a) Absent or tampered fuel cap.
b) De-linked or faulty fuel tank pressure sensor.
c) De-linked, damaged, pinched, or blocked EVAP purge line.
d) De-linked or erroneous EVAP canister purge valve.
e) De-linked or incorrect EVAP vent solenoid.
f) Open ignition feed circuit to the EVAP vent or purge solenoid.
g) Tampered EVAP canister.
h) Leaking fuel sensor assembly O-ring.
i) Leaking fuel tank or fuel filler beck
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