Dodge Cummins Diesel Forum - View Single Post - Fuel Filter Replacement - How Often?
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post #6 of (permalink) Old 08-26-2019, 08:00 AM
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Originally Posted by jon-d View Post
I installed a fuel pressure gauge after the fuel filter as an indicator to when I need to change it out, but I don't know how fast the filter will plug or if there are other issues that could come up by not changing every x miles.
The fuel pressure gauge is the crystal ball.
You are not blind folded anymore.
Notice the gauge reading, from idle to WOT, during the daily operation, with a new filter.
Consider filter change when there is a drop in 2 psi.

'05 2500 QC SLT SB 4X4 48RE Smarty Jr 205k miles
Baldwin FB1311 + Donaldson P551313 (3 Micron) + Baldwin PF7977
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