Quote:
Originally Posted by ChicagoTommy
What? You need to explain, or post a link or something.
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My V6 and a few other's in the local region club had this similar issue when the temps dropped and rose during the winter months for years. Ours said misfire on cylinder 6 of course dealerships couldn't replicate what a surprise someone actually did the recommended dealership adjustment and replaced all his ignition coils.... it may be tune related but we found alot of water evidence in the oil so we all chalked it up to excessive condensation causing misfire issues. It's clear these cars ingest a ton of condensation through the vacum lines from catch can posts like i said i may be wrong but it happened with the older model 5th gens no reason for me to believe it couldn't be related. No CT i have no images and I'm so waiting for the pushback on that part from our certified chevy technicians...