The charred remains of the Subaru 22B after Thursday's fire. The charred remains of the Subaru 22B after Thursday’s fire.

The fire was next to a Z Energy petrol station and prompted a large response from Fire and Emergency. Photo / Anna HeathThe fire was next to a Z Energy petrol station and prompted a large response from Fire and Emergency. Photo / Anna Heath

The Subaru 22B, pictured before it was destroyed in Thursday's fire at Ponsonby Automotive. The Subaru 22B, pictured before it was destroyed in Thursday’s fire at Ponsonby Automotive.

Faulty equipment caused delays in fighting a fire at Ponsonby Automotive on Thursday, the New Zealand Professional Firefighters Union says. Photo / Anna HeathFaulty equipment caused delays in fighting a fire at Ponsonby Automotive on Thursday, the New Zealand Professional Firefighters Union says. Photo / Anna Heath

The cause of the fire is still being investigated, Fire and Emergency say. Photo / Anna HeathThe cause of the fire is still being investigated, Fire and Emergency say. Photo / Anna Heath