Hi,

I have the same readout but my X ('06 4.4) has a cold start issue. It doesn't always happen but when it's cold out and I start it first thing in the morning it starts really rough and the engine (whole car) shakes for about 20 seconds and then smooths out. The "Service Engine" light blinks and stays on.

Apparently this is a design flaw in the 4.4 X's and some of them have this nagging issue. My local indi quoted me about 3K to fix the issue but also stated that it doesn't have to be fixed if you can live with the "shakes" here and there.

Do a quick search, you'll find a lot of info on this.

Good luck!

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'06 4.4i 215 ferric gray 20" replicas