A properly tuned engine saves fuel, performs better, runs cleaner and can prevent costly repairs. The 2 most basic elements of a tune up are spark plug replacement and fuel injection cleaning. Worn spark plugs can create an engine misfire and lead to damaging other ignition components. Poor fuel injector performance wastes gas and can cause premature failure of oxygen sensors and the catalytic converter. H&I Automotive located at 5338 E Main Street in Mesa AZ 85205 has the proper diagnostic equipment to keep your engine in top running condition. We will recommend tune up related maintnenance in accordance to the standards suggested by your manufacturer.