Quote:
Originally Posted by steffen707
So i went out and drove 70mph on the highway in 4th again and the check engine light came back on. I hooked the EGR back up and I hooked up my vacuum gauge to the EGR and went 70mph in 4th again and low and behold every so often it sees vacuum when the black box activates the EGR. I was also able to see the egr work when you cruise in 2nd or 3rd gear at a high rpm.
As I expected though, through normal driving when I always coast in 5th gear I never saw vacuum on the egr, leading me to believe that the EGR rarely is used on the d15z1.
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Wow Steffen Excellent work !! I fixed the leak on the egr valve on my vx and I will now go through the tests in the manual to make sure the system tests out. Then I will drive like in your example and we will see if a totally stock vx does the same thing.
Maybe someone else with a vx could do it also. Hx might be different but would still be cool to know if leanburn cruise uses ANY egr at all.
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