C1321 DTC For Toyota Coaster

Toyota Coaster Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposed Cylinder Engine
Engine Air Intake Process :Supercharged Engine

Your Toyota Coaster engine control system detects a problem, the computer stores the diagnostic trouble code C1321 in its memory. To figure out what is wrong with your vehicle you must first extract the C1321 DTC For Toyota Coaster.

Another consequence of C1321 Toyota Coaster 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.

C1321 Toyota Coaster DTC Meaning

C Chassis Code - Problem is controller area network wiring bus and modules.
1 MFG - Manufacturer Specific
3 IC Module 4X Ref Circuit Intermittent, No Pulses
2 Cruise Control Servo Indicates Low
1 PCM Stack Overrun

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the C1321 Toyota Coaster code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

C1320 DTC (Previous DTC Code) ( Next DTC Code ) C1322 DTC
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