Auto zone did a scan and says this is whats causing the check engine light.

Any simple steps to check this out further?
99 max 55k miles
runs fine

 

with no rudeness added, please read around because there have been more than 4 threads about this in the past 3 days...it is also discussed in the faq's in the stickies. goodluck and please look and read around.

 

Yes I had the same code -- I will be posting a comprehensive pictures and directions thread on how to clean the EGR tube. It will take time, but in my case the only thing I bought was fuel-injector safe carburetor cleaner. The code has been GONE for 500 miles.

 

Please do post

 

Posted!

http://forums.maxima.org/4th-generat...ing-p0400.html

 

theres a how-to in the stickies....

 

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