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Intermittant OBD 2 failure
Posted to Technical Discussion Forum on 5/9/1999 14 Replies

Here is a 1999 Fullsize Chev Truck with a MIL that illuminates about every 600 miles. P0446 is the only DTC set.

I'm not going to tell you what a DTC P0446 means. Instead, I would like someone to tell us from an aftermarket source such as Jendham.

How did ... Login to read more.

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