Troubleshooting codes

Tiny
GODAWGS400
  • MEMBER
  • 2001 ISUZU RODEO
  • 4 CYL
  • 2WD
  • AUTOMATIC
P0405 code on a 2001 isuzu
Wednesday, August 3rd, 2011 AT 4:14 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This code is for a low voltage on the EGR.

I am attaching the testing that we need to run through in order to figure out what the issue is. However, we need these couple of guides to help do this type of testing.

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please see the info below on the description and testing that you need in order to figure out what the issue is.

Let us know what questions you have, and we can go from there. Thanks
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Wednesday, November 3rd, 2021 AT 7:30 PM

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