andymostro1989
New member
...with the code P0400? my car have the check engine light on like a year ago. The car run nice the only thing that i notice is that the fuel miles when down. How can i know if my EGR Valve is not working? and i have to clean the egr port? what can i do to fix this problem without spend a lot of money? or i have to check the vacuum line? can someone help me please