Friday, April 30, 2021

GL550 Fuel Pump Issue

Hey, I have a 2010 GL550 and it seems to have an issue with the fuel pump or fuel pump circuitry. The vehicle will turn over and try to crank but it never cranks. My code reader gives the following code: P0628 Fuel Pump "A" Control Circuit low. I checked the fuel pressure on the fuel rail of the engine but there was no pressure. I checked fuses 43 and 53 in the rear fuse box and they are good. I also checked the relay in the back fuse box and it was good. I checked the ground continuity on... GL550 Fuel Pump Issue
Hey, I have a 2010 GL550 and it seems to have an issue with the fuel pump or fuel pump circuitry. The vehicle will turn over and try to crank but it never cranks. My code reader gives the following code: P0628 Fuel Pump "A" Control Circuit low. I checked the fuel pressure on the fuel rail of the engine but there was no pressure. I checked fuses 43 and 53 in the rear fuse box and they are good. I also checked the relay in the back fuse box and it was good. I checked the ground continuity on...

GL550 Fuel Pump Issue

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