P1133 1998 Toyota Camry - exhaust leak, engine light on

Question

We had a hole in the exhaust pipe expander. We plugged the hole with muffler repair paste good up to 2000 degrees. Now the engine service light has gone on. We read the code as P1133. Do you know what is wrong with our vehicle?

Answer 1

get your sender from the dealer make sure connecters same colour same other wise light stays on , i make the mistake and used gray light stay on , when i put on orange light came off

Answer 2

P1133  A / F (airflow) sensor slow response

Toyota TSB about this concern , It is usually a wrong application of the A / F sensor ( which is known as a 02 sensor).