We have been working all week on this!:) Changed out the following:
fuel pump, filter, rubber hoses.
ignition module, coolant temp sensor, plugs
fuel pressure regulator, had injectors cleaned and flow tested
changes out the afm to a 1986 325e just to see if it would make a difference...nope
Now the problem.
Car starts if I give it a bit of throttle, but runs very rich, until the plugs foul and then runs bad; very bad
But if I pull the fuel pump fuse and run the car on residual pressure, it runs good; 750 rpm and no smoke :pretty smooth....until it runs out of fuel in the rail.
We have checked the omhs, on the coolant sensor and at the ecu.
We checked timing and the timing belt marks with the distributor; all is fine.
Car will not idle without throttle, but seems to run better if we pull the valve cover vac hose off the intake.
Checked wires, plugs, plugs are new,
Only thing we have not checked is the tps(throttle position sensor, but I can hear it click when the throttle opens.
ok, sorry for the long post, but we have run out of ideas, vac leaks have been checked, so no major hoses off and everything is tight.
Anyone have the same problem?
thanks, jm
oh, and 5 gal of gas in the tank, I drained the 2 gal of bad fuel from the tank.
fuel pump, filter, rubber hoses.
ignition module, coolant temp sensor, plugs
fuel pressure regulator, had injectors cleaned and flow tested
changes out the afm to a 1986 325e just to see if it would make a difference...nope
Now the problem.
Car starts if I give it a bit of throttle, but runs very rich, until the plugs foul and then runs bad; very bad
But if I pull the fuel pump fuse and run the car on residual pressure, it runs good; 750 rpm and no smoke :pretty smooth....until it runs out of fuel in the rail.
We have checked the omhs, on the coolant sensor and at the ecu.
We checked timing and the timing belt marks with the distributor; all is fine.
Car will not idle without throttle, but seems to run better if we pull the valve cover vac hose off the intake.
Checked wires, plugs, plugs are new,
Only thing we have not checked is the tps(throttle position sensor, but I can hear it click when the throttle opens.
ok, sorry for the long post, but we have run out of ideas, vac leaks have been checked, so no major hoses off and everything is tight.
Anyone have the same problem?
thanks, jm
oh, and 5 gal of gas in the tank, I drained the 2 gal of bad fuel from the tank.
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