There are many parts that can be found on automotive engines, especially on modern engines with many fuel-saving and power-boosting features that require a lot of information and conrol to keep precise.
- Afterfire
- Air Charge Temperature Sensor (ACT)
- Air Filter
- Antifreeze
- Backfire
- Belt Tensioner
- Camshaft Position Sensor (CMP)
- Catalytic Converter (Cat)
- Coolant
- Coolant Lines
- Coolant Temperature Sensor (CTS)
- Crankshaft (Crank)
- Crankshaft Position Sensor (CKP)
- Crankshaft Pulley (Crank Pulley)
- Cylinder Head
- Diesel Particulate Filter (DPF)
- Direct Injection
- Distributor
- Distributor Cap (Cap)
- Distributor Rotor Button (Rotor)
- Drive by Wire (DbW)
- Engine Block
- Engine Mount
- Engine Trim
- Exhaust Gas Recirculation Valve (EGR Valve)
- Exhaust Gasses (Exhaust Emissions)
- Exhaust Manifold (Headers)
- Exhaust Pipe
- Exhaust Tip
- Flywheel
- Fuel Injection (FI)
- Fuel Injectors
- Fuel Pressure Regulator
- Fuel Pump
- Fuel Trim
- Glow Plugs
- Heat Exchanger
- Idle Air Control Valve (IAC)
- Ignition Coil
- Ignition Coil Boot
- Intake
- Intake Air Temperature (IAT)
- Intake Manifold
- Intercooler (IC)
- Knock Sensor (KS)
- Manifold Absolute Pressure Sensor (MAP)
- Manifold Air Temperature Sensor (MAT)
- Mass Air Flow Sensor (MAF)
- Moisture/Humidity Sensor
- Motor Oil (Oil)
- Motor Oil Additives (Oil Additive)
- Muffler
- Multi-Port Fuel Injection (MPFI)
- Oil Cooler
- Oil Drain Plug
- Oil Filter
- Oil Level Sensor
- Oil Pan
- Oil Pressure Sensor
- Oil Pump
- Oxygen Sensor (O2 Sensor)
- Piston Rings
- Piston Rod
- Pistons
- Positive Crankcase Ventilation Valve (PCV)
- Pushrods
- Radiator
- Resonator
- Rocker Arm
- Sequential Fuel Injection (SFI)
- Serpentine Belt
- Spark Plugs
- Spark Timing
- Starter
- Supercharger (Blower)
- Swirl Control Valve (SCV)
- Thermostat
- Throttle Body (TB)
- Throttle Body Injection (TBI)
- Throttle Pedal
- Throttle Pedal Position Sensor
- Throttle Position Sensor (TPS)
- Tuned Port Injection (TPI)
- Turbo Flutter
- Turbo Lag
- Turbocharger (Turbo)
- Valve Cover
- Valve Lifters
- Valve Springs
- Valve Timing (Cam Timing)
- Valves
- Variable Valve Timing (VVT)
- Water Pump
Not every part listed here will be found on every engine, but most modern engines will have almost all of them. Some sensors/parts may be added as aftermarket features to give the driver more information than the vehicle originally would have.
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