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Process

Diagnosis tools for Car.

The fuel injector or carburetor is located on the intake side of the engine, where air enters the engine.

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📍 Fuel Injector Location (Modern Petrol Engines)

Mounted on the intake manifold

Positioned between the air intake and the cylinder head

Sprays fuel into the intake port (port injection)
or directly into the combustion chamber (direct injection)

Simple layout:

Air Filter
⬇
Throttle Body
⬇
FUEL INJECTOR ← (mounted on intake manifold)
⬇
Intake Valve
⬇
Cylinder

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📍 Carburetor Location (Older Petrol Engines)

Mounted on top of the intake manifold

Located between the air filter and the engine

Mixes air and fuel before sending it to the cylinders

Simple layout:

Air Filter
⬇
CARBURETOR
⬇
Intake Manifold
⬇
Cylinder Head

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🧠 Easy to remember

👉 Injector or carburetor = always on the air-intake side of the engine

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