Thread: 2003 H2 Loss of power while driving
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Old 01-22-2008, 02:19 AM
RUaH2Lover RUaH2Lover is offline
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Default 2003 H2 Loss of power while driving
Hi,

Looking for some help. I have a 2003 H2 that I have not had any problems with until I upgraded my OnStar to digital last month. Ever since then the check engine light will come on for a second the engine will buck and the door locks open then close. This only happens intermittenly so it has been hard to explain to the dealer. The dealer claims this coundn't have any thing to do with the OnStar upgrade but can not find any problem. Has anyone had a similar problem?

Thanks,

Joe
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