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Symptom: P1486-EVAP LEAK MONITOR PINCHED HOSE FOUND When Monitored and Set Condition: 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/ 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 POSSIBLE CAUSES EVAP CANISTER OBSTRUCTED LDP PRESSURE HOSE OBSTRUCTED LEAK DETECTION PUMP INTERMITTENT LDP MONITOR FAILURE OBSTRUCTION IN EVAP SYSTEM BETWEEN EVAP CANISTER AND FUEL TANK OBSTRUCTION IN HOSE/TUBE BETWEEN EVAP CANISTER AND PURGE SOLENOID TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTC’s. Is the DTC Good Trip Counter displayed and equal to zero for P1486? All Yes → No → 225 DRIVEABILITY - GAS |