I HAVE AN ACURA 1999 TL. OVER THE WEEKEND, THE ENGINE LIGHT CAME ON. IN MY OWNERS MANUAL ITS CALLED A MALFUNCTION INDICATOR. I TOOK IT TO AUTO ZONE SO THEY COULD TEST IT. THEY COULD NOT FIND WHERE TO PLUG IT IN TO CHECK TO SEE WHATS WRONG. ANY HELP?
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To reset check engine light... Disconnect the ground (black wire) from the battery. Wait for at least a minute for the computer to reset, then reconnect the ground. Start your car, and the light should not come back on.
The first thing I usually do when seeing a malfunction indicator light on, is to have it scanned with an OBD-II scanner available from Sears, Walmart, or a local auto parts store such as Autozone or Advance Auto Parts. Some auto parts stores will scan it for free.
Click my screenname and go to my tips and tricks. There's one in there about saving the labor charges on having the computer scanned. Follow that and post your code results here so we can figure out why the light is still on (chances are something is wrong that will require active intervention).
look in your owner manual to see if it tell you how if you do not have one try this website to see if you can down load one www.edmunds.com and you can try taking the postive side off the battery for about 3secs make sure it not going to set a code to lock out your radio.here is another website www.alldatadiy.com
You can turn off the Check Engine light by either disconnecting the battery or by using a code reader to clear the codes. However, if the problem still exists it will come right back on. Instead you should get the code read, find out what the problem is, and fix it. Your local autozone or checker auto parts store will read them for free.