Category Archives: Check Engine Light

What to do if a dashboard warning light comes on

Q. My college-age twins are heading off to college, and I am worried they might not recognize the warning lights on the dashboard or worse yet, just ignore them. Can you give me a crash course in how to educate them about dashboard lights?   A. Remember flash cards? Many of us learned our three Rs—Reading, ’Riting and ’Rithmetic—using them. When it comes to that Libertyville or Mundelein college-age driver heading to school, you might want to add a fourth “R”—Riding—to the list, because that “flash” is more likely to be a dashboard light illuminating vs. card stock being held up. … Continue reading

Your Check Engine Light: What you need to know

Check Engine Light, Service Engine Soon in Libertyville, IL

A Check Engine light isn’t cause for alarm but it could signal an important warning sign. Its presence could mean any number of under-the-hood snafus. Your vehicle’s Check Engine light can pop on for more than 1,400 different reasons–all related to your vehicle’s tailpipe emissions. Part of your vehicle’s on-board diagnostics system, the Check Engine light can indicate anything from a quick fix (such as a loose gas cap or faulty spark plug) to a mid-sized problem (mass air flow sensor or oxygen sensor) all the way up to a big-time repair (such as a catalytic converter that’s on the … Continue reading

EVAP emissions system leak behind ‘check engine’ light

Check Engine Light, Service Engine Soon Light

Your car’s “Check Engine” or “Service Engine Soon” light can flash on for more than 1,400 different reasons. The light is part of your vehicle’s on-board diagnostics (OBD) system and can indicate anything from a quick fix like a loose gas cap to a major repair like a failing catalytic converter. The purpose of the OBD system is to reduce tailpipe emissions, and your car is programmed to alert you any time the engine control computer detects that a sensor or system isn’t performing the way it’s supposed to. Here’s another example of a problem that can trigger the light… … Continue reading