O2 Sensor test - This option allows retrieval and viewing of O2 sensor test results for most recently performed tests from the vehicle’s on-board computer. It's so frustrating for me with these readers, It's also frustrating that I am attracted to British automotive offerings from the turn of the century.

If say the check engine light came on would it be able to diagnose that, or anything specific to the engine/ECU?By purchasing this product from JB Tools, purchasers may not be guaranteed any manufacturer-provided services offered by the manufacturer of this product (including any training or technical support that may otherwise be available). It supports full system diagnosis and is a powerful DIY tool enabling owners and technicians to accurately diagnose complex problems. its recommended to have the engine running when having a diagnostic tool plugged in, this way you will get 'live' engine/battery values as well.

Freeze Frame — When an emission-related fault occurs, certain vehicle conditions are recorded by the on-board computer. Haven't received mine yet but should be here by Monday - is there a standard procedure to lonk it up ti the F2? By purchasing this product from JB Tools, the manufacturers’ warranty, if any, potentially associated with the product may not be honored by the manufacturer. As far as I understand you plug it in port above accelerator and press start button with no brake so engine does not start. While needlessly excessive, as long as you can get the codes pulled, I think you have what you need.Devon 4x4 are synonymous with 4x4 preparation and maintenance, we are generally considered the market leader within our industry.