P127E Buick Regal DTC Code

Buick Regal Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	W-Type Engine
Engine Air Intake Process :	Supercharged Engine

Your Buick Regal engine control system detects a problem, the computer stores the diagnostic trouble code P127E in its memory. To figure out what is wrong with your vehicle you must first extract the P127E DTC For Buick Regal.

Another consequence of P127E Buick Regal 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.

P127E Buick Regal DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
1	MFG - Manufacturer Specific
2	Computer And Auxiliary Outputs
7	Exhaust Gas Recirculation System Valve 1
E	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. P127E Buick Regal 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.