Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Emission Control Abbreviations: "F"
- FBC
-
Feedback Carburetor
- FCOV
-
Fuel Change Over Valve
- FF
-
Flex Fuel
- FF-CKV
-
Fuel Fill Check Valve
- FF-FCV
-
Fuel Tank Fuel Cut-Off Valve
- FF-FLVV
-
Fuel Tank Fill Limit Vent Valve
- FFC-PVRV
-
Fuel Fill Cap Pressure Vacuum Relief Valve
- FGOV
-
Fuel Gravity/Overflow Valve
- FGVV
-
Fuel Gravity Vent Valve
- FI
-
Fuel Injected
- FICD
-
Fast Idle Control Device
- FISR
-
Fast Idle Solenoid Relay
- FLV
-
Fill Limit Valve
- FLVV
-
Fill Limiting Vent Valve
- FP-CKV
-
Fill Pipe Check Valve
- FP-RV
-
Fill Pipe Rollover Valve
- FR
-
Fill Pipe Restrictor
- FT-FLVV
-
Fuel Tank Fill Limit Vent Valve
- FT-GVV
-
Fuel Tank Grade Vent Valve
- FT-OPRV
-
Fuel Tank Over Pressure Vent Valve
- FT-PCV
-
Fuel Tank Pressure Control Valve
- FT-VCV
-
Fuel Tank Vapor Control Valve
- FT-VRV
-
Fuel Tank Vapor Recirculation Valve
- FTCV
-
Fuel Tank Check Valve
- FTDPS
-
Fuel Tank Differential Pressure Sensor
- FTEV
-
Fuel Tank EVAP Valve
- FTPS
-
Fuel Tank Pressure Sensor
- FTT
-
Fuel Tank Temperature Sensor
- FTTS
-
Fuel Tank Temperature Sensor
- FTV/LSV
-
Fuel Tank Vapor/Liquid Seperation Valve
- FTVCV
-
Fuel Tank Vapor Control Valve
- FTVPRV
-
Fuel Tank Ventilation Pressure Retention Valve
- FVPS
-
Fuel Vapor Pressure Sensor
- FTVV
-
Fuel Tank Vent Valve
- FVV
-
Fuel Vapor Valve
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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