Under Bonnet Pump continully running

[Hootbleet]

I've ordered a pierberg UBP to replace my current one, which is continuously running even with the ignition off and key removed. I'm assuming something has gone wrong inside the pump, but just to put my mind at rest is there anything else within the car systems that would make it continuously run?

I'm only asking this because even after I've pulled the electrical connector off the pump to stop it running, there's something that is draining the battery.

Thanks
Graham

[rustymotor]

Hi, why do you think it's the pump?

[Hootbleet]

Originally Posted by rustymotor

Hi, why do you think it's the pump?

Because it is running continuously. But I'd like to know if there is anything other than a fault inside the pump that could be causing it to run all of the time.


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[FrenchMike]

It's not the pump IMO ....check the relay rather (common with the ITP)

Mike

[Hootbleet]

Originally Posted by FrenchMike

It's not the pump IMO ....check the relay rather (common with the ITP)



Mike

Where would I find that relay Mike? And (excuse the bad grammar &#128521 where would I get a new relay from? Thanks Mike

[Hootbleet]

This is what the Haynes manual says about the relay location, however below is what I've found



I pulled out the lower left relay, and I'm not sure if you can see in the photo, but there is a coating of diesel all around the lower relays and lower section of the fuse box.

Anyone know which of the 4 relays is the fuel pump one?

[madeupname]

Hi, that is the later fuseboard, the manual might be talking about the earlier fuseboard which is a completely different animal. I don't know enough about relays but isn't it marked on the diagram under the lower facia trim panel you've just removed?

[Stickman]

I could be wrong buddy but I think the diesel in the fuse box is as a result of the fuel pump running continuously - the fuel naturally tracks down the bulkhead and into the car via the fuse box
Which would mean the relay is in fact at fault-sorry I've no idea which one it is
Suffice to say when you replace the faulty relay normal service will be resumed
Regards
Chris

[Hootbleet]

Originally Posted by madeupname

Hi, that is the later fuseboard, the manual might be talking about the earlier fuseboard which is a completely different animal. I don't know enough about relays but isn't it marked on the diagram under the lower facia trim panel you've just removed?

Yeah its a facelift model and there's no diagram to be found anywhere. The haynes manual only show pre=facelift wiring diagrams

[Hootbleet]

Originally Posted by Stickman

I could be wrong buddy but I think the diesel in the fuse box is as a result of the fuel pump running continuously - the fuel naturally tracks down the bulkhead and into the car via the fuse box
Which would mean the relay is in fact at fault-sorry I've no idea which one it is
Suffice to say when you replace the faulty relay normal service will be resumed
Regards
Chris

That's exactly my conclusion for where the diesel is coming from. I'm hoping that if I have the pump running, I can just pull each relay in turn and the pump will stop once I pull the correct one out. Bit late to do it tonight in the rain though