Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...
Once the check engine light comes on, a trouble code is stored in the cars computer, so the mechanic only needs to read the trouble code to diagnose the problem. But your right in that a car repair can still be expensive. But, the check engine light will help alleviate trouble shooting and therefore labor costs somewhat.
I had a 2002 Lexus IS that had a perennial check engine light that would come on every three months. I took the car to three different dealers and none of them could diagnose the EVAP problem, and prevent it from happening again. So I know what you mean.