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veci.jpg Vehicle Emission Control Information label details
IF THE IMAGE IS TOO SMALL, click it.
The VECI label includes specific engine calibration information, the tune-up procedure (if applicable), the base timing procedure, and the vacuum map.  Most of the information on it is virtually unique to the vehicle it's applied to - do not use the VECI from another vehicle unless you confirm that they were built exactly the same way in every detail.

Early (carb) VECI label location was on the air cleaner cover or a valve cover or the core support; '87-91 was usually on the air filter box; '92-up is usually on the hood above the brake booster.

Before madly ripping out all the emissions systems on your vehicle, read [url=http://www.fourdoorbronco.com/board/showthread.php?5427-Emissions-Systems]this article[/url] to learn how each one benefits the engine.

For the label specific to YOUR vehicle, look under the hood.  If it's gone or illegible, you can try to find the calibration code on the sticker on your EEC, and Google it. On '87-91 F-series & Broncos, it's in the driver's kick panel. '92-96 is in the same place, but it's not visible without removing the EEC into the engine compartment. Some '92-96 trucks also have the calibration code on a sticker in the door jamb, but it's hit-or-miss; I haven't found any pattern.

[url=http://www.supermotors.net/registry/media/901662][img]http://www.supermotors.net/getfile/901662/thumbnail/eec93calcodes.jpg[/img][/url]

Manufacturers must use a system standardized by EPA in 1991 for identifying engine families to meet new regulatory requirements for 1994 and later model years.

Both the engine family name and the evaporative family names are listed in the box on the emission decal in the area marked as engine/evaporative family information. The first line is the spark plug information. The second line contains the engine size, followed by a dash, and the evaporative family name (12 characters). The third line contains the engine family name (12 characters), and other vehicle specific information.

The following list of digit positions is for BOTH the evap. AND engine family names.  Positions that are different are identified in parentheses.

1) Model Year (same as VIN 10th digit)
M = 1991
N = 1992
P = 1993
R = 1994
S = 1995
T = 1996
V = 1997
W = 1998
X = 1999
Y = 2000
1 = 2001
2 = 2002
3 = 2003
4 = 2004
5 = 2005
6 = 2006
7 = 2007
8 = 2008
9 = 2009
0 = 2010

2&3) Manufacturer ID
FM = Ford Motor Company

4) (evaporative family name) Vapor Storage System
1 = Canister
2 = Crankcase
3 = Air Cleaner
4 = Canister & Crankcase
5 = Crankcase & Air Cleaner
6 = Canister & Air Cleaner
7 = Canister & Crankcase & Air Cleaner

4,5,&6) (engine family name) Engine Displacement
Numbers with a decimal (which counts as a digit) are in liters
Numbers without a decimal are in cubic inches

5,6,&7) (evaporative family name) Canister Capacity
Grams of fuel vapor

7) (engine family name) Vehicle Class
V = LightDutyVehicle (or CARB's PassengerCar) any Tier, any Fuel
1 = LightDutyTruck LVW under 3750, GVWR under 6000, Tier 1
2 = LDT LVW over 3750, GVWR under 6000, Tier 1
3 = LDT LVW=any, or LightDutyDieselTruck LVW under 3750, ALVW=3751-5750, GVWR over 6000, Tier 1
4 = LDT LVW=any, or LDDT LVW under 3750, ALVW over 5750, GVWR over 6000, Tier 1
5 = LDDT LVW over 3750, ALVW=3751-5750, GVWR over 6000
6 = LDDT LVW over 3750, ALVW over 5750, GVWR over 6000
7 = LDT LVW under 3750, NOx=1.2, Tier 0
8 = LDT LVW over 3750, NOx=1.7, Tier 0
A = LHDE Light Duty OPTION for under 10,000 GVWR
B = LHDE  over 14K GVWR, Typically GVWR  under 19.5K & HP 70-170
C = LHDE any GVWR, Typically GVWR under 19.5K & HP 70-170
D = MHDE  over 14K, GVWR Typically GVWR 19.5K-33K & HP 170-250
E = HHDE  over 14K, GVWR Typically GVWR  over 33K & HP  over  250
F = HHDE Urban Bus (HHDDEE Bus)
G = CARB MDT-1 GVWR under 6000, ALVW  under 3750
H = CARB MDT-2 GVWR under 6000, ALVW=3751-5750
J = CARB MDT-3 GVWR under 6000, ALVW=5751-8500
K = CARB MDT-4 GVWR under 6000, ALVW=8501-10,000
L = CARB MDT-5 GVWR under 6000, ALVW=10,001-14,000

* LVW - Loaded Vehicle Weight=curb weight   300 pounds *
* ALVW - Adjusted Loaded Vehicle Weight=curb weight   GVWR) /2 *
* LHDE - Light Heavy Duty Engine *
* MHDE - Medium Heavy Duty Engine *
* HHDE - Heavy Heavy Duty Engine *
* HHDDE - Heavy Heavy Duty Diesel Engine *

8 ) (evaporative family name) Canister & Purge Configuration
A = Plastic Housing, Closed Bottom, Purge controlled
B = Plastic Housing, Open Bottom, Purge controlled
C = Metal Housing, Closed Bottom, Purge controlled
D = Metal Housing, Open Bottom, Purge controlled
W = Plastic Housing, Closed Bottom, Purge not controlled
X = Plastic Housing, Open Bottom, Purge not controlled
Y = Metal Housing, Closed Bottom, Purge not controlled
Z = Metal Housing, Open Bottom, Purge not controlled

8 ) (engine family name) Fuelling & Valves per Cylinder
0 = Multiple Carb 2 Valves/Cylinder
1 = 1 BBL Carb 2 Valves/Cylinder
2 = 2 BBL Carb 2 Valves/Cylinder
3 = 3 BBL Carb 2 Valves/Cylinder
4 = 4 BBL Carb 2 Valves/Cylinder
5 = Throttle Body Injection (TBI) 2 Valves/Cylinder
6 = Mechanical MFI 2 Valves/Cylinder
7 = Electrical MFI (bank-fired) 2 Valves/Cylinder
8 = Electrical MFI (sequential) 2 Valves/Cylinder
9 = Central Port Injection 2 Valves/Cylinder
A = Multiple Carb 3 or more Valves/Cylinder
B = 1 BBL Carb 3 or more Valves/Cylinder
C = 2 BBL Carb 3 or more Valves/Cylinder
D = 3 BBL Carb 3 or more Valves/Cylinder
E = 4 BBL Carb 3 or more Valves/Cylinder
F = Throttle Body Injection (TBI) 3 or more Valves/Cylinder
G = Mechanical MFI 3 or more Valves/Cylinder
H = Electrical MFI (bank-fired) 3 or more Valves/Cylinder
J = Electrical MFI (sequential) 3 or more Valves/Cylinder
K = Central Port Injection 3 or more Valves/Cylinder
Y = None (Electric)
Z = Other

9) (evaporative family name) Fuel System
N = Carburetor
Y = Fuel Injection

9) (engine family name) Combustion & Fuel Types
A = Diesel Cycle (CI), Methanol
B = Diesel Cycle (CI), Ethanol
C = 4-stroke Otto Cycle (SI), CNG
D = Diesel Cycle (CI), Diesel Fuel
E = 4-stroke Otto Cycle (SI), Ethanol
F = 4-stroke Otto Cycle (SI), Flexible Methanol-Gasoline
G = 4-stroke Otto Cycle (SI), Gasoline
H = Diesel Cycle (CI), Flexible Methanol-Diesel
J = Diesel Cycle (CI), Other Flexible Fuel
K = Diesel Cycle (CI), CNG
L = 4-stroke Otto Cycle (SI), LPG
M = 4-stroke Otto Cycle (SI), Methanol
N = 4-stroke Otto Cycle (SI), Other Flexible Fuel
P = Diesel Cycle (CI), LPG
Q = Turbine, Diesel
R = 4-stroke Otto Cycle Wankel Rotary (SI), Gasoline
S = Turbine, Methanol/Ethanol
T = Turbine, Gasoline
U = Turbine, CNG
V = Turbine, LPG
W = Turbine, Flexible Fuel
X = 4-stroke Otto Cycle Wankel Rotary (SI), Other Fuels
Y = Hybrid Electric
Z = Electric
2 = 2-stroke Otto Cycle (SI), Gasoline
3 = 2-stroke Otto Cycle (SI), Methanol/Ethanol
4 = 2-stroke Otto Cycle (SI), Diesel
5 = 2-stroke Otto Cycle (SI), CNG
6 = 2-stroke Otto Cycle (SI), LPG
7 = 2-stroke Otto Cycle (SI), Flexible Fuel

10) (evaporative family name) Fuel Tank Material
M = Metal
P = Plastic
C = Both metal and plastic tanks

10) (engine family name) Standards
A = Federal Tier 0HC/CO/NOx, Any PM
B = Federal Tier 0HC/CO/NOx, Any PM
C = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
D = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
E = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
F = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
G = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
H = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
J = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
K = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
L-Z = (Reserved)
0 = CARB Tier 0
1 = CARB Tier 1
2 = CARB TLEV
3 = CARB LEV
4 = CARB ULEV
5 = CARB ZEV (Electric)

11) (evaporative family name) Tier
0 = California regulations prior to 1993 model year and Federal regulations prior to 1994 model year
1 = California regulations beginning in 1993 model year and Federal regulations beginning in 1994 model year

11) (engine family name) Catalyst/Trap
A,B = Oxidation Catalyst Only
C,D = Reduction Catalyst
E,F,G,H = 3-Way Catalyst
J,K,L,M = 3-Way   Oxidation Catalyst
N,P,Q = Heated Catalyst
R,S,T = No Catalyst
Y,Z = Other
1,2 = Trap-Active Regeneration
3,4 = Trap-Continuous Regeneration
5,6 = Trap-Continuous Regeneration   Fuel Add.

12) (evaporative family name) Suffix
Any letter

12) (engine family name) OBD/ICI
A-J (excluding I) = Federal: Non-OBD; California: CARB OBD I or OBD not applicable for CARB
K-T (excluding O) = Federal: OBD; California: CARB OBD II
U = NCP - Federal: Non-OBD; California: CARB OBD I or OBD not applicable for CARB
V = NCP - Federal: OBD; California: CARB OBD II
W = Averaging or Bank/Trade - Federal: Non-OBD; California: CARB OBD I or OBD not applicable for CARB
X = Averaging or Bank/Trade- Federal: OBD; California Only: CARB OBD II
veci.jpg | Hits: 15224 | Posted on: 3/24/11 | View original size (201.4 KB)

Vehicle Emission Control Information label details
IF THE IMAGE IS TOO SMALL, click it.
The VECI label includes specific engine calibration information, the tune-up procedure (if applicable), the base timing procedure, and the vacuum map. Most of the information on it is virtually unique to the vehicle it's applied to - do not use the VECI from another vehicle unless you confirm that they were built exactly the same way in every detail.

Early (carb) VECI label location was on the air cleaner cover or a valve cover or the core support; '87-91 was usually on the air filter box; '92-up is usually on the hood above the brake booster.

Before madly ripping out all the emissions systems on your vehicle, read this article to learn how each one benefits the engine.

For the label specific to YOUR vehicle, look under the hood. If it's gone or illegible, you can try to find the calibration code on the sticker on your EEC, and Google it. On '87-91 F-series & Broncos, it's in the driver's kick panel. '92-96 is in the same place, but it's not visible without removing the EEC into the engine compartment. Some '92-96 trucks also have the calibration code on a sticker in the door jamb, but it's hit-or-miss; I haven't found any pattern.



Manufacturers must use a system standardized by EPA in 1991 for identifying engine families to meet new regulatory requirements for 1994 and later model years.

Both the engine family name and the evaporative family names are listed in the box on the emission decal in the area marked as engine/evaporative family information. The first line is the spark plug information. The second line contains the engine size, followed by a dash, and the evaporative family name (12 characters). The third line contains the engine family name (12 characters), and other vehicle specific information.

The following list of digit positions is for BOTH the evap. AND engine family names. Positions that are different are identified in parentheses.

1) Model Year (same as VIN 10th digit)
M = 1991
N = 1992
P = 1993
R = 1994
S = 1995
T = 1996
V = 1997
W = 1998
X = 1999
Y = 2000
1 = 2001
2 = 2002
3 = 2003
4 = 2004
5 = 2005
6 = 2006
7 = 2007
8 = 2008
9 = 2009
0 = 2010

2&3) Manufacturer ID
FM = Ford Motor Company

4) (evaporative family name) Vapor Storage System
1 = Canister
2 = Crankcase
3 = Air Cleaner
4 = Canister & Crankcase
5 = Crankcase & Air Cleaner
6 = Canister & Air Cleaner
7 = Canister & Crankcase & Air Cleaner

4,5,&6) (engine family name) Engine Displacement
Numbers with a decimal (which counts as a digit) are in liters
Numbers without a decimal are in cubic inches

5,6,&7) (evaporative family name) Canister Capacity
Grams of fuel vapor

7) (engine family name) Vehicle Class
V = LightDutyVehicle (or CARB's PassengerCar) any Tier, any Fuel
1 = LightDutyTruck LVW under 3750, GVWR under 6000, Tier 1
2 = LDT LVW over 3750, GVWR under 6000, Tier 1
3 = LDT LVW=any, or LightDutyDieselTruck LVW under 3750, ALVW=3751-5750, GVWR over 6000, Tier 1
4 = LDT LVW=any, or LDDT LVW under 3750, ALVW over 5750, GVWR over 6000, Tier 1
5 = LDDT LVW over 3750, ALVW=3751-5750, GVWR over 6000
6 = LDDT LVW over 3750, ALVW over 5750, GVWR over 6000
7 = LDT LVW under 3750, NOx=1.2, Tier 0
8 = LDT LVW over 3750, NOx=1.7, Tier 0
A = LHDE Light Duty OPTION for under 10,000 GVWR
B = LHDE over 14K GVWR, Typically GVWR under 19.5K & HP 70-170
C = LHDE any GVWR, Typically GVWR under 19.5K & HP 70-170
D = MHDE over 14K, GVWR Typically GVWR 19.5K-33K & HP 170-250
E = HHDE over 14K, GVWR Typically GVWR over 33K & HP over 250
F = HHDE Urban Bus (HHDDEE Bus)
G = CARB MDT-1 GVWR under 6000, ALVW under 3750
H = CARB MDT-2 GVWR under 6000, ALVW=3751-5750
J = CARB MDT-3 GVWR under 6000, ALVW=5751-8500
K = CARB MDT-4 GVWR under 6000, ALVW=8501-10,000
L = CARB MDT-5 GVWR under 6000, ALVW=10,001-14,000

* LVW - Loaded Vehicle Weight=curb weight 300 pounds *
* ALVW - Adjusted Loaded Vehicle Weight=curb weight GVWR) /2 *
* LHDE - Light Heavy Duty Engine *
* MHDE - Medium Heavy Duty Engine *
* HHDE - Heavy Heavy Duty Engine *
* HHDDE - Heavy Heavy Duty Diesel Engine *

8 ) (evaporative family name) Canister & Purge Configuration
A = Plastic Housing, Closed Bottom, Purge controlled
B = Plastic Housing, Open Bottom, Purge controlled
C = Metal Housing, Closed Bottom, Purge controlled
D = Metal Housing, Open Bottom, Purge controlled
W = Plastic Housing, Closed Bottom, Purge not controlled
X = Plastic Housing, Open Bottom, Purge not controlled
Y = Metal Housing, Closed Bottom, Purge not controlled
Z = Metal Housing, Open Bottom, Purge not controlled

8 ) (engine family name) Fuelling & Valves per Cylinder
0 = Multiple Carb 2 Valves/Cylinder
1 = 1 BBL Carb 2 Valves/Cylinder
2 = 2 BBL Carb 2 Valves/Cylinder
3 = 3 BBL Carb 2 Valves/Cylinder
4 = 4 BBL Carb 2 Valves/Cylinder
5 = Throttle Body Injection (TBI) 2 Valves/Cylinder
6 = Mechanical MFI 2 Valves/Cylinder
7 = Electrical MFI (bank-fired) 2 Valves/Cylinder
8 = Electrical MFI (sequential) 2 Valves/Cylinder
9 = Central Port Injection 2 Valves/Cylinder
A = Multiple Carb 3 or more Valves/Cylinder
B = 1 BBL Carb 3 or more Valves/Cylinder
C = 2 BBL Carb 3 or more Valves/Cylinder
D = 3 BBL Carb 3 or more Valves/Cylinder
E = 4 BBL Carb 3 or more Valves/Cylinder
F = Throttle Body Injection (TBI) 3 or more Valves/Cylinder
G = Mechanical MFI 3 or more Valves/Cylinder
H = Electrical MFI (bank-fired) 3 or more Valves/Cylinder
J = Electrical MFI (sequential) 3 or more Valves/Cylinder
K = Central Port Injection 3 or more Valves/Cylinder
Y = None (Electric)
Z = Other

9) (evaporative family name) Fuel System
N = Carburetor
Y = Fuel Injection

9) (engine family name) Combustion & Fuel Types
A = Diesel Cycle (CI), Methanol
B = Diesel Cycle (CI), Ethanol
C = 4-stroke Otto Cycle (SI), CNG
D = Diesel Cycle (CI), Diesel Fuel
E = 4-stroke Otto Cycle (SI), Ethanol
F = 4-stroke Otto Cycle (SI), Flexible Methanol-Gasoline
G = 4-stroke Otto Cycle (SI), Gasoline
H = Diesel Cycle (CI), Flexible Methanol-Diesel
J = Diesel Cycle (CI), Other Flexible Fuel
K = Diesel Cycle (CI), CNG
L = 4-stroke Otto Cycle (SI), LPG
M = 4-stroke Otto Cycle (SI), Methanol
N = 4-stroke Otto Cycle (SI), Other Flexible Fuel
P = Diesel Cycle (CI), LPG
Q = Turbine, Diesel
R = 4-stroke Otto Cycle Wankel Rotary (SI), Gasoline
S = Turbine, Methanol/Ethanol
T = Turbine, Gasoline
U = Turbine, CNG
V = Turbine, LPG
W = Turbine, Flexible Fuel
X = 4-stroke Otto Cycle Wankel Rotary (SI), Other Fuels
Y = Hybrid Electric
Z = Electric
2 = 2-stroke Otto Cycle (SI), Gasoline
3 = 2-stroke Otto Cycle (SI), Methanol/Ethanol
4 = 2-stroke Otto Cycle (SI), Diesel
5 = 2-stroke Otto Cycle (SI), CNG
6 = 2-stroke Otto Cycle (SI), LPG
7 = 2-stroke Otto Cycle (SI), Flexible Fuel

10) (evaporative family name) Fuel Tank Material
M = Metal
P = Plastic
C = Both metal and plastic tanks

10) (engine family name) Standards
A = Federal Tier 0HC/CO/NOx, Any PM
B = Federal Tier 0HC/CO/NOx, Any PM
C = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
D = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
E = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
F = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
G = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
H = Federal Tier 1 0HC/CO/NOx, Tier 0 PM
J = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
K = Federal Tier 1 0HC/CO/NOx, Tier 1 PM
L-Z = (Reserved)
0 = CARB Tier 0
1 = CARB Tier 1
2 = CARB TLEV
3 = CARB LEV
4 = CARB ULEV
5 = CARB ZEV (Electric)

11) (evaporative family name) Tier
0 = California regulations prior to 1993 model year and Federal regulations prior to 1994 model year
1 = California regulations beginning in 1993 model year and Federal regulations beginning in 1994 model year

11) (engine family name) Catalyst/Trap
A,B = Oxidation Catalyst Only
C,D = Reduction Catalyst
E,F,G,H = 3-Way Catalyst
J,K,L,M = 3-Way Oxidation Catalyst
N,P,Q = Heated Catalyst
R,S,T = No Catalyst
Y,Z = Other
1,2 = Trap-Active Regeneration
3,4 = Trap-Continuous Regeneration
5,6 = Trap-Continuous Regeneration Fuel Add.

12) (evaporative family name) Suffix
Any letter

12) (engine family name) OBD/ICI
A-J (excluding I) = Federal: Non-OBD; California: CARB OBD I or OBD not applicable for CARB
K-T (excluding O) = Federal: OBD; California: CARB OBD II
U = NCP - Federal: Non-OBD; California: CARB OBD I or OBD not applicable for CARB
V = NCP - Federal: OBD; California: CARB OBD II
W = Averaging or Bank/Trade - Federal: Non-OBD; California: CARB OBD I or OBD not applicable for CARB
X = Averaging or Bank/Trade- Federal: OBD; California Only: CARB OBD II
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