge of monitoring a bunch of different p0400 exhaust gas recirculation flow malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

P0400 is a kind of Powertrain Trouble Code Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P0400

A common cause of code P0400 is the failure of P0400 Exhaust Gas Recirculation Flow Malfunction, but there are several other possible causes as well, such as ;

• Erratic camshaft position due to low oil pressure
• Exhaust gas leaks
• Fuel pressure
• Internal electrical failures in actuator motors/solenoids.

P0400 code for all cars

You can view according P0400 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0400 Italdesign Asgard

+P0400 Talbot Rapier

+P0400 Cisitalia 202

+P0400 Benz 82

+P0400 Mini 1000

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