Non starting Chim ! - Fuel Pump Relay ?

[teamrecon]

Hi everyone,

Suns's out, roof off, get ready to go to work and :

Fuel pump not priming, but the engine turns over. Tried slapping the dash etc but no joy.

Had to go to work, so left the Chim till later. Reading through here, my thoughts are the fuel pump relay, or fuse ?

What I am wondering is do the relay's have a code on them, I understand I can get a replacement from Maplins. Thanks in advance, will be looking at the problem later.

Neil

[quattrophenia]

I have just replaced my fuel pump relay and it did give similar symptoms to what you describe. Mine would fail when it got hot and not allow the fuel pump to prime/run. As it cooled off it would work again. The fuel pump relay is the same as the ignition relay I believe. They are the 2 metal ones that click as you put the ignition on and then again when you press the immobiliser fob.
They are easily accessed through the passengers footwell and are the 2 metal 'cubes' attached to the end of the loose wiring in front of the fuse board. I changed both relays with bosch ones from an indy TVR place for £20. Apparently if you put the wrong/inferior ones in they will work but will also drain your battery while the car is put to bed.

[teamrecon]

quattrophenia said:

I have just replaced my fuel pump relay and it did give similar symptoms to what you describe. Mine would fail when it got hot and not allow the fuel pump to prime/run. As it cooled off it would work again. The fuel pump relay is the same as the ignition relay I believe. They are the 2 metal ones that click as you put the ignition on and then again when you press the immobiliser fob.
They are easily accessed through the passengers footwell and are the 2 metal 'cubes' attached to the end of the loose wiring in front of the fuse board. I changed both relays with bosch ones from an indy TVR place for £20. Apparently if you put the wrong/inferior ones in they will work but will also drain your battery while the car is put to bed.

Thanks for the reply. Going to pick up a couple later today. I can feel the ecu relay click, but not the fuel pump. Replaced fuses. Cost me £8 + vat each for bosch, so pleased with that, hopefully will cure issue !

[TJC46]

Could one of you kind gents please list bosch part nos etc for these relays. At £20 for both its daft not to carry 2 as spares. Dont want to get the wrong ones, thanks Tom.

[thegman]

Only other thing is it might be the contacts on the pump itself. These often corrode.

ETA - and can often be fixed by cleaning up contacts

[teamrecon]

thegman said:

Only other thing is it might be the contacts on the pump itself. These often corrode.

ETA - and can often be fixed by cleaning up contacts

Thanks for the advice. I'll try the relay first, already ordered and then have a look at the contacts on the pump anyways, no harm giving them a clean !


Update : fitted new relay, fuel pumped primed and started first time. Thanks pistonheads forums for saving me a small fortune getting it fixed

Ps. The bosch part number is 0332014112. Cost me £8 + vat. Both the fuel pump relay and the ECU relay are the same number

Edited by teamrecon on Wednesday 20th April 14:02

[Alexdaredevilz]

My car broke yesterday because of fuel pump not working

I took ecu apart gave everything a wiggle
Cleaned up pump connections
2 new relays

And started first time :-)