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Pull the negative battery cable off and let it sit for about 20 minutes. This will reset the computer and the SES code, unless it is a hard code. Then it has to be cleared by the dealer.
Look around the engine good on both side for loose connectors or vacuum hoses. New plugs shouldn't make the SES light come on unless you forgot to plug something back up.
Originally posted by LTNBOLT Look around the engine good on both side for loose connectors or vacuum hoses. New plugs shouldn't make the SES light come on unless you forgot to plug something back up.