Bigger Gift via eBay offers this OBD2 Bluetooth Automotive Diagnostic Scanner Tool
, model no. ELM327, for $4.51
with free shipping
. That's tied with last week's mention and the lowest total price we could find now by $3, outside of other eBay sellers. This wireless Bluetooth device scans OBDII codes for 1996 and newer cars, light trucks, and SUVs to reveal the reason you're getting a "check engine" light on your vehicle.
Expect shipping to take up to eight weeks.