why does my van stall out when going up hill i stop restart then engine will rev up slowly to full throttle

2000 GMC SAFARI
22,000 MILES
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only happens shortly after cold start when going up a good grade
Nov 30, 2011 at 7:38 PM
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RASMATAZ
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Start by having the exhaust system checked for restriction-Also refer to this link:http://www.2carpros.com/articles/engine-hesitates
Nov 30, 2011 at 7:47 PM