Fuel consumption 85' 240

mr_blackstock

G'day,
My old 240 used to get around 500kms per tank, full to the brim to just hitting the red reserve, yet in my current 240. same year, same fuel system, same ignition, I am getting 400kms per tank.
I have de-carbonised, cleaned out the air intake, replaced the CPR. new fuel injector seals, both seals on each. What are other getting?

cheers, Gareth

Philia_Bear

Kjet b230?
Auto or manual?

A_Volvo_Driver

Wow, I get 350-400k's out of my 84. It only takes about 40 litres to fill it from when it thinks it's empty, so I assume that the fuel gauge is broken :p

mr_blackstock

It's a jet b23 auto. Seems to get the same as Scotts'.
It just seemed NQR

Philia_Bear

If b23 it's not an 85

mr_blackstock

You are right. I went and checked, it is a 1984 244 Gla. I worked out my fuel consumption to be 7.7 l to kms, I think it should be 11.7

Dauntless

I get around 11-12L/100km out of my 82 244GL B23E on K-Jet with an M45. I normally fill up around 400km.

mr_blackstock

That used to be what I got in my old 240, I kept the K-jet from it, I might replace my current one with that one, I imagine that will make all the difference.

cheers, Gareth

egads (she/her)

I used to get around 12l/100 doing all around town stuff on my 85 auto. b230e is making a difference to economy methinks.

A_Volvo_Driver

What size is the fuel tank on our 240's?

Philia_Bear

50l

GingerNinja

I get around 11L/100km in the city and 8.5L/100km on the highway. B230F with Toyota W55 manual.

egads (she/her)

Philia_Bear;23646 wrote50l

Plus up to 7l in filler neck and lines.

Philia_Bear

mr_blackstock;23528 wroteYou are right. I went and checked, it is a 1984 244 Gla. I worked out my fuel consumption to be 7.7 l to kms, I think it should be 11.7

Things that make a difference
Fresh plugs cap and rotor
Check Kjet for even fueling between the 4 injectors
Seafoam and then water torture the car

Add an aftermarket wideband o2 sensor and disable air injection
Then you can properly adjust the fuel screw on the fuel distributer
Combine with adjusting the timing to extract the max potential