Is it time for a tune-up yet? – The eight most common Signs your Car needs a tune-up.

It’s been a couple of years since you had the car tuned up but it still seems to be running fine. Leave well enough alone, right?
WRONG!
On most vehicles today, malfunctions may be camouflaged by computers whose function is to keep the engine running as efficiently as possible as long as possible. When they no longer can compensate for mechanical discrepancies, they may just fail.
The vehicle is disabled!
Periodic diagnostic checks and maintenance can prevent this sometimes disastrous situation. Preventive diagnosis done periodically, can keep your vehicle running trouble-free for years. Short of that, if you do detect a change in the vehicle’s performance, make a note of it to your technician for further diagnosis and corrective measures.