B3878 Buick Reatta DTC Code

Buick Reatta Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposed Cylinder Engine
Engine Air Intake Process :	Naturally Aspirated

Your Buick Reatta engine control system detects a problem, the computer stores the diagnostic trouble code B3878 in its memory. To figure out what is wrong with your vehicle you must first extract the B3878 DTC For Buick Reatta.

Another consequence of B3878 Buick Reatta 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.

B3878 Buick Reatta DTC Meaning

B	Body Code - Problem is antilock brake system, electronic suspension and steering systems.
3	SAE - Generic
8	Accelerator Pedal Position (APP) Sensor 1 Performance
7	Exhaust Gas Recirculation System Valve 1
8	Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

When you turn on the ignition, the Service Engine Soon or Check Engine B3878 Buick Reatta light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If B3878 DTC For Buick Reatta so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the B3878!