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P0253 – MERCEDES-BENZ

Code : P0253
Make : MERCEDES-BENZ
Description : P0253 MERCEDES-BENZ Injection Pump Fuel Metering Control ‘A’ Low
Possible causes :

Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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