EGR problems

[zero18]

hopefully someone can help with this because im stuck..

2002 Lincoln LS 3.0 V6

Codes - P0401 EGR flow insufficient & P0402 EGR flow excessive

Replaced - DPFE, Vacuum Regulator & EGR valve.

I also blew out vacuum lines to all components.

Any help would be appreciated...

 

[Quik LS]

in your last post your were only getting P0401 - when did the P0402 start?

 

[zero18]

after i changed the EGR valve yesterday.

 

[babbster]

I no longer own an LS but I had that same problem. My issue was a 3 dollar gasket that goes between the EGR vavle and manifold?. Just replace it and see what happens, your local parts store should have it in stock. Hope that works...keep us posted.

 

[zero18]

new gasket with the new EGR valve....