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Help ISTA codes
Hello
I made a coolant flush following the instructions from ISTA on my F20 and after, I have an error code on ISTA :
S 0797 EGR has to be checked! Leakage suspected.
The EGR has already been replaced and at first glance it doesn’t seems to leak any coolant. The coolant level didn’t drop and I dont have white smokes
Anyone can tell me how to fix S codes in ISTA ?
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