P0BB9 DTC For Alfa Romeo Graduate

Your Alfa Romeo Graduate engine control system detects a problem, the computer stores the diagnostic trouble code P0BB9 in its memory. To figure out what is wrong with your vehicle you must first extract the P0BB9 DTC For Alfa Romeo Graduate.

On 1999 and later P0BB9 Alfa Romeo Graduate 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.

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0BB9 Alfa Romeo Graduate 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.

P0BB8 DTC (Previous DTC Code)

( Next DTC Code ) P0BBA DTC

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