Looking to buy a OBD II interface for a laptop computer to help diagnose a gas mileage problem on 2008 Grand Caravan. Any recommendations as for a interface and software? Mileage dropped after engine overheated and dealer replaced a temperature sensor. Dealer claims all sensors are operating within specifications.

 

I've been using bowser electronics for several years now. got it on ebay, works great. google "bowser electronics".

 

how much money you wanna spend? autoenginuity is very good

 

Found a different brand on Ebay will post back on how it works out, Thanks.

 

I have Autoenginuity, it is great for it's price. But as Most aftermarket scanner, it is not perfrect.
If you pay a little more, It also offer enhanced diagnostic like ABS, Body controller, airbags, etc...

It all depends on how much u want to spend. It goes from $99-$4000. and Quality goes with price.