why do I have engine codes but no check engine light?

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Re: why do I have engine codes but no check engine light? [Re: guill] #886924 05/22/08 03:50 AM

Joined: Jan 2000

Posts: 12,153

N. California. USA

4Crawler

Web Wheeler

Only hard errors will keep the CEL on all the time. Many intermittent codes only flash the light (when the problem happens) and stores the code for later retrieval. But they should clear with the battery disconnected, maybe there is a problem with the ECU's trouble code memory.

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Entire Thread
Subject	Posted By	Posted
why do I have engine codes but no check engine light?	guill	05/22/08 03:46 AM
Re: why do I have engine codes but no check engine light?	4Crawler	05/22/08 03:50 AM
Re: why do I have engine codes but no check engine light?	guill	05/23/08 04:00 AM

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