EGR Valve (Value in Replacing)

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I'm swapping a new to me 3FE into my new to me cruiser. The original engine has 275k miles. I'm putting the accessories onto the new engine and completing the 3FE tuneup that is in the FAQ. I bought all parts in the tune up FAQ except for the EGR Valve. However, I did not buy this component because it was something like $176 bucks.

I did read in the MUD Search where there is an easy test to conduct on the EGR Valve once the engine is running, but I also know that these things wear out pretty quickly by 3FE standards.


Can someone tell me if there are merits to replacing this valve and is it worth the money, or should I just plan to roll with the old one and deal with it later. To be totally honest, I don't really understand how this valve effects engine performance. This truck is in SC, not Cali.

Thanks.
 
I'm swapping a new to me 3FE into my new to me cruiser. The original engine has 275k miles. I'm putting the accessories onto the new engine and completing the 3FE tuneup that is in the FAQ. I bought all parts in the tune up FAQ except for the EGR Valve. However, I did not buy this component because it was something like $176 bucks.

I did read in the MUD Search where there is an easy test to conduct on the EGR Valve once the engine is running, but I also know that these things wear out pretty quickly by 3FE standards.


Can someone tell me if there are merits to replacing this valve and is it worth the money, or should I just plan to roll with the old one and deal with it later. To be totally honest, I don't really understand how this valve effects engine performance. This truck is in SC, not Cali.

Thanks.

Typically an EGR is supposed to help emissions and fuel efficiency. Basically it's akin to Bear Gryll version of 'water' when he's out in the wild with no supplies, i.e. the car is reusing some of the exhaust which the EGR valve recycles back into the air/fuel intake to be burnt up. I would imagine getting only fresh fuel/air without a chunk of it being previously used up air and some fuel would yield better raw power, but at the expense of worse emissions. If your state doesn't do a smog / stick up the rear test, then maybe you'll be OK. However upon visual inspection they may or may not notice it depending on the location.

But I'll let a real expert chime in as this is just what I've read across the internets.
 
X2 with Nash, I've cleaned mine and it was an easy job. I applied a penetrating lubricant, to the bolts, for two full days before I attempted the cleaning process. The valve was filthy and definitely needed attention.
 
Great. Thanks for the help. Just checked the vacuum and it's working which is good news. Now to find the culprit. California smog hurdles never end
 
if you have to play in the emissions game then you would be well served to replace / clean the EGR... and any other emissions equipment that is on the engine while you are in process of the swap....far easier to swap parts off the engine before it gets installed.
 
if you have to play in the emissions game then you would be well served to replace / clean the EGR... and any other emissions equipment that is on the engine while you are in process of the swap....far easier to swap parts off the engine before it gets installed.
Good call. Appreciate the feedback. Going to check all the vacuum system . Seems like the valve is working ok so I will get the big picture and go from there
 

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