I've got a wierd problem I'm trying to track down and could
use some advice.
My 350SL won't start. Traced problem to no fuel. Checked
power at pump and found that the fuel pump was only getting
power for maybe 1/2 second when ignition was first turned on,
then it goes away. Tracked down the fuel pump relay, and sure
enough, it shuts off after being on briefly. Tried substituting a
known good relay and fuse....no change.
I then discovered the fuel relay is controlled by the ECU. Is there
a fault condition that the ECU detects that would turn off the
fuel pump? I don't think the ECU is bad because the engine
will run with a squirt of starting juice. There is no fuel under
pressure in the fuel lines, and plenty of gas in the tank.
This is driving me nuts. HELP!!!!