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2005 GC engine code P0404

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Old 03-26-2008, 11:15 AM
D0TC0M D0TC0M is offline
Join Date: Apr 2007
Posts: 23
Default 2005 GC engine code P0404

Can someone shed some light on what the causes could be.

I know its an EGR sensor performance code. It says that either the travel or flow in the EGR system is abnormal. The dealer tells me that its the EGR valve. He says its common and it will have to be replaced. I know these valves get carbonned up. Is there a way to clean them? Is it hard to change? Any other possibilities? I can do the changes myself but I really don't want to buy an EGR valve if its not the problem. How can I make sure the EGR valve is defective before replacing it?

By the way the van only has 64000km / 40000mi
2005 Grand Caravan Stow n Go
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Old 03-27-2008, 10:49 PM
RickMN RickMN is offline
Join Date: Jul 2007
Posts: 290
Default RE: 2005 GC engine code P0404

The dealer is right. Very common failure. Here's an article on it: EGR
I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology.
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