3 people reported this problem
P04021 Code re: EGR Insufficient Flow on Acura TL
2 people shared problem details
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
1999 Acura TL- 3.2L V677,000Visitor
Fixed once code still comes up
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...
how do you put the code in to start the radio
code p0780 does any bodywhat it means?