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HHollywood 2 replied to the thread My current fuel trims - idle, 2000rpm, 3000rpm all no load.Not sure if yours is flex fuel. I have a 2007 avalanche and it has been giving me fits with Stabilitrak needs service. Spent almost...
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HHollywood 2 replied to the thread 2021 5.3L Tahoe Alternator voltage?.Just replaced the alternator for my 2007 Avalanche thinking the same as you. I finally bit the bullet and took it to a good mechanic and...
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