Hi friends, I have an endeavor 2004, while the light service engine soon comes on for days, then go off, switch from gasoline to premium and stopped doing a while, now sometimes turn on 1 day and then the next day is off alone, spend a few days and turns back on and off the next day, never lasts more than 1 day lit ... anyone know what happens? I appreciate it

 

service the engine soon.

(get the codes read)

 

the code is PO153

 

how did the engine service go?

 

He made ​​the proper and normal maintenance, iridium spark plugs were placed
The truck presents no failure to handle it, but the light is turned on continuously