2004 Ford E Series Van While Driving Ac Onfront Back Accelrate Vents Shut Down

2004 FORD E-SERIES VAN
94,000 MILES
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while driving with ac onfront and back as i accelrate ac vents shut down go to dashboard rear heat goes on on floor when i let off gas ac returns to normal any help to fix matter is appreciated john
Oct 18, 2012 at 1:00 AM
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ASEMASTER6371
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there is a vacuum check valve under the hood that is supposed to keep that from happening. have it checked to verify it is working

Roy
Oct 18, 2012 at 2:53 AM
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