U266A DTC For Mazda Cronos

Mazda Cronos Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :W-Type Engine
Engine Air Intake Process :Naturally Aspirated

Your Mazda Cronos engine control system detects a problem, the computer stores the diagnostic trouble code U266A in its memory. To figure out what is wrong with your vehicle you must first extract the U266A DTC For Mazda Cronos.

Another consequence of U266A Mazda Cronos 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.

U266A Mazda Cronos DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
2 MFG - Manufacturer Specific
6 Vehicle Speed Control And Idle Control System
6 Vehicle Speed Output Circuit
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. U266A Mazda Cronos 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.

U2669 DTC (Previous DTC Code) ( Next DTC Code ) U266C DTC
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The listed Mazda models will give information about U266A DTC.