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  1. Volkswagen Passat B5 Discussion
    P0456 fault...but with misfiring--UPDATE!! P0456 code came up a week ago and Sipes216 has been trying to help me figure out what the deal is. We're stumped Symptoms.....engine stumbling at idle. Drop from 800 rpm down to 600 and rapidly back up...consistently over and over, in conjuction from...
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