Diy Afr Setup

[NFS 32]

Hi,

 

has anybody found a way to hook up a cheap AFR meter setup?

 

looking around and the setup seems to be between £120-£150+

 

you can get the gauges seprately however where can you get the sensors septrately/cheaply?

 

gauge for example.

http://www.ebay.co.uk/itm/PROSPORT-SMOKED-WHITE-AFR-AIR-FUEL-RATIO-GAUGE-/140906757452?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item20ceb27d4c

[Anthony 1,003]

You're confusing narrow and wideband lambda - that's narrowband, whereas the useful wideband kits are the ones that are circa £120-150

[NFS 32]

haha, i didnt read the description of the gauge, i need a wideband sensor and gauge to keep on eye on my air fuel ratio. has anyone made a cheap DIY set up?

[Tom Fenton 1,548]

To be honest the wideband kits out there now are very very good value for money. Only a few years ago they were £400+.

[NFS 32]

Oh, i was looking at them a few years ago for my punto turbo and they where around the sameish price, just thought there might be a way to rob a sensor of a car that has one fitted as standard and then buying a guage seprately.

[Tom Fenton 1,548]

I am talking about 10 years or so ago, they have come down massively in price and are very good value IMO.

[petert 601]

has anyone made a cheap DIY set up?

 

Yep. Buy a 0-1mA panel meter. Add a 10Kohm trimpot in series and calibrate off a known low voltage source so it reads 0.6V at 0.6mA on the meter scale. Hook up to a narrow band sensor and you'll be able to read mixtures from 0.6V (14.7:1) to 0.9V (approx 12.5:1).