1990 Mercedes-Benz 560SEL Q&A

1990 Mercedes-Benz 560SEL Question: My 560 sel starts very hard especially in colder weather or after it sits .

If you hit the air intake with a dab of either it starts and runs perfect. Also starts great after warmed up, it seems to have low fuel pressure on cold starts -
Answer 1
check your fuel pressure when it is cold -
Comment 1
Fuel pressure is very low if any until the motor really gets cranking or engine is warm then it is fine. Waht would correct that situation? -
Comment 2
a new fuel pump -