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Same code
2BD800 changeover valve for low temperature EGR cooling: change in coolant temp after changeover too low
I’ve changed the following that were not working
Changeover valve
EGR aux pump
Both temp sensors
Vacuum solenoid control valves
Vacuum lines
No coolant loss at all.
I had the low temp EGR cooler replaced under warranty about 20k miles ago too, that’s when the code started.
So it might be the EGR cooler itself. I’m not sure what changes the recall made, if it was hardware only or software too.
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