How do I do a tune up on my Nissan Titan 2004 XL?
I have a Nissan Titan 2004 XL 4 DOORS v.8. i just bought this truck on a dealer and i need to know how to do a tune up the truck is running good but the oil is dark and i don't know if need to change spark plug or when to do it. Thanks.
Is this a good question?