406 2.1DT bad starting

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macaroni
Posts: 301
Joined: 24 Sep 2003, 13:35

406 2.1DT bad starting

Post by macaroni » 23 Dec 2003, 20:02

Now the weather has turned a bit parky, my 406 has become difficult to start. I have replaced the battery and glow plugs, to no avail. It is OK during the day once it has run, but in the mornings it take 4 or 5 goes to get it going.
Has anyone had to replace the glow plug relay on one of these?
Any other ideas?

arry_b
Posts: 519
Joined: 10 Dec 2002, 16:55

Post by arry_b » 24 Dec 2003, 21:04

Before you spend any more money - check that the relay isn't already working. A cheap 12V multimeter getween the glowplugs and earth should display a positive reading while the glowplug light as on and for a while afterwards. Incidentally Lidl supermarkets are doing a suitable one for £3.99 this week.
Also try pumping the diesel primer until is goes hard before the first start of the morning. If that helps check for air leaks in the fuel system rather than an electrical problem.