I've been reading up on O2 sensors and their effects on fuel efficiency. I feel like my 240 isn't getting it's maximum Km per L of gas and was thinking that I could have a malfunctioning sensor.

My questions:

1) Is there a way to know if you're O2 sensor is malfunctioning?

2) If installing a new ...

Thanks a lot for your post mike. I've been riding a bike for so long that the 17MPG seemed pretty low. But just like you I think I ride my girl a little to hard sometimes. I'm going to be taking it easy this tank so that I can judge my max fuel economy for when the bank acount gets dry at the end of ...

Hi,

I just bought a 1984 240 Sedan. It's a 2.1 L Canadian made car. When I filled up the tank today I divided my distance traveled with the amount of litres of gas consumed into a Km per L ratio.

Right now I'm getting 7.39 Km per L of gas. (about 17 MPG I think).

Is this what I should expect or ...

Hi everyone,

Thank you all for the great advice. Now I just wish it was the weekend so I could start on this project. Damn work and school always gets in the way of fun!!!

I will try to keep everyone updated on how things go.

-bluenote

I think you're on the right track. I've been thinking about it more and more and fuel seems like it could be the correct problem. I might change up the alternator just for good mesure when I get dirty dealing with the possible fuel problem.

Have you ever worked on the "in tank" fuel filters/pumps ...

Here it goes:

I just bought a 2.1L 1984 240. She's got a little rust but I'm not trying to use her as a lady killer or anything. The price was great but I still don't have a lot of money to spend on a mechanics professional troubleshooting unless it is 100% required.

I've had her for a week so far ...