engine light on then 2 minutes

Question

Check engine light on and goes off 2minutes

Answer 1

What you have is OBD 1, when it stays on then there is problem , The way to find if you have a code condition is to perfrom a Key on Engine Running test (KOER).and check to see what the code speed is set at. There is a fast code speed set with automatic clearing and slow speed set  no code clearing.