Fuel pump priming / Ignition off - Engines Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: Fuel pump priming / Ignition off

Joka-cro

Newbie

Location: Varazdin

Registered: 07 Oct 2013

Posts: 32

Status: Offline

Post #1

Hi guys,after complet rebuild of entire car,starting it m evrything works fine but after ignition off, every few minutes ( 4-5 minutes) i hear relay to turn on and pump to prime for 2-3 secends.....

Changed fuel relay,changed ignition lock and all is still the same....

Any ideas ?

Besides that (maybe are thos 2 problems somehow connected ) with ignition on and headlight switch off the headlights are turned ON.... Dunno

chenged the switch but still the same...

Like the car is geting positive signal from battery somehow ?

Posted 1st May 2026 at 17:44

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jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,290

Status: Offline

Post #2

this is normal, it is to keep the fuel lines primed and the fuel swirl pot full.

check your headlight relay, it might be stuck on.

________________________________________

the world is changed by people in sheds

Posted 4th May 2026 at 18:23

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Joka-cro

Newbie

Location: Varazdin

Registered: 07 Oct 2013

Posts: 32

Status: Offline

Post #3

You think that is normal when i turn the vehicle off and locl it that pump turns on ? Iknow that on newer peugeots when youbopen door pump primes for 2 3secends....

About lights,I disconected all relays and light switch and they are still on.... As I am informed 306 is not using any relay for headlights

Posted 9th May 2026 at 11:43

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pug_306

Seasoned Pro

Location: Great Hockham

Registered: 28 May 2013

Posts: 1,597

Status: Offline

Post #4

Tends to do that with a unlocked ECU

________________________________________

1998 Supercharged White Rallye
1992 205 GTi6
205 Turbo 340bhp

Posted 11th May 2026 at 11:34

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