I HAVE A IT WON'T START I HAVE REPLACED RELAY TO FUEL PUMP BUT STILL NOTHING. ANY OTHER SUGGESTIONS
1995 BMW 525i • 160,000 miles
The car just doesn't start
How do you know it is the fuel pump system? Did you have it diaged or is it a guess
Have a helper get underneath and listen to the fuel pump while you turn key on-is it humming? If so -check the fuel pressure and injector pulses
I have checked the fuel pump and it has the proper amount of pressure. Could it be the main relay or something electrical
Check for compression first. You need to start at basics. Then go to speark, check for spark at the plugs.
You said the fuel pressure is good-again are the injectors pulsing meaning being snchronized by the computer providing fuel into the cylinders
We had pressure in the fuel pump yesterday and now it isn't registering anything.
Check/Test fuse no.18 15amp, fuel pump relay and fuel pump relay control circuit of the computer
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