I've run into a recurring situation with my '85 300TD. It's hard to start when the engine is cold. The outside temperature does not appear to make a difference. When the engine is warm there is no problem.

If I pump the fuel primer pump about 50 times the car will eventually start when cold.

I've performed a valve adjustment, replaced the fuel filters, and verified the battery but this doesn't appear to have helped. There is nothing leaking onto the ground.

Any suggustions as to the problem?

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JWJ
1983 MB 300D - > 430,000 miles - Deep Blue - Bilstein Comforts - 0-60 in 24 seconds - 27MPG
1985 MB 300TD (wagon) - > 275,000 miles - Manila Beige - Thule rack - 0-60 in 18 seconds - 22 - 25MPG
Biodiesel, Mobil Delvac 1, and Viton fuel lines!