Author Topic: Buzzy fuel pump relay  (Read 1421 times)

Offline leigh_harty

  • I live here
  • *****
  • Posts: 1,462
  • Audi AGU
Buzzy fuel pump relay
« on: 27 October 2012, 10:42 »
What causes the fuel pump relay to buzz?

Car sometimes starts 1st time... sometimes it just buzzes when cranking over.. sometimes relay does nothing whilst cranking (thus not starting at all)

Ive already replaced the relay for a genuine new one and all that did was buzz louder  :grin:

Should i check for earth issues?
Dont lose your dinosaur!

Offline thai-wronghorse

  • Serious forum addict
  • *
  • Posts: 7,325
  • mk1 Seat Leon FR TDI
Re: Buzzy fuel pump relay
« Reply #1 on: 27 October 2012, 17:11 »
I thought it was the pump that buzzed when powered up, not the relay?

Offline leigh_harty

  • I live here
  • *****
  • Posts: 1,462
  • Audi AGU
Re: Buzzy fuel pump relay
« Reply #2 on: 27 October 2012, 18:16 »
No it's defiantly the relay. Put my finger on it and crank it and you can tell.... and hear.

Now it doesn't even buzz... so no priming the pump
Dont lose your dinosaur!

Offline Stewy12

  • Not said much yet
  • **
  • Posts: 64
Re: Buzzy fuel pump relay
« Reply #3 on: 31 October 2012, 07:05 »
If your not priming check fuse 18 if it keeps blowing let us now ... or have a read
http://mk3golfowners.co.uk/forum/viewtopic.php?f=16&t=98
« Last Edit: 31 October 2012, 07:07 by Stewy12 »

Offline leigh_harty

  • I live here
  • *****
  • Posts: 1,462
  • Audi AGU
Re: Buzzy fuel pump relay
« Reply #4 on: 31 October 2012, 09:55 »
If your not priming check fuse 18 if it keeps blowing let us now ... or have a read
http://mk3golfowners.co.uk/forum/viewtopic.php?f=16&t=98


Thanks, ill have a look at that when I get a minute... stuck on jury duty  :sad:

Fuse 18 is good. Its an intermittent problem. Fired up fine this morning
Dont lose your dinosaur!