Q: My car drives great but the Check Engine Light has come on

asked by on October 18, 2016

The truck drives great however wrench light has come on.

My car has 104499 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

What should I know about driving on hills?
While there is no replacement for awareness when driving, there are a couple things you can do when you’re about to go up a hill: Shift to a low gear and stay at a slow speed while going up the...
Major oil leak
Hi. Large oil leaks can be difficult to pinpoint because they get all over the undercarriage. The best way to find a leak is to clean off the engine and then add dye to the system. Running the engine with...
Water pump squirting out water
It would appear that your water pump has sprung a gasket leak, and is leaking coolant. As coolant leaks can lead to overheating and engine damage, I would recommend having the leak addressed as soon as possible. A professional technician,...
How do I get my car's miles to show on the dash while the car is on?
Your car has a multi function display that can show mileage, trip mileage, service intervals, and other information. It sound like you may be having difficulty getting it to display what you want. Your car will either have buttons on...
What are the most common reasons my car won't start?
Be sure any engine immobilizer system (security system) is not activated, thus preventing the car from starting. "New" batteries are not necessarily fully charged when you buy them over the counter. Consequently, it has to be confirmed that the battery...
How do you avoid the upper and lower A arm bushings from melting on a 1970 GS 455?
Hi there - yes, this is a very large engine, in a moderately-sized place, with lots of heat transfer issues! As you suggest, heat shields, or wrapping the exhaust manifold (headers?) with "heat wrap" to keep the heat inside the...
Front passenger wheel is leaking brake fluid
Hi there. Thanks for contacting us today. One of our mobile mechanics would be more than happy to come to your location to complete a brake fluid is leaking inspection, so they can determine what is causing the leak and...
Car idles low after running, not the same amount of power, I suspect a bad vacuum hose.
You will need to have the computer scanned for codes to see if there is a problem with the idle control valve or engine has a vacuum leak. There is a standard diagnosis that will need to be done and...
I have a 2011 Jeep Grand Cherokee Limited, and sometimes when I start it, it turns over, but not without 2-3 seconds of hesitation
Hi Nicole. Thanks for contacting us today. The question I would ask you is whether or not you were having the starting hesitation issue prior to having the vehicle serviced - or if it happened after. If it's been an...

Related articles

When Does the Gas Light Turn On in My Car?
Going Going to the gas station is a chore and many of us wait until the gas light is on and the tank is nearly empty. But waiting until your fuel tank dries up is a bad habit, and the...
Mercury Certified Pre-Owned (CPO) Car Program
Drivers Drivers who are shopping around for a used Mercury vehicle may want to check out cars under their certified pre-owned program. Many manufacturers have a certified pre-owned (CPO) program, and each one is set up differently. Read on to...
Understanding the Mercury Intelligent Oil Life Monitor and Service Indicator Lights
Car symbols, or dashboard lights, are a car service reminder. The Mercury Intelligent Oil Life Monitor indicates when and what service your car needs.