SOME VEHICLES MAY EXHIBIT A CHECK ENGINE LIGHT ON WITH DTC P013A:00 STORED IN MEMORY. • DTC P013A:00: HO2S SLOW RESPONSE (DURING TRANSITION FROM RICH TO LEAN) THIS CONCERN MAY BE CAUSED BY AN IMPACT FROM A SPEED-BUMP OR OTHER SOURCE, CAUSING A DEFORMATION OF THE GASKET BETWEEN THE EXHAUST MANIFOLD (WU-TWC) (A) AND THE TWC (B).
