P2420 Toyota -

Question

I'm really confuse with this code I'm unable to determine was the problem causing it.i check wires and I don't see any wires touching each other or any cut wires. Have replace the canister fuel Cap vacuum switch. No luck

Answer 1

Hi there,

This code indicates an issue with the vacuum pump module. Here is some info for you.

P2420 TOYOTA - Evaporative Emission System Switching Valve Control Circuit High

Read more: https://www.autocodes.com/p2420_toyota.html