How do you fix the EGR valve associated with a check engine light error code P0401 on a 1999 Acura 3.2 TL?

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It's not the valve. I've never worked on an acura. but it's not the valve. they rarely short out. check the passages, and the vacum pump. hopefully someone with acura experience comes along. good luck.

Ok this guy is a clown. I have never worked on an acura either but it may verry well be that the egr valve is coverd in carbon. The carbon is easy to clean with a wire brush if you remove the valve.The main cause of malfunction in an egr valve is the carbon build up leaving it stuck open or closed! Simple huh?

i have a 99tl that had the same problem. simply remove the intake and clean the carbon from the passages to egr. it not difficult, it took about 15 mins and have not had trouble since, good luck!

First answer by ID1197496504. Last edit by Sparco. Contributor trust: 0 [recommend contributor]. Question popularity: 66 [recommend question]

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