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− − − − − − − 04 01 S0X4AZ0K77100091457FAAT00 Vacuum Hoses and Connections Test YES NO YES NO Special Tools Required EVAP Purge Control Solenoid Valve Test DTC P1457 ’99-00 Models: 11-282 11-282 EVAP System DTC Troubleshooting (cont’d) D G F B C A E I H J A973X- A 30. Do the fuel tank vapor control valve test (see page 11-298). Go to step 31. Replace the fuel tank vapor control valve. 31. Tighten the fuel cap 3 ‘‘clicks’’, then monitor the fuel tank pressure readings with the HDS. 32. Start the engine. Let the engine idle for 5 minutes. 33. Check the FTP sensor readings. Substitute a known-good PCM and retest (see page 11-5). If the symptom/indication goes Check these parts for leaks: • Fuel tank (A) – Repair or replace any leaking parts. The fuel system is designed to allow specified Vacuum pump/gauge, 0 30 in.Hg A973X-041-XXXXX NOTE: If DTC P0461 is stored at the same time as This is a two trip code; once cleared, it cannot be Follow these troubleshooting procedures carefully to NOTE: Fresh fuel has a high volatility that creates 1. Disconnect the vacuum hose from the EVAP purge control solenoid valve (A), and connect a vacuum EVAP Control System Leakage (EVAP canister system) Is the f uel tank vapor contr ol valve OK ? Is the r eading above 0.5 kPa ( 0.16 in.Hg, 4 mmHg) 0.5 kPa ( 0.16 in.Hg, 4 mmHg) vacuum? 03/07/29 09:26:15 61S0X050_110_0282 |