02 International DT466E- Hard to start

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Comments (4)

wolff956 in Riverside, Connecticut

37 months ago

Check your fuel pressure, it should have 60 PSI and it should also not drop below 20 PSI after being shut down.

The primary culprits of low fuel pressure are the pressure regulator valve on the back of the fuel rail, the check ball located above the screen type fuel filter (small canister behind fuel filter) and possible the fuel transfer pump)

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wolff956 in Riverside, Connecticut

37 months ago

FYI, you should also be monitoring the Hydraulic injection pressure during cranking
it will need at least 400 PSI to start the engine

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Confused in Normal, Illinois

37 months ago

Thanks for your reply! I wasn't aware of this pressure regulator valve on the back of the fuel rail? Is it easy to get at to check?

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Confused in Normal, Illinois

37 months ago

I'll check it this afternoon. Thanks so much!

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