B0043 Oldsmobile Achieva DTC Code

Oldsmobile Achieva Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Turbocharged Engine

Your Oldsmobile Achieva engine control system detects a problem, the computer stores the diagnostic trouble code B0043 in its memory. To figure out what is wrong with your vehicle you must first extract the B0043 DTC For Oldsmobile Achieva.

Another consequence of B0043 Oldsmobile Achieva 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.

B0043 Oldsmobile Achieva DTC Meaning

B	Body Code - Problem is antilock brake system, electronic suspension and steering systems.
0	SAE - Generic
0	Transmission
4	Control Module Throttle Actuator Position Performance
3	TFP Valve Position Switch-Drive Without Drive Ratio

If your vehicle failed a B0043 Oldsmobile Achieva test and the B0043 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses B0043 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look B0043 DTC For Oldsmobile Achieva: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.