P157A DTC For Fiat Regata

Fiat Regata Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :W-Type Engine
Engine Air Intake Process :Supercharged Engine

Your Fiat Regata engine control system detects a problem, the computer stores the diagnostic trouble code P157A in its memory. To figure out what is wrong with your vehicle you must first extract the P157A DTC For Fiat Regata.

On 1999 and later P157A Fiat Regata engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

P157A Fiat Regata DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
1 MFG - Manufacturer Specific
5 Auxiliary Emission Controls
7 Exhaust Gas Recirculation System Valve 1
A TFP Valve Position Switch-Drive Without Drive Ratio

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P157A Fiat Regata code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

P1579 DTC (Previous DTC Code) ( Next DTC Code ) P157B DTC
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