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.
Commonly Used Abbreviations - General Information: "B"
- BAC
-
By-Pass Air Control
- BAP
-
Barometric Absolute Pressure Sensor
- BARO
-
Barometric
- Batt.
-
Battery
- Bbl.
-
Barrel (Example: 4-Bbl.)
- BCM
-
Body Control Module
- BHP
-
Brake Horsepower
- BMAP
-
Barometric and Manifold Absolute Pressure Sensor
- BOO
-
Brake On-Off Switch
- B/P
-
Backpressure
- BPS
-
Barometric Pressure Sensor
- BPT
-
Backpressure Transducer
- BTDC
-
Before Top Dead Center
- BTSI
-
Brake Transmission Shift Interlock
- BTU
-
British Thermal Unit
- BVSV
-
Bimetallic Vacuum Switching Valve
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.