P1486

Test 1:

Test 2 - 3:

Test 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
- Evap canister obstructed
- Pressurizing EVAP emission system
- Obstruction in hose/tube between EVAP canister and purge solenoid
- LDP pressure hose obstructed
- Leak detection pump