My 1988 300E used to start immediately first thing in the AM. Now it needs to crank a few seconds more before its initial start. The rest of the day it's fine, even after 8 hours of sitting. If I crack the fuel line into the fuel distributor should I get an under pressure spray or just a fuel drip whilst engine is off?
Car has just over 100K miles and I recently replaced the fuel pressure regulator and I only use Bosch parts. Thanks.

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1988 300E