Akwai man fetur domin injin.

Akwai is the common Hausa existential word, used for ideas like there is, there are, exists, or is available.

So in this sentence, Akwai man fetur... means something like There is fuel... or Fuel is available...

It does not work exactly like an ordinary English verb. Hausa often uses akwai where English uses there is/there are.

No. Akwai itself stays the same.

So Hausa uses:

• Akwai man fetur = There is fuel
• Akwai motoci = There are cars

The singular or plural meaning comes from the noun phrase after akwai, not from changing akwai itself.

Man fetur is a noun-plus-noun expression.

The first part is related to mai/man, meaning oil or fuel, and the -n is a linker that connects it to the next noun. So man fetur is literally something like oil/fuel of petroleum, and in normal usage it means petrol or fuel.

This kind of linking is very common in Hausa. English often uses of or just a noun-noun compound, while Hausa often uses a linker like -n or -r.

In many contexts, yes, speakers may use fetur on its own, especially in modern everyday speech. But man fetur is a very natural Hausa expression for petrol/fuel.

So the full phrase is not strange or overly long; it is a normal way to name the substance.

Domin means for, for the sake of, or for the purpose of.

In this sentence, domin injin means for the engine or for use in the engine.

So it shows purpose or intended use, not just simple location.

They are very close. In many situations, don and domin can both mean for.

• don is very common in everyday speech
• domin can sound a bit fuller, more careful, or slightly more formal

So Akwai man fetur don injin would also be natural.

Hausa does not have articles that match English a/an and the in a direct, regular way.

So injin can mean:

• an engine
• the engine

The exact English choice depends on context. If the engine is already known in the conversation, English would usually say the engine. If it is not specific, English might say an engine.

Not really. Here domin injin mainly shows purpose or intended use.

So the idea is:

• fuel for the engine
• fuel meant for the engine

If you wanted to express possession or ownership more directly, Hausa would usually use a different construction.

It is a borrowed word, ultimately from English engine.

Hausa has many loanwords, and they are often adapted to Hausa spelling and pronunciation. So engine becomes injin.

This is very normal in Hausa, especially for modern objects and technology.

Yes, the given order is the most natural basic order for this kind of sentence:

Akwai + thing that exists + extra information

So:

• Akwai man fetur domin injin.

is the straightforward way to say it.

You can move parts around for emphasis in some contexts, but for a learner, this pattern is the safest and most natural one to use.