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Mercedes-benz Sprinter 2500 P1644 Engine Error Code

When you check Mercedes-benz Sprinter 2500 car engine light came on code P1644 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mercedes-benz manufacturer may have a different definition for the P1644 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1644 Mercedes-benz Sprinter 2500 Code Clear

Another consequence of P1644 Mercedes-benz Sprinter 2500 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.

P1644 Code Reason

Mercedes-benz Sprinter 2500 P1644 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1644 Fuel Pump Speed Control Circuit Malfunction so you have to check ODB-II Engine Error Code list.

Reason For Mercedes-benz Sprinter 2500 P1644 Code

The reason of Mercedes-benz Sprinter 2500 P1644 OBD-II Engine Error Code is P1644 Fuel Pump Speed Control Circuit Malfunction.

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1644 Mercedes-benz Sprinter 2500 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.

Mercedes-benz Sprinter 2500 P1644 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

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