Question: check engine light
car is having trouble going uphill and sometimes has trouble going faster than 30 mph on flat land. i changed spark plugs and noticed oil all over. what could it be???
Richard W
Expert Mechanic
Elizabeth KriestenCar Brakes: How Do You Know When to Change Them?
By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. It goes without saying that these pieces wear out, but they do so slowly, meaning you may not notice they need attention until ...