humm egr block off plate .I have an 05 any info would be greatly appriceated. My e mail is olychuckchuck@hotmail.com
Enthusiast
Egr
humm egr block off plate .I have an 05 any info would be greatly appriceated. My e mail is olychuckchuck@hotmail.com
Newbie
I happen to have an 03 LB7 and have had the darn P0404 code for several months now. I've replaced:
1997254
and
94459951
If anyone has anymore words of wisdom, I'd really appreciate it. Could I see that diagnostic chart?
is the EGR supposed to move? This weekend I was looking at it and couldn't budge it...
anyone?
Enthusiast
Have truck in dealer for noise after water pump replacement, belt off sounds goes away we think its the tensioner and are replacing that. Truck also had SES and tech says it has P0404 and P1404 wants to clean or replace the EGR valve. I am wondering if the EGR cooler needs cleaning, truck has 150k miles and usually runs light duty no heavy towing. Also wondering if EGR needs calibration.
Matt
mattb5150@hotmail.com
1993 K2500 HD ext.cab 4x4 - SOLD
2003 GMC K2500HD SLT EXTRA CAB/SB DMAX/ALLI, Bilsteins, Sulastic Shackles, Pitman & Idler braces, KD Headlight Harness, CAT filtration, Lift pump w/KD harness, Denali Door handles, Yukon exterior mirrors
2003 Yamaha Grizzly 660 Stoopider FAST
1996 VW Passat TDI 48mpg - SOLD
Administrator
It may only need cleaning. Tough call as to whether it's worth the effort or just write the EGR out of the programming....
Supporting Vendor
That would be my best suggestion as there are without a doubt more headaches coming.Originally Posted by More Power
Tough call as to whether it's worth the effort or just write the EGR out of the programming....
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Enthusiast
John, you have mail!!!!!
Matt
mattb5150@hotmail.com
1993 K2500 HD ext.cab 4x4 - SOLD
2003 GMC K2500HD SLT EXTRA CAB/SB DMAX/ALLI, Bilsteins, Sulastic Shackles, Pitman & Idler braces, KD Headlight Harness, CAT filtration, Lift pump w/KD harness, Denali Door handles, Yukon exterior mirrors
2003 Yamaha Grizzly 660 Stoopider FAST
1996 VW Passat TDI 48mpg - SOLD
Enthusiast
P1404
Can someone elaborate on what is happening when the 1404 code is thrown? Is the EGR not opening correctly? Also I know the EGR on this truck runs off the vacuum pump. Is there anything else that runs off the vacuum pump? If the pump were failing would it cause this code to be thrown?
Matt
mattb5150@hotmail.com
1993 K2500 HD ext.cab 4x4 - SOLD
2003 GMC K2500HD SLT EXTRA CAB/SB DMAX/ALLI, Bilsteins, Sulastic Shackles, Pitman & Idler braces, KD Headlight Harness, CAT filtration, Lift pump w/KD harness, Denali Door handles, Yukon exterior mirrors
2003 Yamaha Grizzly 660 Stoopider FAST
1996 VW Passat TDI 48mpg - SOLD
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