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Author Subject: FUEL PUMP RELAY FAULT?
ross1980

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Location: Edinburgh but live in Amsterdam

Registered: 14 Jul 2012

Posts: 49

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Post #1
Hi guys, had a few little problems with the car the past week.

First of all the battery went flat whilst the car was locked & the DAMN Ecu locked itself so i purchased 1 from Rich_w. So it arrived, & i fitted it, car started & has been fine until today.

The problem seems to be the fuel pump relay i think.

I turn ignition on, pump doesnt prime but when i give the relay a tap the pump starts to prime but it stays on for longer than it should & the car wont start.


Any help would be very much appreciated

Ross

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Scottish GTI-6 owner
Posted 21st Jul 2012 at 22:17
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Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #2
The battery going flat won't have caused the ECU to lock.

That relay is a double unit that also controls the ignition so if it's on the blink it could be the cause of your problems.

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Rich
Posted 21st Jul 2012 at 22:26
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ross1980

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Location: Edinburgh but live in Amsterdam

Registered: 14 Jul 2012

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Post #3
Rich E wrote:
The battery going flat won't have caused the ECU to lock.

That relay is a double unit that also controls the ignition so if it's on the blink it could be the cause of your problems.


Well the man that sold me the ecu told me that the battery going flat may have caused the ecu to lock. I cant see why it would have locked, i was just passing on what i was told.


As for the relay, are the same 1s fitted to other vehicles? The problem i face is that im living over in Holland & its a pain in the nuts to get anything quickly.

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Scottish GTI-6 owner
Posted 21st Jul 2012 at 22:30
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ross1980

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Location: Edinburgh but live in Amsterdam

Registered: 14 Jul 2012

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Post #4
BUMP

Same unit on any other models? Mine is the black box (i have also seen red 1s)

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Scottish GTI-6 owner
Posted 22nd Jul 2012 at 14:58
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

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Post #5
Can you not order it from Peugeot and get someone in the UK to collect it and post it to you?

As for the same unit being used, they are used on other models, however I'm not 100% the units are identical although someone here will know. Yes

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Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 23rd Jul 2012 at 10:57
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,796

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Post #6
look up part no on service box Yes

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Posted 23rd Jul 2012 at 11:04
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thugpuggin

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Location: Bristol

Registered: 10 Apr 2004

Posts: 26,784

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Post #7
454935 Used on lots of different models.

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Posted 23rd Jul 2012 at 11:17
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #8
I have a couple spare.

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Posted 23rd Jul 2012 at 12:09
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ross1980

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Location: Edinburgh but live in Amsterdam

Registered: 14 Jul 2012

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Post #9
So today i bought a new relay from Peugeot. I received the correct 1 for the car but now the pump wont prime (it does with the old 1) & the engine light does not come on so im thinking the immobiliser could be the problem.

I purchased an ECU last week from Rich_w & its chipped not to lock.

If i disconnect the immobiliser, do you think the car will start how it should?

Im seriously getting peeeeeeeeeeeeeeed off with this car. I should have bought a Clio sport as i had originally planned grrrrrrrrrrr

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Scottish GTI-6 owner
Posted 23rd Jul 2012 at 17:11
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,796

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Post #10
how much was it from peugeot brand new?

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 23rd Jul 2012 at 17:28
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ross1980

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Location: Edinburgh but live in Amsterdam

Registered: 14 Jul 2012

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Post #11
rikky wrote:
how much was it from peugeot brand new?


41 euros - £32 over here in Holland

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I could have a sig but we are living in the stone age.

Scottish GTI-6 owner
Posted 23rd Jul 2012 at 18:11
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ross1980

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Location: Edinburgh but live in Amsterdam

Registered: 14 Jul 2012

Posts: 49

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Post #12
Right guys, a few weeks have gone by & the car has been fine until Sunday.

The story is:

I have a Rich_w ECU
New battery
New fuel pump relay (black 1 behind the battery)

Everything was working fine until a week ago. I tried to start the car but no joy, the engine light wasn't coming on. After a few off & ons with the key, the light came on & the car started.

Sunday: I went out to the car, no light coming on & no fuel pump prime so I can't start the car. I got to work yesterday, tried the relay on another car & it works fine. I have checked all the fuses also.


So, any ideas what it could be? The car is really starting to p**s me off. It will be the last 6 I ever buy.


What makes this more difficult is that I'm living in Holland with no facilities like I have back home.


Anyway, help would be great.

Thanks in advance

Ross

________________________________________

I could have a sig but we are living in the stone age.

Scottish GTI-6 owner
Posted 21st Aug 2012 at 07:26
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #13
Ignition switch.

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Posted 21st Aug 2012 at 08:54
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dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

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Post #14
ross1980 wrote:

I should have bought a RenaultSport Clio as i had originally planned grrrrrrrrrrr


Amen!

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    • Posted 21st Aug 2012 at 09:26
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    ross1980

    Newbie

    Location: Edinburgh but live in Amsterdam

    Registered: 14 Jul 2012

    Posts: 49

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    Post #15
    welshpug! wrote:
    Ignition switch.


    As said in the last post, the pump comes on with the old relay when I turn the ignition on Wink

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    I could have a sig but we are living in the stone age.

    Scottish GTI-6 owner
    Posted 21st Aug 2012 at 10:17
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    ross1980

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    Location: Edinburgh but live in Amsterdam

    Registered: 14 Jul 2012

    Posts: 49

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    Post #16
    dangti6 wrote:
    ross1980 wrote:

    I should have bought a RenaultSport Clio as i had originally planned grrrrrrrrrrr


    Amen!


    I've had 2 & never a problem with either Smile

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    I could have a sig but we are living in the stone age.

    Scottish GTI-6 owner
    Posted 21st Aug 2012 at 10:18
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    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

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    Post #17
    ross1980 wrote:
    welshpug! wrote:
    Ignition switch.


    As said in the last post, the pump comes on with the old relay when I turn the ignition on Wink


    But you said that the relay worked on a different car when you turned the ignition on, not your car...if this is the case I would also suspect the ignition barrel. Yes

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    "Supercharged - 454.1bhp/317.5lb/ft"
    Peugeot 306 GTi-6
    2000 (X), Moonstone Love
    Posted 21st Aug 2012 at 17:21
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    BlackSix

    Regular

    Location: northampton

    Registered: 30 Jul 2012

    Posts: 156

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    Post #18
    im thinking either ignition switch or the wiring to the relay.

    my ignition wiring had been f**ked about with. got the tape off and the red wire had come apart so maybe yours has worked loose over the years?
    Posted 21st Aug 2012 at 17:28
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    ross1980

    Newbie

    Location: Edinburgh but live in Amsterdam

    Registered: 14 Jul 2012

    Posts: 49

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    Post #19
    stan_306gti6 wrote:
    ross1980 wrote:
    welshpug! wrote:
    Ignition switch.


    As said in the last post, the pump comes on with the old relay when I turn the ignition on Wink


    But you said that the relay worked on a different car when you turned the ignition on, not your car...if this is the case I would also suspect the ignition barrel. Yes


    The old relay brings on the pump but the new relay doesnt.

    I have just tried the locked ECU with the new relay & the pump primes so i think there could be a fault with the ECU i got from Rich. Does this sound more like an ECU fault now?

    ________________________________________

    I could have a sig but we are living in the stone age.

    Scottish GTI-6 owner
    Posted 21st Aug 2012 at 20:41
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    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

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    Post #20
    You say you've tried the relay on another car, would this car be another '6'?

    If so, try the Rich W supplied ECU on that car and see if it runs to eliminate the ECU being the issue. Wink

    ________________________________________

    "Supercharged - 454.1bhp/317.5lb/ft"
    Peugeot 306 GTi-6
    2000 (X), Moonstone Love
    Posted 25th Aug 2012 at 14:15
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    ross1980

    Newbie

    Location: Edinburgh but live in Amsterdam

    Registered: 14 Jul 2012

    Posts: 49

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    Post #21
    stan_306gti6 wrote:
    You say you've tried the relay on another car, would this car be another '6'?

    If so, try the Rich W supplied ECU on that car and see if it runs to eliminate the ECU being the issue. Wink


    It wasnt a 6 mate, it was a 308

    Its cool, the ecu is in the post to Rich to be tested & i will have it back by the end of the week hopefully

    ________________________________________

    I could have a sig but we are living in the stone age.

    Scottish GTI-6 owner
    Posted 26th Aug 2012 at 18:06
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    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

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    Post #22
    ross1980 wrote:
    Its cool, the ecu is in the post to Rich to be tested & i will have it back by the end of the week hopefully


    Thumbs up

    Hopefully it will come back ok, and it'll fire right up. Smile

    ________________________________________

    "Supercharged - 454.1bhp/317.5lb/ft"
    Peugeot 306 GTi-6
    2000 (X), Moonstone Love
    Posted 26th Aug 2012 at 18:10
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    ross1980

    Newbie

    Location: Edinburgh but live in Amsterdam

    Registered: 14 Jul 2012

    Posts: 49

    Status: Offline
    Post #23
    stan_306gti6 wrote:
    ross1980 wrote:
    Its cool, the ecu is in the post to Rich to be tested & i will have it back by the end of the week hopefully


    Thumbs up

    Hopefully it will come back ok, and it'll fire right up. Smile


    Hopefully Thumbs up

    ________________________________________

    I could have a sig but we are living in the stone age.

    Scottish GTI-6 owner
    Posted 27th Aug 2012 at 19:18
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    ross1980

    Newbie

    Location: Edinburgh but live in Amsterdam

    Registered: 14 Jul 2012

    Posts: 49

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    Post #24
    Now all fixed Smile

    ________________________________________

    I could have a sig but we are living in the stone age.

    Scottish GTI-6 owner
    Posted 8th Sep 2012 at 21:47
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    dangti6

    aka JKshooter

    Location: Taunton, Somerset

    Registered: 15 Jun 2006

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    Post #25
    Congrats. Care to elaborate for future searches?

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    • Posted 8th Sep 2012 at 21:49
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