Five problems related to emission control have been reported for the 1998 Toyota Corolla. The most recently reported issues are listed below.
Check engine light illuminated prompting me to have the problem checked. The indication was an error message po441: purge flow fault. The local Toyota dealer diagnosed a charcoal canister failure which needs to be replaced. There are significant and consistent complaints by Toyota owners regarding emissions control systems failures in the 1998 Corolla in addition to a lawsuit in which tmc settled with the epa covering only certain models. It seems that a recall should have been issued on all 1998 models as this problem is very prevalent.
Engine light illuminated. Had it checked out to find that the charcoal canister failed - something my mechanic told me he sees all the time in these Toyotas.
Charcoal canister assembly and vacuum switching valve failed. Gas cap also failed.
Check engine light on. Emissions control systems error. Likely charcoal canister problem.
Charcoal canister assembly failed.