Wednesday, December 30, 2020

EGR on and off

Does anyone know if the EGR on 07ML320CDI can sometimes work and other times not? How does one know if it's the actual EGR that is going bad? I thought if it's bad, it won't work. However, when I push the valve down, it goes to working fine for a while and then back to limp mode. Has anyone dealt with this issue and what was the solution?
Does anyone know if the EGR on 07ML320CDI can sometimes work and other times not?
How does one know if it's the actual EGR that is going bad?
I thought if it's bad, it won't work. However, when I push the valve down, it goes to working fine for a while and then back to limp mode.
Has anyone dealt with this issue and what was the solution?

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