2002 Chevrolet Astro "reset low tire pressure 02" Questions

...reset the low tire sensor on a 2002 toyota Sienna and comes back on? The tire pressure has been checked and its fine. You have to "Teach" the tire sensors to the correct pressure. The 02 Sienna does ...

...reset • Low Washer Fluid indicator • MIL (Service Engine Soon) indicator • Oil Life Reset • Park Lamp Out indicator • Rear Hatch Ajar indicator • Service Traction System indicator • Service Vehicle ...

reset. It helped the gas mileage a lot and also cleared up other problems. my vacuum lines some were dry rotted and cracked.Other area, is if replacing the ECM, could help fuel mileage. Some times the