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Home >> Suzuki >> 2002 >> XL-7 Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine Controls - Self-Diagnostics - 1.8L) >> Diagnostic Tests >> DTC P0496: EVAP System - Flow During Non-Purge >> Diagnosis & Repair Procedure
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Diagnosis & Repair Procedure

WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
  1. If engine system check has been performed, go to next step. If engine system check has not been performed, go to A4: ENGINE SYSTEM CHECK  under SYSTEM TESTS.
  2. Turn ignition off. Check EVAP-CPV operation. See EVAP CANISTER PURGE VALVE under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, replace EVAP-CPV. After repair, repeat DTC CONFIRMATION TEST  . If no problem is found, go to next step.
  3. Check Fuel Tank Pressure (FTP) sensor. See FUEL TANK PRESSURE SENSOR under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, replace FTP sensor. After repair, repeat DTC CONFIRMATION TEST  . If no problem is found, go to next step.
  4. Check FTP control valve operation or for clog. See FUEL TANK PRESSURE CONTROL VALVE under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, replace FTP control valve. If no problem is found, problem is probably intermittent. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. If intermittent problem is not found, substitute a known good ECM and repeat DTC CONFIRMATION TEST  . If DTC does not reset, testing is complete.
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