Question about 2000 Acura TL
The lights indicate that the engine (computer) control unit ECU has picked up sensor inputs that are outside of normal range. I would encourage, as a first step, you to have the diagnostic trouble codes (Pxxxx is the usual format for DTCs) read out from the ECU. Your dealer might do this for free, certainly Autozone can also do this for you for free. Do not just immediately buy the part that is indicated as in error by the DTC. DTC are great diagnostic helps but do not often pin point the part where the error has occurred. Get back to me with the DTCs and will give you my best assessment with explanations.
Posted on Feb 23, 2012
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Posted on Jan 02, 2017
You need to get to a repair shop and have them read the diagnostic codes (the computer port is in the center console under the change holder/lighter). With that amount of mileage, it is very likely the code will show that the oxygen sensors and/or catalytic converters need replacement. If that is the case you will also need a tuneup (plug, wires, etc). I had this done a year ago at 160,000 miles. It is a pricey repair but I get 29mpg at highway speeds and it runs nicely on regular (less power but no pinging).
Posted on Nov 10, 2008
Use an OBDII scanner, some auto parts stores will do this for you free of charge.
Codes P0300 through P0306 indicate mis-fire and you may also get codes reflecting Cat damage from running that way.
I know of one TL from this series (2000 3.2 TL) which had a warranty REPLACEMENT OF TRANSMISSION!!! free of charge and this very problem was solved. I still do not know why they were related. Talk to Acura customer relations about this.
Posted on Jul 09, 2009
On permanently on mine ... I was told to ignore it since it was detecting carbon levels or something to that effect and since it was so old that the light would keep on coming back on unless I changed something else which would be very expensive ... so I chose to live with the light on. (I just hope nothing else happens which would have notified me that something was amiss ;^)
Posted on Dec 16, 2009
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