[aode08]

ok gang,

what should my fuel pressure, be? its an 1987 300e?



I AM GONNA CHECK THAT BEFORE I ORDER ANOTHER FUEL DISTRIBUTOR.

The guage is hooked up to the fuel line on the right(towards the driver side).


Now , One question, there are 2 fuel lines, the only one with pressure is the line toward THE FIREWALL. Not the one onto the regulator.

 

[aode08]

Talking my findings
My findings are that while reading the fuel pressure(rear fuel dis hose alone), the single line(from both fuel pumps of course, linked to this one line), my meter read 170+psi of pressure

BUT VERY LITTLE FUEL CAME OUT THE GUAGE RELEASE VALVE

So upon investigation, I removed the fuel filter line, and cruddy(brown) looking stuff came out.

Replaced the fuel filter and fresh gas,

NOW I HAVE A LOT OF FUEL SUPPLY BUT LOW PRESSURE, THE PSI IS ONLY 40, BUT A LOT OF FUEL COMES OUT THE RELIEF VALVE.

Proper PSI is 79 , I also have fuel at the top of all lines at the distributor, and some at the injectors, not enough pressure to drive the injectors.



At this point, Im highly suspecting both fuel pumps are in need of replacement, since when tested, they have 12 volts+ but only supply 40psi of pressure together, when one should be 40+psi, the other 40+ psi =80+


Be patient guys my back is sore and we will get to the bottom of this.Im not giving up, until its running!

 

[aode08]

ok we got both fuel pumps replaced, they too were bad!

even though they power on when the key is on, there is not enough pressure to drive the fuel distributor,

BUT WHEN I JUMP THE FUEL PUMP PINS OR POWER THE PUMPS DIRECTLY, THE FUEL DISTRIBUTOR NOW WORKS FINE, ALSO I HEAR "OTHER ITEMS" STARTING TO FUNCTION WHILE THE PINS ARE JUMPED, MEANING THIS IS A MULTI PURPOSE RELAY NOT JUST A FUEL PUMP RELAY.

A new fuel pump relay is in order and ill update you guys on the situation

 

[jonbobshinigin]

Well

I just went through this...have you done any adjustments to the Air/Gas Mixture underneath the air cleaner?

 

[aode08]

no, im getting fuel from the injectors, to add to my list of issues, the second cylinder from the front shows 0 compression, !

Son of a !!!!!!!!!

As hard as it was to put this motor in, my friend screwed me!!!

I dont know if I want to replace or rebuild, or junk this car now.