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To Avoid Fuel Problems, Check the Pump Before Replacing the Injectors

Model: (Various brands) Various
Part: Fuel injectors

Video tutorial

Before replacing the injectors, always check the condition of the fuel pump, with the pump still mounted on the vehicle. If the pump is healthy, simply replace the injectors and the problem is solved.

If the pump contains aluminium shavings inside, then it is necessary to replace the pump as well, otherwise, after a few miles, they will block again. Moreover, you will need to thoroughly clean the entire fuel system.

This is because contamination moves from the pump to the injectors, damaging them even if they are new, within just a few miles: furthermore, it will also damage the pipes and the tank.


Posted on 17 May 2026 by ScegliAuto


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by ScegliAuto

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