C0053 Fiat Premio is described as Fuel Rail Pressure Sensor Circuit Malfunction. This code is strictly about the incoming signal from the FRP (fuel rail pressure) sensor falling below the calibrated limit for a certain period of time. The spark should have a light tan color. If the sensor probe comes with white and chalky parts, this means it has been lagging between switching phases, and should be replaced.
Possible Causes :
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Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. Now, clear the codes and test-drive the vehicle to see if the code is reset.
Diagnostic trouble code C0053 Fiat Premio is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.
Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before C0053 Fiat Premio.
Fortunately, C0053 Fiat Premio is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.