Should You Put A New Engine In Your Car Or Sell It

Why does my Nissan Titan have a Service ABS Light after Pinion Seal change? Is Brake Fluid Corrosive and should I change it? Why does my car have no heat? 2003 Pontiac Grand Am. Why does my Ford Transmission slip and shake with 290k miles? When should I do my first oil change on a new car? Toyota Rav 4 Hybrid. 2003 Silverado engine. Why do my Honda Fit Spark Plugs blow out? Should I replace my Subaru Engine with a used part or new? Why does my idle surge on my Ford Taurus?