Hi guys,
My 603 engine misses just a bit when I first start. My glows are on about 60 seconds before the relay turns off so it's definitely getting a good glow and it's not super cold this morning in Mid Missouri. I'd say 40 F or so. But the same has happened at around 55 to 60 degrees F. This seems not right to me. All 6 glow plugs measure ok (.8 ohms to 1 ohm each). I replaced the 2 bad ones (one open circuit the other 15 ohms). It's much better since I did that but man it's just not instantly smooth like I'd have hoped for. Any ideas?
Thanks!
Nick

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Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's.

where the wires begin or the plugs directly??
Double check the Ohm scale is zeroed, the last I remember the FM- 0.6 Ohm is a healthy plug. Also, store brand (other than Bosch or Beru) might not be best in these engines.

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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

Hi,
I had the same issues. After replacing the lift pump and bypassing the fuel heater even cold starts are instantly perfect (nearly no smoke)
After a minute or so little smoke is visible and at 800-1000 rpm i have such misses. The prefilter is collecting air and it is the time when this air is reaching the IP.
Air causes misses and idle smoke!

Greets Tom