P1486

Test 1:

Tests 2 - 3:

Tests 4 - 6:

SYMPTOM
P1486-EVAP LEAK MONITOR PINCHED HOSE FOUND

WHEN MONITORED
Immediately after a cold start, with battery/ambient temperature between 4 °C (40 °F) and 32 °C (90 °F) and coolant temperature within -12 °C (10 °F) of battery/ambient.

SET CONDITION
LDP Switch does not reach at least 3 closures with 10 seconds. LDP must initial in normal conditions to mature failure.

POSSIBLE CAUSES
- Intermittent LDP monitor failure
- Obstruction in EVAP system between EVAP canister and fuel tank
- EVAP canister obstructed
- Obstruction in hose/tube between EVAP canister and purge solenoid
- LDP pressure hose obstructed
- Leak detection pump