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Re: what to watch for to change map sensor
wow this is bad... my brother has the same year avalanche (2WD version) & it needed a transmission already? how many miles on it?
who changed out the transmission? maybe they cut/pinched some wires in the process; i'd try to check those circuits mentioned before changing out parts
transmission is electrically controlled; i'm guessing it's a vent hose but i don't have my brother's truck here to crawl under and check for you
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