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No Fuel Getting To The Injector


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#1 Elwyn

Elwyn

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Posted 21 April 2024 - 05:45 PM

Hello

 

1993 L reg

UK RHD

SPI Cooper

Manual

 

Background

I've changed the fuel pump

And the fuel filter

When I tried to start the car, it turned over, but didn't fire

The new pump was sending fuel to the hydraulic body / injector

The new pump was priming at almost every turn of the ignition key, which made me wonder if the fuel pressure regulator was at fault

I got a replacement from the wonderful Classic Mini NLA

 

Today

After changing the old for the new hydraulic body and reassembling everything....and having reset the stepper motor with the accelerator lever in the mid-point location and locked off.....

I tried to start the car.

But...

Just the same.

Fuel pump primes.

Stater motor spins.

No ignition.

 

Fuel ?

Because I'd been adjusting the accelerator cable adjuster and locking nuts, the air filter box was loose, placed to the left (all vac hoses still connected)

That gave me a clear view of the hydraulic body / the dish below the injector

All bone dry

The same fuel pump, filter, pipes etc that had fed petrol to the old hydraulic body I took off yesterday are now seemingly providing no petrol to the new hydraulic body today.

 

Questions:

Any ideas?

Things to check?

Has anyone experienced the same or similar?

 

Thanks

 

Elwyn

 

 

 



#2 genpop

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Posted 22 April 2024 - 06:09 AM

possibly the tubes on top of the fueltank are mistaken.You could take away the top of the pressure regulator.If the fuel poors out of the center hole (ignition on) they are mistaken.If it poors out from the side above the diaphragma they are connected right and the injector gets no current (earth). If you have no fuel at all, something is blocked or the pump is not comnnected to the tubes.






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