Less fuel consumption in Daihatsu hijet s200.

[RukmalSa]

I have a Daihatsu hijet s200 van. Fuel consumption is 1liter per 8km. And a bad petroleum smell is coming from the silencer. Is this a problem of the throttle sensor ?

[Davy]

Get a diagnostic scan done and observe the O2 sensor readings when both hot and cold. Petrol smell from exhaust is a sign of the engine running rich.

By the way, "less fuel consumption" is a good thing. It means the car consumes less fuel. Your topic title is misleading.

[Twin Turbo]

I think the title should be 'low efficiency' 8km per 1L is a crime for your vehicle !  

As Davy has pointed, get a scan and address to getting the engine back to correct running as you'll fail your next emissions test.

and don't use high obtain petrol. 

[Shiyam A]

Hi dear My Vehicle is Daihatsu HIjet Year 2007 model Buddy van. I have done full engine tuning by a proper way. But still it works 8Km /per liter. When I stop the vehicle petrol smell is coming. Please advice me. My vehicle model number SV320.