Back to all

Watching Your Check Engine Light

October 2, 2022

Did you know that most of the cars driving around Lehigh Acres, FL, carry more computer power than the Apollo 121 Lunar Module that landed on the moon in 1969?

New cars sold in the Lehigh Acres area have as many as 12 networked computers and over five miles (eight kilometers) of wiring. In fact, for the last decade or so, auto computers have been controlling about 85 percent of your vehicle's functions.

Cars have sensors for manifold air temperature, coolant temperature, manifold air pressure, airflow, throttle position, vehicle speed and oxygen content. All of this electronic wizardry is pretty complicated. So how do Lehigh Acres drivers know when there is a problem?

It's simple; the Check Engine light comes on. The computer monitors all the sensors and uses that information to decide what to adjust such as the fuel mix, spark timing and idle speed. In addition, the computer monitors its own circuits. When it finds a fault, it turns on the Check Engine light and stores a trouble code in the computer.

It can be pretty disturbing for Lehigh Acres drivers when the Check Engine light comes on. We wonder just how urgent it is. Generally speaking, it is not critical like a temperature or oil pressure light. When you get one of those it means STOP NOW! When the Check Engine light shows up, you should come in to Tuffy Lehigh Acres in Lehigh Acres to find out what the matter is as soon as possible.

Since 1996, there has been a strong emissions control component to the Check Engine diagnostic. But if your Check Engine light flashes on and off, you know that it is more urgent and you need to get it checked immediately to prevent damage. You should slow down and avoid towing or heavy loads until you can get it checked out.

Your friendly and knowledgeable technicians at Tuffy Lehigh Acres have special diagnostic equipment that will retrieve the trouble code from the computer and help him determine what is wrong. From there, we can fix it and get you back on the road.

Stop by if you're Check Engine light is on.

Tuffy Lehigh Acres
1209 Homestead Rd. N
Lehigh Acres, FL 33936
239-303-0033

More articles from Tuffy Lehigh Acres

What You Need to Know from Your Tuffy Lehigh Acres Service Advisor

December 28, 2025

Lehigh Acres drivers may feel intimidated when they take their vehicles to a service center. They have questions but aren't sure how to ask. They don't want to feel embarrassed about their lack of knowledge. They don't want to make the service technician feel that they don't trust him.If your se... More

A Hot Mess (AC System-Compresser)

December 21, 2025

Air conditioning used to be a real luxury in a vehicle, but now it's standard in most. Your vehicle's air conditioning system is built to last a pretty long time, but like anything mechanical, sometimes it fails. It helps to know a little about how the A/C works. There's a compressor that press... More

It's Brake Time (Brake Calipers)

December 14, 2025

Race car drivers have demonstrated the advantages of disc brakes, so most modern vehicles use them. Sometimes just the front wheels have disc brakes, but many vehicles now have them all the way around. A major component of the disc brake is called a caliper. It works by squeezing brake pads ag... More