The Family Handyman on MSN

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 ...