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My CEL just came on a few days ago. ISTA+ gave the same code as Alexandre0 mentioned: "80518A Metering line heating, activation: Line disconnection"
ISTA+ suggested to measure the resistance across the heating element. I checked and got a reading of ~1kohm, so I'm assuming this line needs to be replaced.
I called dealership about the replacement metering line (PN 16197421420). They said the line was not compatible with my VIN and that the PN was a european number. They can't even find the equivalent part in their system. We went back and forth several times sharing diagrams by email. They just have the coolant lines from the engine. To top it off, I can't read the PN on the line under my car... the tag is worn off. Any suggestions?
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