how do I get the check engine light to go out after replacing the loose fuel cap

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Aug 3, 2014

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RepairPal Certified shops can diagnose and repair your 2004 Hummer H2. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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how do I get the check engine light to go out after replacing the loose fuel cap

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big yellow toy in Canton OH

Aug 3, 2014

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gordonduson Aug 4, 2014

IF the check engine lamp was on because of an EVAP leak, and you fixed it by installing your gas cap you will have to drive it a while to reset the monitors. Or, unhook the battery for about 5 min and reconnect it. However this will erase the "history" diag data making it more difficult for a technician to diag your concern.

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Popular Answer

What are the best Hummer repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Hummer H2. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.