CEL 0670
12-11-2015, 01:04 PM
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2008 GL 320 CDI
CEL 0670
Sorry folks please disregard my previous post I couldn't read my own code I had written down the post should have read-Hi all, I got a CEL and the code came up P0670-glow plug controller/glow plugs. The codes P0671-P0676 are all for seperate glow plugs but my question is will the P0670 still come up if one glow plug is bad ? The plugs seem to be cycling fine so I don't think the controller is bad and the car still starts well (according to my wife ) My first plan of action is to start by testing each of the glow plugs. Anyone with some "been there done that" have any other ideas ? Thanks, William
08-24-2016, 08:30 PM
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GL 320, 993TT, BMW 550XI
I had the same code and replaced the glow plug controller. Erased the code and will see if CEL comes back. The new part is much smaller than the one replaced.
