Service Repair

Toyota Corolla Vehicles May Have Stuck Valve

Nov. 24, 2020

Some 2014-2018 Toyota Corolla vehicles equipped with a 2ZR-FE or 2ZR-FAE engine may exhibit a MIL on with DTC P2420 (evaporative emission pressure switching valve stuck off). If this is confirmed, replace the charcoal canister assembly.

Information courtesy of Mitchell 1

Mike Mavrigian

Install the new filter and sub-assembly. Disconnect and remove the air line tube. Remove the retaining bolt from the charcoal canister assembly.

Install the new filter sub-assembly by sliding the metal bracket between the charcoal canister assembly and the vehicle frame. Reinstall the retaining bolt and torque to 14 ft.-lbs.

Install the new clamp P/N 90463-13003 or equivalent 7.5-inch nylon cable tie. Clear all DTCs and run the EVAP system check utility and test drive to confirm that no DTCs are present.

Remove the canister retaining bolt.

Install the new filter sub-assembly by sliding the metal bracket between the charcoal canister assembly and the vehicle frame.

Connect the new inlet and outlet air lines.

Install a zip tie in the location shown.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.