i have had this wiered thing happening in my car. every 20 min say my car will shiver and make as if it gona cut out but doesnt. i dont no if it to do with the fan or is it a problem? im not to hot on this part of my car!!, when i had my old car it started to do it and some times towards the end it would cut out forno reason they said it was injecters so i got rid of it for this car i love. any one no what im going on about ?