P1486
Test 1 - 2:
Test 3 - 4:
SYMPTOM
P1486-EVAP LEAK MONITOR PINCHED HOSE FOUND
WHEN MONITORED
Immediately after a cold start, with battery/ambient temperature between 40 deg. F and 90 deg. F and coolant temperature within 10 deg. F of battery/ambient.
SET CONDITION
LDP test must pass first. If the PCM suspects a pinched hose it will not set a fault until it runs the evap purge flow monitor. If the purge monitor does not pass then the pinched hose fault will be set.
POSSIBLE CAUSES
- Good trip equal to zero
- EVAP Canister obstructed
- Obstruction in hose/Tube between EVAP canister and purge solenoid
- LDP Pressure hose obstructed
- Leak detection pump