B3120 DTC For Mazda Rx 4

Mazda Rx 4 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :V-Type Engine
Engine Air Intake Process :Turbocharged Engine

Your Mazda Rx 4 engine control system detects a problem, the computer stores the diagnostic trouble code B3120 in its memory. To figure out what is wrong with your vehicle you must first extract the B3120 DTC For Mazda Rx 4.

On 1999 and later B3120 Mazda Rx 4 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.

B3120 Mazda Rx 4 DTC Meaning

B Body Code - Problem is antilock brake system, electronic suspension and steering systems.
3 SAE - Generic
1 Fuel And Air Metering
2 Cruise Control Servo Indicates Low
0 Transmission Engaged At High Throttle Angle

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. B3120 Mazda Rx 4 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.

B3119 DTC (Previous DTC Code) ( Next DTC Code ) B3121 DTC
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