Introduction
Diesel fuel tends to be a bit "dirty" compared to gasoline. Keep your fuel system running in tip top shape by occasionally running some diesel purge through it.
The ideal time to do this is just before you plan to change both of your fuel filters as they should always be replaced after a purge.
What you need
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To begin, loosen the clamp on the rubber fuel hose that connects to the supply hard line. The supply line is the lower of the two, where the hose goes to the clear plastic pre-filter.
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Now, start the engine!
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Let the car run. It will take in the purge, burn some of it, and return some of it to the tank. As it flows through the system it will clean the system. You may see that the purge comes out darker than it goes in.
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As it flows through, any carbon removed from the system will get trapped in the filters.
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After running a purge, it's the perfect time to replace your fuel filters. There are two guides to help with this.
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When done, re-attach the fuel supply and return lines to the appropriate hard lines.
When done, re-attach the fuel supply and return lines to the appropriate hard lines.
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