U3986 DTC For Fiat Grand Break
Fiat Grand Break Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Fiat Grand Break engine control system detects a problem, the computer stores the diagnostic trouble
code U3986 in its memory.
To figure out what is wrong with your vehicle you must first extract the U3986 DTC For Fiat Grand Break.
Another consequence of U3986 Fiat Grand Break 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.
U3986 Fiat Grand Break DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 3 |
SAE - Generic |
| 9 |
Transmission |
| 8 |
Crankshaft Position Sensor Circuit Performance |
| 6 |
Transmission Control Module Reprogrammable Memory |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U3986 Fiat Grand Break code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.
You can also check other Fiat car models :
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The listed Fiat models will give information about U3986 DTC.
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