C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

re-seting "check engine light"

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Old Jul 10, 2005 | 12:55 PM
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takovr
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Default re-seting "check engine light"

I took off my MAS and now my check engine light stays on is there a way to re-set it so it dosen't stay on?
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Old Jul 10, 2005 | 02:08 PM
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From: Hanging out back with the dark horses. Wa.
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If your talking about resetting the ECM..... to clear codes.......

with the key OFF
disconnect the neg (-) power to the battery for about 30 seconds.

or with the key OFF
pull the ECM fuse in the fuse box for 30 sec. That should do it.

If your talking about the fact that you have totaly removed your MAS as some kind of Mod then you will need to just bypass it, pull the CEL bulb, or just live with it.
Each time you fix something that goes through the ECM you should clear and check it to see if you fixed it. Replacing parts and not clearing codes will get $$$$$$ Jeff

Last edited by sniperdiver37; Jul 10, 2005 at 02:11 PM.
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Old Jul 10, 2005 | 02:11 PM
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Default I just took it off to clean it

I just took off my mas to clean it, put it back on now my check egine light stays on I have a 86 vette
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Old Jul 10, 2005 | 02:13 PM
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From: Hanging out back with the dark horses. Wa.
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Make SURE it is connected correctly. and reset the ECM.
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Old Jul 11, 2005 | 02:11 AM
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From: St Louis MO
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Originally Posted by sniperdiver37
Make SURE it is connected correctly. and reset the ECM.
Follow Sniper's advice in both posts. After you disconect bat and reset, if SES comes on again, pull code. Could be MAF, relay(s), or another problem that coincidently came up at same time you were working on MAF.
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