EGR and EVAP monitors

Tiny
LARRY PINCZKOWSKI
  • MEMBER
  • 2007 FORD FUSION
  • 61,000 MILES
I cannot get my EGR and Evap monitors to register, despite driving my drive cycle listed in my owners manual at least six times from an eight hour rest each time. I scanned my vehicle and sent a start command to test for vacuum leaks but that did nothing to fix.

I initially used my scanner to clear a trouble code for low coolant temperature ( either the thermostat was sticking open at times or the manufacturer put the wrong temperature thermostat in for the sensor ) After that I needed to pass emissions for plate renewal. It failed due to not ready for test. I drove it the drive cycle as stated in owners manual from a cold start each time, a total of six cycles. I cannot get two monitors to be ready and I can only have one not ready to pass. I sent command to start vacuum test (via scanner) but that did not change anything. My EGR and Evap monitors both show inc (not ready). What can I do? I already drove it over one hundred and fifty miles through those six cycles.

Great site!
Friday, February 10th, 2012 AT 10:40 PM

4 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
This code is set when the thermostat is stuck open which will cause the monitor not to reset. Here is a guide to help you see step by step how to replace the unit and diagrams below to show you how it will be on your car:

https://www.2carpros.com/articles/replace-thermostat

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers
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Friday, February 10th, 2012 AT 10:54 PM
Tiny
CHRISGRIFFIN
  • MEMBER
  • 1 POST
Thank you so much! Worked perfect the thermostat was wide open on my car.
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Saturday, August 25th, 2018 AT 6:53 PM
Tiny
PETEPETEPETE
  • MEMBER
  • 1 POST
I am in the same boat as you were. Did replacing the thermostat work for turning your evap monitor on?
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Thursday, December 27th, 2018 AT 1:37 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Yep it sure did, remove your thermostat to see if it is stuck open.
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Thursday, December 27th, 2018 AT 5:35 PM

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