Ford 2003 Mustang Workshop Manual page 2162

Pressurize the EVAP system to 3.48 kPa (14
inches H O).
2
Does the pressure drop immediately?
D12 TEST FOR BLOCKAGE IN EVAPORATIVE
EMISSIONS CANISTER
Disconnect the evaporative emissions canister
inlet elbow from the evaporative emissions
canister.
Pressurize the EVAP system to 3.48 kPa (14
inches H O).
2
Does the pressure drop immediately?
D13 TEST FOR BLOCKAGE IN CANISTER INLET
ELBOW
Disconnect the fuel vapor control valve tube
assembly from the evaporative emissions canister
inlet elbow.
Pressurize the EVAP system to 3.48 kPa (14
inches H O).
2
Does the pressure drop immediately?
this section. CARRY OUT a leak test.
REFER Evaporative Emission
System Leak Test in this section. If
the system passes the leak test,
CARRY OUT the evaporative
emission repair verification drive
cycle. REFER to Evaporative
Emission Repair Verification Drive
Cycle in this section.
No
GO to D12 .
Yes
INSTALL a new evaporative
emissions canister. REFER to
Evaporative Emission Canister
section. CARRY OUT a leak test.
REFER to Evaporative Emission
System Leak Test in this section. If
the system passes the leak test,
CARRY OUT the evaporative
emission repair verification drive
cycle. REFER to Evaporative
Emission Repair Verification Drive
Cycle in this section.
No
GO to D13 .
Yes
INSTALL a new evaporative
emissions canister inlet elbow.
CARRY OUT a leak test. REFER to
Evaporative Emission System Leak
Test in this section. If the system
passes the leak test, CARRY OUT
the evaporative emission repair
verification drive cycle. REFER to
Evaporative Emission Repair
Verification Drive Cycle
section.
No
INSTALL a new fuel vapor control
valve tube assembly. REFER to
Vapor Control Tube Assembly Valve
in this section. CARRY OUT a leak
test. REFER to Evaporative Emission
System Leak Test in this section. If
the system passes the leak test,
CARRY OUT the evaporative
emission repair verification drive
cycle. REFER to Evaporative
in this
in this
Fuel