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EGR code 71

Tiny
JJHRHIH
  • MEMBER
  • 1994 LEXUS LS 400
  • 115,000 MILES
Set code 71, what are the ohm readings for EGR motor?
Sunday, May 5th, 2019 AT 5:05 PM

6 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

I have included the information that you requested in the diagrams down below. I have also included in the diagrams down below the location, testing, and factory diagnostic troubleshooting flowchart for Trouble Code 71. Please go through these guides and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Monday, May 6th, 2019 AT 1:14 AM
Tiny
JJHRHIH
  • MEMBER
  • 15 POSTS
Yes, thanks for information. I did check resistance at motor which was 25 ohms on all checks. I add that code 47 was included on check light codes, most of all these codes came on after alternator replacement and low fuel light stays on at any level. These all problems came on.
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Thursday, May 9th, 2019 AT 3:34 PM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello again,

I have included for you in the diagrams down below the information that you requested on DTC 71. Please go through the troubleshooting guide and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Thursday, May 9th, 2019 AT 6:33 PM
Tiny
JJHRHIH
  • MEMBER
  • 15 POSTS
It was the ECU !
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Tuesday, October 15th, 2019 AT 3:25 PM
Tiny
JJHRHIH
  • MEMBER
  • 15 POSTS
Idle air valve acting up? Do you have diagram of it with ohm readings?
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Tuesday, October 15th, 2019 AT 3:29 PM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello again,

In the diagrams down below I have included the general on vehicle inspection guide for your vehicle's IAC from the vehicle manufacturer. Please go through this guide, see if the IAC is working properly, and if not, please get back to us with what it is specifically doing. We can go from there.

Thanks,
Alex
2CarPros
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Wednesday, October 16th, 2019 AT 12:59 PM

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