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HELP- p1409 p1401 EGR system

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Old Jun 3, 2020 | 04:17 PM
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HELP- p1409 p1401 EGR system

I just bought this truck for my business and it’s throwing these codes.
it has poor but not bad idle and problems accelerating.
ive looked everywhere but I company seem to find the EGR system.
some threads say it’s not there Others say it is?
there are egr parts for it but I can find them al all.
really need some help!
thanks!
 
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Old Jun 3, 2020 | 07:25 PM
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It might help if you identify what you're working on.

 
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Old Jun 3, 2020 | 11:47 PM
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The codes are P1409 (egr vacuum regulator solenoid circuit malfunction)
and P1401 (Egr temperature sensor)

we can’t find the original EGR valve or anything in that system or where it would mount.

cant find any diagrams online or anything that I’ll help.
 
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Old Jun 4, 2020 | 04:02 AM
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You've been asked WHAT YEAR, MODEL & CHASSIS & ENGINE---we're not mind readers here!
 
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