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| Engineering/ Technical Ask technical questions about cars. Do you know how a car engine works? |
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#1
11-26-2007, 03:51 PM
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Check engine light
Hello Im new to this site.My problem is ,I replace my airfilter and forgot to put the cover back on last night. After taking off for work this morning the check engine light came on.I put the cover back on but the light stayed on.How can I reset the code without having to take it to the dealer or to a shop.
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#2
11-26-2007, 04:02 PM
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Re: Check engine light
Welcome to the forum! Year, make, model would be helpful. Autozone and Advance Auto parts will check the codes for free. Depending on the capabilities of their scan tool, might be able to reset the ECM as well. Before they reset it though, get the codes, then post them here.
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#3
11-26-2007, 04:06 PM
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Re: Check engine light
Thanks for the reply Oldmaster.The car is 2002 GMC Envoy.All I did was left the air intake cover off and now the check engine light/service engine soon light came on.
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#4
11-26-2007, 04:11 PM
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Re: Check engine light
DTC's will clear and the light will turn off by itself if the ECM does not see the problem for a certain number of drive cycles. It might take a few days though. The Advance store in Linden should be able to reset it for you immediately, but, get the codes and post them here.
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#6
11-26-2007, 04:17 PM
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Re: Check engine light
It will turn off the SES light if there are no problems, but it will NOT reset the ECM.
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