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What Do Car Trouble Codes Really Mean?

Your vehicle has a problem if the check engine light (CEL) glows. Diagnostic trouble codes (DTCs) stored in the computer help find the cause.
Tire Business

Acura vehicles may need software updates

Acura reports that some 2007-08 TL Type S models may turn on the check engine light and store trouble code P0171 and/or P0174 in the PCM. If there are no drivability symptoms associated with the ...
Motor Trend

Truck Trend Garage: 2001 Dodge Durango Runs Rich

Question:I have a 2001 Dodge Durango 4x4 with the 4.7-liter and an automatic transmission. I received code 171, replaced both oxygen sensors, and checked the vacuum system and catalyst. The code ...
Tire Business

Vacuum leak may be cause of Lancer's check engine light

Some 2004-06 Mitsubishi Lancer models with 2.0-liter engines may run rough and illuminate the check engine light. When you hook up your scan tool, you may find trouble code P0171 (lean exhaust) stored ...