I had my CEL code checked and was told it was a misfire on cylinder 6. My CEL is blinking and the dealership said I should have it 'flat-bedded' into them for repair. Of course, being a woman, I'm always sceptical of being taken advantage of by dealerships Could you give me an idea of what type of cost or what exactly I need to do to fix this? A neighbor told me to have the fuel filter replaced, but not sure why. ~ Thank you