1998 Ford Taurus Support Question
1998 Ford Taurus Support Question
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Question posted by Anonymous-137338 on May 30th, 2014
Didn't Past Emission Test Code P4055
What does code p4055 mean
Current Answers
Answer #1: Posted by adman79 on May 30th, 2014 9:52 AM
adman79
Member since:
April 1st, 2014 Points: 52,030
Member since:
April 1st, 2014 Points: 52,030
This code refers to a "gross leak in the evaporative emission control system." This system connects to vapor hoses from the fuel tank, which are stored in a vapor storage canister under the hood. There is a purge valve on the vapor storage canister; which draws the vapor into the intake manifold when the motor is running. If any hoses are damaged or disconnected from the vapor storage canister, or from the fuel tank; that will cause this code to set. A gas tank filler cap that has a damaged seal or is not adequately tightened will also set the code. So can removing the gas tank filler cap while the motor is running. Things to look at/try first:
1. Fuel cap - just because it's tight doesn't mean much, there's a seal on there that can break down over time, this is an easy fix but be sure to replace it with an OEM part (the new fuel caps have an improved seal design)
2. Check all evap lines for cracks & leaks
3. Leak Detection Pump
4. Fuel pump seal - ring can come loose
5. Vacuum line at the purge valve
Related Manual Pages
Customer Assistance Guide 1st Printing - Page 8
To Request a DSB Brochure/Application For a brochure/application, speak to your emission control system and may also result in Central or South America, the Caribbean, or the Middle East, contact the nearest Ford dealership. These officials can ...
Owner Guide 1st Printing - Page 7
... after the engine is turned to the ON position to remind you to fasten your vehicle continues to meet government emission standards. This OBD II system protects the environment by ensuring that monitors the engine's emission control system. Instrumentation
Safety belt Momentarily illuminates when the ignition is started, one of the engine...
Owner Guide 1st Printing - Page 50
... the keyless entry system. Controls and features
KEYLESS ENTRY SYSTEM With the keyless entry 1 2 3 4 5 6 7 8 9 0 keypad, you can easily figure out these types of codes.
50 Do not set code (keypad will illuminate when pressed). 2. Press the 1/2 control 1 2 3 4 5 6 7 8 9 0 within five seconds of the previous one. You can also program your own 5-digit personal...
Owner Guide 1st Printing - Page 51
...unlocked before any other. If you . Enter the factory-set code. The system will erase the first personal code in favor of the new code.
To unlock the driver's door, enter one of step two..., the module will now only respond to the factory-set code. 2. Controls and features
Your personal code does not replace the permanent code that the dealership gave you wish to erase your vehicle. ...
Owner Guide 1st Printing - Page 52
...liftgate window are fully closed . 1. To unlock the trunk or liftgate (wagon), enter the five-digit factory-set code, then press the 5/6 control within five seconds.
1 2 3 4 5 6 7 8 9 0
Autolock Autolock...ignition is released
Deactivating autolock Before following procedure:
52 Enter the 5 digit entry code. 2. Autolock can also be activated or deactivated using the following the activation ...
Owner Guide 1st Printing - Page 53
... seconds or the procedure will have to be started with the two special SecuriLock electronically coded keys provided with your vehicle, the SecuriLock key is read by either a long honk...been changed, the horn will chirp to RUN/ACC. If the SecuriLock key identification code matches the code stored in the system or if a SecuriLock key is not detected (vehicle theft ...
Owner Guide 1st Printing - Page 85
... on starting .
Only use the accelerator when you start your vehicle in dry grass or other dry ground cover. Do not start the engine. The emission system heats up the engine compartment and exhaust system, which can be toxic.
This system meets all Canadian Interference-Causing Equipment standard requirements regulating the...
Owner Guide 1st Printing - Page 112
..., GEM 13 5A Air Bag, Blower Motor, EATC 14 5A Air Suspension 15 10A Multi-Function Switch (Turn Signal) 16 - Roadside emergencies
The fuses are coded as follows. Not Used 17 30A Front Wiper/Washer 18 5A Headlamp Switch 19 15A Rear Wiper/Washer 20 5A ICP, RAP, Phone 21 20A...
Owner Guide 1st Printing - Page 114
... 25 32 29 31
11
13
7
9 Roadside emergencies
Always disconnect the battery before reconnecting the battery or refilling fluid reservoirs.
The high-current fuses are coded as follows. Windows 41 30A Accessory Delay Relay, Power C.B.
Always replace the cover to the Power Distribution Box before servicing high current fuses. Fuse/ Fuse...
Owner Guide 1st Printing - Page 150
... the wiper arm and press it from the arm. 3. They do not apply to 12 inches or limited production tires as defined in Title 49 Code of Transportation has set. Push the lock pin manually to release the blade and pull the wiper blade down toward the windshield to new pneumatic...
Owner Guide 1st Printing - Page 151
... assigned to stop on wet pavement as well on braking (straight ahead) traction tests and does not include cornering (turning) traction.
151 The relative performance of tires... they represent the tire's ability to this tire is a comparative rating based on a specified government test course. Department of their use, however, and may have poor traction performance. Traction A B C...
Owner Guide 1st Printing - Page 152
... and its ability to a level of performance which all passenger car tires must meet under controlled conditions on a specified indoor laboratory test wheel. The grade C corresponds to dissipate heat when tested under the Federal Motor Vehicle Safety Standard No. 109. The temperature grade for this tire is established for at least one...
Owner Guide 1st Printing - Page 158
... you refuel, your vehicle. The use "Regular" unleaded gasoline with the recommended octane rating, see your dealer or a qualified service technician to use of the emission control devices and systems may not be concerned if your vehicle was not designed to operate on non-California fuels. Maintenance and care
Choosing the...
Owner Guide 1st Printing - Page 160
... Guide" for the appropriate intervals for any damage to the fuel system if an authorized Motorcraft fuel filter is not used. EMISSION CONTROL SYSTEM Your vehicle is equipped with various emission control components and a catalytic converter which can damage critical fuel system components. Damage resulting from the tank to the engine. •...
Owner Guide 1st Printing - Page 161
...-Ford parts should be equivalent to the life and performance of harmful and potentially lethal fumes into the passenger compartment.
161 Maintenance and care
exhaust emission standards. Lumination of the charging system warning light, "Service Engine Soon" light or the temperature warning light, fluid leaks, strange odors, smoke or loss of...
Owner Guide 1st Printing - Page 162
..., at least 20 minutes driving in the Warning Lights and Chimes section of the Instrumentation chapter. Readiness for I /M testing, a minimum of 30 minutes of city and highway driving is on the Vehicle Emission Control Information Decal located on , refer to the description in stop-and-go, city-type traffic with at least...
Owner Guide 1st Printing - Page 176
... FL-400-S EV-234 AWSF-32FM
* Refer to be reinstalled in the same cylinder. Cylinders No. 1, 2 and 3 have a "P" suffix. If a spark plug needs to Vehicle Emissions Control Information (VECI) decal for spark plug gap information. ** If a spark plug is removed for inspection, it must be replaced, use only spark plugs with...
Owner Guide 1st Printing - Page 186
... ...173 Console ...39 Controls power seat ...56 Coolant ...140 checking and adding ...138 refill capacities ...140 Defrost rear window ...18 Doors central unlocking ...37,38 Emission control system ...160 Engine coolant ...137 idle speed control . 144 service points ...130,131,132 starting after a collision ...109 Engine block heater . 88 Engine oil...
Owner Guide 1st Printing - Page 187
... ...18 heating and air conditioning system ...18,19,20 Hood ...129 Ignition ...180 Inspection/maintenance (I/M) testing ...162 Instrument panel cleaning ...173 Keyless entry system autolock ...52 keypad ...50 locking and unlocking doors ...51 programming entry code ...50,51 Keys key in ignition chime ...12 positions of the ignition ...28 Lamps ...163 autolamp...
Scheduled Maintenance Guide 2nd Printing - Page 3
...specified in the Service Guide, will pay dividends in your vehicle and its emission control systems, it is necessary that receipts for the service of genuine Ford... authorized remanufactured parts are retained with your vehicle. Ford strongly recommends the use of components affecting emission control, the non-Ford parts should be performed at the designated intervals. It is your vehicle...
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