B3121 De Tomaso Vallelunga DTC Code

De Tomaso Vallelunga Engine Specifications:

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

Your De Tomaso Vallelunga engine control system detects a problem, the computer stores the diagnostic trouble code B3121 in its memory. To figure out what is wrong with your vehicle you must first extract the B3121 DTC For De Tomaso Vallelunga.

Another consequence of B3121 De Tomaso Vallelunga 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.

B3121 De Tomaso Vallelunga DTC Meaning

B	Body Code - Problem is antilock brake system, electronic suspension and steering systems.
3	SAE - Generic
1	Fuel And Air Metering
2	Cruise Control Servo Indicates Low
1	PCM Stack Overrun

If your vehicle failed a B3121 De Tomaso Vallelunga test and the B3121 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 B3121 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 B3121 DTC For De Tomaso Vallelunga: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.