Does an underhood fuel pressure gauge help you?
#1
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Does an underhood fuel pressure gauge help you?
Well i have an extra banjo bolt for the fuel line so i drilled and tapped it for 1/8" NPT and i have fuel pressure gauge for like 15 psi just laying around. Would this be worth throwing it in? I dont have a place for a gauge in the cab so it probably would never make it's way in there. If it wont help me at all and is just another place for fuel to potentially leak from i wont do it.
#6
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Under the hood is way better than no gauge at all.
Best is to have TWO, one each side of the filter.
A good combination is to have a POST-FILTER gauge in the cab and a PRE-FILTER one under the hood; thus, one can monitor fuel-pressure inside the cab; and, should post-filter pressure drop, a quick look at the pre-filter gauge will show for certain whether the filter is the problem.
Best is to have TWO, one each side of the filter.
A good combination is to have a POST-FILTER gauge in the cab and a PRE-FILTER one under the hood; thus, one can monitor fuel-pressure inside the cab; and, should post-filter pressure drop, a quick look at the pre-filter gauge will show for certain whether the filter is the problem.
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