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2020 Cadillac CT4 - V AWD White
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Discussion Starter · #1 ·
Driving home tonight just got a random evaporation emissions system - immediate action message?? Has anyone experienced this? Checked fuel latch ( all good ) Checked everything in the engine seems normal.. Any suggestions?
 

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had exhaust bank 1 replaced under warranty a couple of months ago, as of tonight engine light has come back on saying emissions system again.
 
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