P0490 DTC For Mercedes Benz Smart

Mercedes Benz Smart Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :W-Type Engine
Engine Air Intake Process :Naturally Aspirated

Your Mercedes Benz Smart engine control system detects a problem, the computer stores the diagnostic trouble code P0490 in its memory. To figure out what is wrong with your vehicle you must first extract the P0490 DTC For Mercedes Benz Smart.

Another consequence of P0490 Mercedes Benz Smart 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.

P0490 Mercedes Benz Smart DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
0 SAE - Generic
4 Fuel And Air Metering (Injector Circuit Malfunctions Only)
9 TP Sensor Learn Not Complete
0 Transmission Engaged At High Throttle Angle

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0490 Mercedes Benz Smart code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

P048F DTC (Previous DTC Code) ( Next DTC Code ) P0491 DTC
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