No need to replace the EGR Valve when this code appears; the valve itself is still good. The code appears because the flow is insufficient. Clean out intake manifold as shown here: http://www.youtube.com/watch?v=bOnoJFiwDKw
Problems for specific Acura TL years:
Car problem reports
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Newest reported Acura TL problems
If one of the power window motors is not very strong, and the window moves slowly. Operating the windows with the engine running will help take some of the stress off the motor and prolong its lifespan.
A squeak type noise may be noted when raising or lowering the front door glass. Our technicians tell us that in most cases this issue can be corrected by replacing the door glass seal.
The exhaust manifold commonly fails on the 5 cylinder engine and may develop an exhaust leak that is especially noticeable when the car is cold.
The green "Drive" light on the dashboard tends to burn out, requiring replacement of the burned out bulb.
I found out that at only 83000 miles my TL had to have the engine mounts replaced already at a cost of almost $800.00