1997 Toyota Avalon Q&A
1997 Toyota Avalon Question: check eng lite
Check for vacuum leaks for starters. Exactly which sensor did you replace? Was it the front or the rear? Does the code give you any more information? - blindsquirrel
Bank one on that engine is the rear bank of cylinders ensure the correct sensor was replaced. Heater circuit failure is common on these cars. - patrick mannion
I cleared eng ck lite with diag tool and tried turning on AC. Again AC good but after a few minutes got ECL again. During diagnostic test their were no err code/no err shown at all. Did not res...