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2002 gmc envoy_sle
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Discussion Starter #1
If I drive on interstate for a couple of hours sometimes it’s like engine almost dies speed drops if I pull over let it set for 5 minutes can restart an it’s fine for a while than it happens again if I drive slower it seems to be fine code that comes up sometimes is po1345 I’ve changed all sensors that this pertains to not sure what else to do
 
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