Question about 2003 Chevrolet Silverado 1500
Jose way pretty much tells you how to check for power and how to check for pounds per in that go's to engine. but chev. does have a poor eletrical problem ,make sure you disconnect Battery befor dropping tank if it is a short at the pump you don't want it to spark. gl
Posted on Apr 28, 2015
Those models have a prime connector to fill gs line. it's located in motor compartment passenger side back relys. It´s a red cable with a black female insulated connector. jump it to + of the batt while anyone listen to hear the fuel pump activated.
If you do not here anything but a spark is noted when do the jump, the pump is damaged. if not spark is noted, probably a bad cable is the cause
Posted on Apr 20, 2015
Faulty fuel pump will need replacing, this vid is for 2002 but its just about the same, change fuel filter regularly 2-3 years as this can damage the pump. and lower the fuel pressure to the engine.
Posted on Apr 20, 2015
Unfourtnatly if the pump has never been replaced before its 13 years old .
These pumps last 10 years or so depending on how you drive it and how much fuel is in the tank low is not good they also have a high pressure 66 ft lbs and most of the fuel is returned to the tank its not needed WHY .
Another problem is the pump can't be axcessed with out droping the tank so you can test the circuit but can never be sure of the conection to the pump witch runs over the top of the tank and is an up grade now because it wasn't resistance wire and tended to over heat just what you need burning wires on the top of your fuel tank .Don't really know how chevy got away with this .
All I know is these fuel systems are so poorly disgined that the junk yards can't sell any parts for insureance reasons
Posted on Apr 19, 2015
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Posted on Jan 02, 2017
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