I have a CEL and code P0380. Searching this forum points to the glow system. The glow light comes on for about 5 seconds or so before starting, and the car starts easily when it goes off. The glow light stays off, but the code has come back several times now after I cleared it (I thought maybe I didn't let the plugs glow long enough before driving, but I doubt that now).

I pulled the plug that goes into the relay socket and tested the continuity of each plug. They all show 1.0 ohm. So they seem OK.

What do I check next? Could my relay be getting flaky? Or can P0380 mean something else?

Thanks,

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Charlie

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'66 VW 1300 96K miles
'97 E300D 239K miles
'85 300D 203K miles (sold Sep 2012)