obd ll code p1639

2002 PONTIAC FIREBIRD
87,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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BILLMILL5050
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why isn't there a p1639 in the code page what is this? my check engine stays on.it was coming on then going off.. my ac the clutch is running but something else is cutting on and off instead of ac clutch ?
Aug 30, 2016 at 12:21 PM
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WRENCHTECH
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Duplicated question ,-,-,-,-,-,-,-,-, flagged for removal
Aug 30, 2016 at 3:04 PM