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P04021 Code re: EGR Insufficient Flow on Acura TL
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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
codes P1399 and PO301 I've replaced the EGR valve and the spark plugs but the car still miss fi...
Im and experienced mechanic 20+ years but this car has me baffled. Will run great for 5 to 10...
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