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Author Subject: Car won't start or lock/unlock
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

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Post #1
Hi guys thought id see if anyone could give some helpful advice on my dead 6.

So this morning on my home from the shop driving along a completly flat straight road the car suddenly hesitated massively as if the car had just ran out of fuel but the engine was running still, i pumped the throttle pedal and it suddenly caught back up with the revs like it had sprung back to itself, then almost instantly after that the engine completly died.

now at this point im coasting along the road, tried to start the car again and it just cranked over but wouldn't fire. Came to a stop and i turned the car off completly and turned the ignition back on again and the alarm beeped and flashed the lights (dosent ever do this when i turn the ignition on) and turned the key and it just cranked and at one point sounded like it was going to fire, almost as if what fuel was in the rail had been used then just was cranking over.

Then i had a fun walk home with the 6 in the rain till i pushed it back to my house. Left it for a couple of hours as the battery had ran out of enough juice to turn the engine over from where i had been frantically tying to start it. As i waited for my brother to come over with jump leads, now we connected the jump leads and the alarm flashed but when i pressed the button on the fob it didnt lock or unlock the doors would just flash the light and beep, tried starting the engine and it just turned over and wouldnt start. Then the lights started flashing and the alarm would beep and make sounds. Now im sure that the problem is the immobiliser is cutting the signal to the fuel bump and i guess thats why its not starting as its not getting fuel. A previous owner has fitted a stupid Toad alarm but it still has the standard peugeot one too as i have been able to lock and unlock the car from the peugeot key, but earlier neither key or toad fob were doing anything.

Does this sound like it could be the culprit, and if so how do i go about getting rid of the bas**rd alarm altogether as i really dont need it, as long as i can unlock the door with the key and start the engine thats all i care about.

Any help would be much appreciated, as i need the car for work tomorrow. Sad p.s. sorry for the long winded story but gives the best picture lol Smile
Posted 29th Jan 2017 at 18:45
mocinim

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Location: The Darkside of bedford :)

Registered: 09 Jan 2015

Posts: 2,307

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Post #2
Sounds likely get the toad removed bud
Mine used to drop revs as described till i got the pump changed
But if your lights are also flashing almost definately the toad

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Posted 29th Jan 2017 at 19:12
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

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Post #3
mocinim wrote:
Sounds likely get the toad removed bud
Mine used to drop revs as described till i got the pump changed
But if your lights are also flashing almost definately the toad


Yeh im 99% sure its the toad, that things been a ball ache since iv had the car. couple of friends have said get rid of the toad too as they reckon it is probably messing wth the standard working peugeot alarm.

Next problem iv got is that im really not sure or confident in how to remove the toad alarm. Im a little afraid of completly locking myself out of the car. Unsure
Posted 29th Jan 2017 at 19:22
mocinim

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Location: The Darkside of bedford :)

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Post #4
Take it to an auto electrical place if your unsure or get one to visit your place should be able to remove at location for 100 bucks or so
They can be a stright forward removal and join up.the original wiring or they can be intergrated and tricky to remove

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 29th Jan 2017 at 20:55
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

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Post #5
yeh good point, don't really have that to spend at the minute. But iv just traced some wires that are for the toad and the toad box seems to be tucked properly far away under the steering colum, but i noticed behind the fuse box they have squeezed in a f**kload of wires wraped with odd bits of black electrical tape, and the electrical tape really shows a top quality job lol

But tomorrow after work in the day light il pull apart some more bits and see if i can trace the toad wires to the peugeot ones, and as they seem to be joined by electrical tape i bet it was a twisty wire job lol
Posted 29th Jan 2017 at 21:20
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

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Post #6
on the plus side of this, it will be some more weight to loose out of the car before it sees a trackday haha. Big grin
Posted 29th Jan 2017 at 21:21
mocinim

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Post #7
If the wires are twisted more likely to be a basic home fit and its more likely to be that one has simpley come undone

Id still get rid before it melts something

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 29th Jan 2017 at 21:47
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

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Post #8
funnily enough iv gone through the paperwork and found a really old recipt from like 2006 and some garage had fitted the alarm for the owner for like £200. they did a s**t job, but yeh im just gunna strip it out and get rid of it, dont need the hassle of that.

Im hoping to be able to get to it without having to remove the dash cause i dont have the time for that.
Posted 29th Jan 2017 at 21:54
mocinim

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Post #9
For 200 they wont have removed the dash just quick fit and away
Toad and alike where very popular back then

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 29th Jan 2017 at 22:50
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #10
sounds like poor live connections on the battery and fusebox.

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 30th Jan 2017 at 10:49
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

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Post #11
welshpug! wrote:
sounds like poor live connections on the battery and fusebox.


How would i go about checking the live connections to the battery and fusebox? Smile
Posted 30th Jan 2017 at 18:47
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

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Post #12
*Little update*

Iv managed to find the toad box and iv unplugged it and taken the box and followed a wire that had been spliced in a thick blue wire (dont know what this wire is for) but i cut out the toad wire and iv rejoined just the peugeot wire again. and i just pushed the button on the peugeot key to see if it would unlock the car and i can hear a click/clunck sound come from the block box where the rear seats would be? and i still cant hear the fuel pump priming when i switch the igntion on.

gunna try and remove more of the toad wiring and re-connect the and peueot wiring back to factory. but i think the battery is getting low as it dooesent have the power to crank the engine anymore.
Posted 30th Jan 2017 at 19:25
mocinim

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Post #13
If you battery is flat as in no power at all ithe pump wont prime
Take out your battery charge it overnight
Without power your not gonna be able to figure out much !

________________________________________

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WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 31st Jan 2017 at 09:29
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

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Post #14
sorry i didnt mean completly flat just not enough to crank the engine but the ignition still comes on and the dash lights up. but yeh i will charge the battery as it wont help being low on voltage.
Posted 31st Jan 2017 at 17:05
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

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Post #15
so iv removed a fair amount of the toad wiring and had the battery disconnected and now im able to unlock/lock the doors with the central locking with the peugeot key. but when i turm the ignition on a still cant hear the fuel pump primimg or any sound at all. but theres still some more toad wiring down by the pdals to remove, so hopefully that will sort it.
Posted 31st Jan 2017 at 19:14
mocinim

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Post #16
Theres probably a load around the steering column also and possibly a tail to the rear light or lock

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 31st Jan 2017 at 19:46
bigbadbowen

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Location: Winchester

Registered: 21 Nov 2003

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Post #17
No pump prime means either ecu is locked out or fuel pump relay behind the battery box is faulty
Posted 31st Jan 2017 at 21:22
mocinim

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Post #18
Or not enough battery power there maybe enough to light the dash and undo the locks etc etc

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 31st Jan 2017 at 22:17
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

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Post #19
bigbadbowen wrote:
No pump prime means either ecu is locked out or fuel pump relay behind the battery box is faulty


I really hope that the ecu isnt locked, because if it is, is there a way to unlock it. or would i need to get another one?

well iv had a quick look earlier, but didnt spend too long as its p**sing it down outside, but iv got to the last of the toad wiring i think under the steering colum and have follwed a few wires, bunched together that are tucked down next to the bonnet latch release and they must follow that out into the engine bay, which my guess is one of the wires goes somewhere in the bay for power but i also wondered whether they would have been able to attatch one of the wires to something to stop the fuel pump getting power? How would i check if the relay is faulty? or is it a case i just need a new one?

battery has full power while iv tried turning the car on and starting, its cranking and i can open the doors via the central locking on the peugeot key which it didnt do before so iv done something right lol
Posted 1st Feb 2017 at 18:29
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

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Post #20
Scratch that bit about how to check jjust found a FAQ on here how to test the relay and switch it so its constanly running the pump or something lol il read abit more through and have ago tomorrow or friday if it stops bloody raining lol.
Posted 1st Feb 2017 at 18:35
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

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Post #21
OK guys iv removed all of the wiring for the Toad alarm, so the whole system is now out off the car, but it still won't start or the fuel pump coming on. Iv tried bridging the fuel pump relay but still no pump coming on. Every now and then the lights start flashing as iv got the door open and im in the car and the lights go off when i turn the ignition on but no matter how many times i push the central locking button on the key it won't stop the lights flashing, which i presume thats the peugeot alarm??

But im pretty much out of ideas now. Also don't know what relivence this has but the electric windows won't work or the dial lights but the head lights come on and the interior light and the electric mirrors still work, which massively confusses me.

Is it a case now that i might need to get an unlocked ECU?
Posted 2nd Feb 2017 at 15:40
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #22
you need to use the keyfob to disarm the alarm, which if its not locking/unlocking then its not working, evident by the alarm going off (your alarm siren is dead most likely)

If manually bridging the terminals at the relay does not run the pump there's a fuse or broken wire, or tripped inertia switch.

Leccy windows is very often the wiring looms in the door, dash lighting is on the sidelight circuit, so check they are working and the dimmer rheostat is ok.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 2nd Feb 2017 at 16:15
Charlie@gti6

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Location: Bristol

Registered: 29 Apr 2016

Posts: 106

Status: Offline

Post #23
welshpug! wrote:
you need to use the keyfob to disarm the alarm, which if its not locking/unlocking then its not working, evident by the alarm going off (your alarm siren is dead most likely)

If manually bridging the terminals at the relay does not run the pump there's a fuse or broken wire, or tripped inertia switch.

Leccy windows is very often the wiring looms in the door, dash lighting is on the sidelight circuit, so check they are working and the dimmer rheostat is ok.


Yeh but the strange thing is just a second ago when i did press the button on the key it locked the doors Wink and yeh the siren is dead thats probably why the toad was fitted.

Well im hoping iv bridged it properly, found a FAQ on here that said point 5 and 8 with a wire between then turn the ignition on. But nothing happened. the inertia switch is de-activated by pushing it down dosen't it? But im just confused as the car was driving perfectly fine, went up a hill and then when i was on the flat road the engine just cut out. Im sure iv checked the right fuses under the dash. are there fuses else where that i need to check?

Thats last bit im an idiot iv unplugged the dimmer light switch to get at the toad box so yeh thats why that bit aint working Unsure LOL
Posted 2nd Feb 2017 at 17:08
deeturbo

Regular

Location: Leighton Buzzard

Registered: 22 Feb 2003

Posts: 283

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Post #24
When you said about the lights going to I thought it sounds like an earth issue. Have you checked the earths?

In the diesels the gearbox to chassis earths usually breaks and that does some weird things.
Posted 2nd Feb 2017 at 19:53
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #25
Manually check the fuel pump, apply 12v to terminals on pump under rear bench seat to ensure that it does actually work.

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 3rd Feb 2017 at 16:03

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