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Hesitation

Jeffrey Moore

Member
Joined
May 10, 2019
Messages
11
Reaction score
1
Location
Milton, Florida
City, State
Milton
Year, Model & Trim Level
2004 sport trac XLS
so, if my truck is missing a part of the gas ventilation system, more specifically, the hose what runs from the fuel pump/fuel tank to the carbon filled (gas ventilation) canister located over my spare tire. Would that cause my truck to hesitate and stutter whenever I am accelerating. I have -0.00 psi in my fuel tank while engine is running
 






Missing hose would cause a vac leak under whatever scenario the system has the valve for it open, so yes that seems possible to me. If you hook up a scan tool capable of showing live data, you could look at the long term fuel trim.

Then again why not just buy a length of hose and put it on? Most local auto parts stores probably have something suitable behind the counter that they sell by the foot. I don't know the inner or outer diameter.
 






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