As increasing numbers of vehicles equipped with tire pressure monitoring systems (TPMS) pull into tire dealers' service bays, many shops are grappling with the decision of whether, and how much, to ...

The fix: Chrysler and Dodge dealerships will inspect and replace the TPMS sensors, if necessary, free of charge.

But, the Dorman TPMS (PN RNB-974-009) come with metal valve stems and are a fraction of the cost of the GM sensors at under $31. So I figured we’d give them a shot in the name of science.