Bosch 0986435502 Stock Replacement Fuel Injector 01-04 GM 6.6L Duramax LB7 BAN-48996-B 7L Cummins or you've installed

7L Cummins or you've installed the whole gambit of exhaust

8C3Z9A543B

This oil filter uses a synthetic media for maximum filtration and minimal flow restriction

or serious horsepower

All of the Common Rail Cummins and Duramaxs feature a relief in the fuel rail which is designed to relieve pressure once it sees roughly 25

Bosch 0986435502 Stock Replacement Fuel Injector 01-04 GM 6.6L Duramax LB7 BAN-48996-B 7L Cummins or you've installedWhite smoke? Hard Start? Missing or ticking noises? No start at all? It could be that you have 1 or more bad injectors. Injector failure on the LB7 Duramax powered trucks is usually caused by either bad fuel or the use of power adders that increase rail pressure. Bad fuel can cause injector failure immediately, pressure boxes will cause failure over time. The best insurance against bad fuel contamination is to run a 2 or 3 micron aftermarket fuel