Cottonwood Auto Repair

A quiet drive can turn stressful the moment that little orange light appears. The car still runs, yet you do not know what is happening under the hood. Some problems can wait for a planned visit. Others need attention right away. Knowing the difference keeps you safe and prevents a minor fault from turning into a big repair. What the Check Engine Light Really Means Your engine computer watches dozens of sensors and compares their signals to expected ranges. When a reading goes outside that window, it stores a code and turns on the light. The code points to a system that needs testing, not to a guaranteed bad part. A proper diagnosis looks at live data, freeze frame details, and how the engine behaves under load. That is how you find the root cause instead of guessing. Solid vs. Flashing: Know the Difference A solid check engine light means the computer has found a fault that affects emissions or drivability but is not likely to cause immediate da ... read more