B3237 DTC For Mazda 121

Mazda 121 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Supercharged Engine

Your Mazda 121 engine control system detects a problem, the computer stores the diagnostic trouble code B3237 in its memory. To figure out what is wrong with your vehicle you must first extract the B3237 DTC For Mazda 121.

Another consequence of B3237 Mazda 121 engine overheating may be a blown head gasket. Heat makes aluminum swell almost three times faster than cast iron. Thermal stress can distort the head and make it swell in areas that are hottest like those between exhaust valves in adjoining cylinders, and areas that have restricted coolant flow like the narrow area that separates the cylinders. The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders.

B3237 Mazda 121 DTC Meaning

B Body Code - Problem is antilock brake system, electronic suspension and steering systems.
3 SAE - Generic
2 Computer And Auxiliary Outputs
3 Low Coolant Circuit
7 Cruise Control System - Vehicle Accel Too High

If your B3237 Mazda 121 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 B3237 and engine control unit are in charge of monitoring a bunch of different B3237 DTC For Mazda 121, and if they get a reading that's a little out of whack, up pops the check engine light.

B3236 DTC (Previous DTC Code) ( Next DTC Code ) B3238 DTC
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