Check Engine Light Diagnosis?

Answer A "check engine" warning light isn't necessarily a sign that something serious or dangerous is going wrong with your vehicle. Cars and trucks today contain powerful computers that control and monit... Read More »

Top Q&A For: Check Engine Light Diagnosis

How Do I Check the Check Engine Light on a 2003 Chrysler Town and Country 3.8L?

Chrysler's 2003 Town and Country is a large-sized minivan with front-wheel drive. The 3.8-liter is the standard engine size, with a 20-gallon tank that gets 23 miles to the gallon on the highway. T... Read More »

What to Check First When a Check Engine Light Comes on?

There are hundreds of reasons why a "Check Engine" light may come on in your vehicle. Since the implementation of On-Board Diagnostics II (OBD II) in 1996, diagnosing the reason through the compute... Read More »

How do I Check My Check Engine Light in a 2003 Stratus?

The "Check Engine" light on your Stratus is tied into the vehicle's emissions control system and turns on when the Onboard Diagnostics, or OBD, senses something is amiss. Sometimes the light signif... Read More »

How to Check the Check Engine Light on a 1991 MR2?

If the "check engine" light on your 1991 Toyota MR2 is on, the onboard diagnostic computer has generated and stored "trouble codes." Once you retrieve them, you can use the technical service manual... Read More »