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Ford F150 Pickup. Instruction - part 1364

Remove EVAP canister tube from EVAP canister. Attempt to pressurize system to 14 in. H2O (3.48
kPa). If system pressurizes, go to next step. If system does not pressurize, replace EVAP canister.
Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK
TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL &
GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is
performed.

6. Testing Fuel Vapor Control Valve Tube Assembly For Blockage

Disconnect EVAP canister tube at fuel vapor control valve tube assembly. Attempt to pressurize system
to 14 in. H2O (3.48 kPa). If system pressurizes, replace fuel vapor control valve tube assembly. Perform
evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST .
If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL &
GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is
performed. If system does not pressurize, replace EVAP canister tube. Perform evaporative emissions
system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes,
perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.

Mustang

1. Testing fuel Filler Pipe & Check Valve - Remove fuel filler cap. Connect Evaporative Emissions

System Leak Tester (134-00056) to fuel filler pipe. Turn ignition on. Using scan tool, close canister vent
solenoid. Select OUTPUT TEST MODE, FTP and FTP V PID. Select ALL OFF mode. Press START
button on scan tool to close canister vent solenoid. Access PCM PID FTP V. Pressurize system to 14 in.
H2O (3.48 kPa). If PCM PID FTP V is 4.22-4.90 volts, go to next step. If PCM PID FTP V is not as
specified, go to step 10 .

2. Testing EVAP System For Restriction

Attempt to pressurize system to 14 in. H2O (3.48 kPa). If system pressurizes, go to next step. If system
does not pressurize, perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS
SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS -
CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR
"BYPASS" CHECK is performed.

3. Testing Fresh Air Vent Hose For Blockage

Disconnect fresh air vent hose from fuel filler pipe inside trunk. Pressurize system to 14 in. H2O (3.48
kPa). If pressure drops immediately, replace fresh air vent hose. Perform evaporative emissions system
leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform
DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure
PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If pressure does not
drop immediately, go to next step.

4. Testing Fresh Air Vent Hose At Fuel Filler Pipe For Blockage

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE System & Component Testing - Gasoline

Disconnect fresh air vent hose at fuel filler pipe. Pressurize system to 14 in. H2O (3.48 kPa). If pressure
drops immediately, replace fuel filler pipe. Perform evaporative emissions system leak test. See
EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES
in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE
CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If pressure does not drop immediately,
go to next step.

5. Testing Tank Vapor Valve Assembly Fresh Air Tube For Blockage

Disconnect tank vapor valve assembly fresh air tube from canister vent solenoid vent hose. Pressurize
system to 14 in. H2O (3.48 kPa). If pressure drops immediately, replace tank vapor valve assembly fresh
air tube. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM
LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-
FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS"
CHECK is performed. If pressure does not drop immediately, go to next step.

6. Testing Canister Vent Solenoid Hose For Blockage

Disconnect canister vent solenoid hose at canister vent solenoid. Pressurize system to 14 in. H2O (3.48
kPa). If pressure drops immediately, replace canister vent solenoid hose. Perform evaporative emissions
system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes,
perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If pressure
does not drop immediately, go to next step.

7. Testing EVAP Canister Vent Solenoid For Blockage

Disconnect canister vent solenoid from EVAP canister. Pressurize system to 14 in. H2O (3.48 kPa). If
pressure drops immediately, replace canister vent solenoid. Perform evaporative emissions system leak
test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE
CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING
CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If pressure does not drop
immediately, go to next step.

8. Testing EVAP Canister For Blockage

Disconnect EVAP canister inlet elbow from EVAP canister. Pressurize system to 14 in. H2O (3.48 kPa).
If pressure drops immediately, replace EVAP canister. Perform evaporative emissions system leak test.
See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE
CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING
CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If pressure does not drop
immediately, go to next step.

9. Testing EVAP Canister Inlet Elbow For Blockage

Disconnect fuel vapor control valve tube from EVAP canister inlet elbow. Pressurize system to 14 in.

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE System & Component Testing - Gasoline

H2O (3.48 kPa). If pressure drops immediately, replace EVAP canister inlet elbow. Perform evaporative
emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system
passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE
article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If
pressure does not drop immediately, go to next step.

10. Check For Pinched Fuel Vapor Control Valve Tube

Lower fuel tank about 3/4" (19 mm). If not already done, close canister vent solenoid. Select OUTPUT
TEST MODE, FTP and FTP V PID. Select ALL OFF mode. Press START button on scan tool to close
canister vent solenoid. Access PCM PID FTP V. Pressurize system to 14 in. H2O (3.48 kPa). If PCM PID
FTP V is 4.22-4.90 volts, replace fuel vapor control valve tube assembly. Perform evaporative emissions
system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes,
perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If PCM PID
FTP V is not as specified, go to next step.

11. Testing For Fuel Filler Tube Assembly Blockage

Disconnect tank vapor recirculation tube from fuel filler pipe and plug both ends. Pressurize system to 14
in. H2O (3.48 kPa). Remove plug from tank vapor recirculation tube. If pressure drops immediately,
replace fuel vapor control valve tube assembly. Perform evaporative emissions system leak test. See
EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES
in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE
CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If pressure does not drop immediately,
replace fuel filler pipe. Perform evaporative emissions system leak test. See EVAPORATIVE
EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-
DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK &
EVAP MONITOR "BYPASS" CHECK is performed.

WIRING DIAGRAMS

CARS

On Crown Victoria, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Focus, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Grand Marquis, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On LS, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Marauder, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Mustang, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Sable, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Taurus, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Thunderbird, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Town Car, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE System & Component Testing - Gasoline

On ZX2, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

TRUCKS

On Aviator, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Cab and Chassis F350 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING
DIAGRAMS article.

On Cutaway E350 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS
article.

On Econoline E150, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Econoline E250, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Econoline E350 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS
article.

On Escape, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Expedition, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Explorer, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Explorer Sport, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Explorer Sport Trac, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Excursion, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On E450 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On E550 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On F450 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On F550 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Mountaineer, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Navigator, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Pickup F150, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On Pickup F250 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS
article.

On Pickup F350 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS
article.

On Ranger, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

On RV Cutaway E350 Super Duty, see ENGINE PERFORMANCE in SYSTEM WIRING
DIAGRAMS article.

On Windstar, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE System & Component Testing - Gasoline

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