I have a 2006 escape hybrid and the check engine light pops on and off, any ideas?

I have tried to read the obdII code, but when I turn off the vehicle the code clears. I am afraid to apply the reader with the vehicle running. It happens in warm weather as well as cold. I also used to hear a sound like water hitting a hot pipe in the summer after running a/c. Potentially a leak in the exhaust?
 

DanS

Member
watter hitting a hot pipe is probably your ac driping on to the exhaust. the on and off soulds like a lose plug or wire,
 
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