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Author Subject: Help please, she won't start.
greenie

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Location: Sandhurst

Registered: 06 Feb 2013

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Post #1
Chaps, am panicking.
I had to leave my car in a garage while I went abroad and now I'm back she won't start.
I put a new battery on but found I was getting no fuel to the rail. I bridged the pump and it works fine so I unplugged the pump relay behind the battery, bridged it and the pump worked continuously. I put a new relay in but the pump doesn't prime or spin in any way with the new relay. So by my wreckoning the pump works and the wiring between the relay and pump is fine. I checked and the fuel is getting to the rail but I don't know if it's getting to the cylinders as when I removed a plug to check it was dry. I also have no warning lights on the dash apart from the battery one.
What do you guys think? Immobiliser? bearing in mind it's a phase 2 with two black keys and no beeper.
ECU?
Any help would be appreciated as I don't want to have to break this car it had so much work done before I had to leave it.
Thanks
Posted 21st Nov 2014 at 18:47
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #2
got spark?

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Posted 21st Nov 2014 at 18:51
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chiefton

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Location: cranleigh

Registered: 09 Dec 2012

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Post #3
Defo check for spark. Has it got a lil red immob light?? If so whats it doing??

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Posted 21st Nov 2014 at 18:57
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chiefton

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Post #4
Where did you store it?? May have a lil mousey friend lol

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Posted 21st Nov 2014 at 18:58
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greenie

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Post #5
No spark was evident when I checked with the fuel relay bridged but I ran out of time to check with the new relay fitted.
There is a little red light and its flashing. What should it be going?
Thanks in advance.
Posted 21st Nov 2014 at 21:31
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dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

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Post #6
Did you take a plug out and look for a physical spark holding it against the engine?

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    • Posted 21st Nov 2014 at 21:39
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    greenie

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    Post #7
    Yup, removed a plug and held the end of it against the head with the coil attached while a mate turned it over.
    Could the fact that it had no multi function relay connected explain no spark then though or does the relay only control the injectors?
    Posted 21st Nov 2014 at 22:48
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    jamiek_uk2000

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    Post #8
    Your best bet is to pour milk into the cylinder. Blacklock told me it always helped him fire his up...

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    Posted 21st Nov 2014 at 23:06
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    greenie

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    Post #9
    Never heard of that approach myself, but thanks I'll try it.
    Anything right now!
    Posted 22nd Nov 2014 at 08:53
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    greenie

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    Post #10
    Any other suggestions chaps?
    Posted 22nd Nov 2014 at 16:26
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    rikky 🦔

    Location: cheshire

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    Post #11
    have you plugged the relay in as normal and checked for spark? ie no bridging anything

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    Posted 22nd Nov 2014 at 16:47
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    bigbadbowen

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    Post #12
    Sounds like an imobiliser issue to me ? Defo got fuel ? Have you tried locking and unlocking the car on the fob ?
    Posted 22nd Nov 2014 at 17:43
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    greenie

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    Post #13
    I had a horrid feeling that may be a possibility. I've never had a fob, just solid keys and having replaced all the suspension last summer I noticed a distinct lack of siren and immobiliser gibbons under the front wing.
    I also didn't get the opportunity to check for a spark with the new relay cos it got dark.
    Having to return to France on Monday so ill have to wait a week or so before I can go back.
    Is there any way of bypassing the immobiliser? Happy to remove it completely if it gets her running again.
    Posted 22nd Nov 2014 at 18:42
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    bigbadbowen

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    Post #14
    Unlocked Ecu and unplug the transponder under the dash = job done

    Soft unlocked will do as long as you unplug the transponder before you do anything else.

    If you only have a solid key that won't have a chip in it ?
    Posted 22nd Nov 2014 at 19:41
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    bigbadbowen

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    Post #15
    Infact the transponder must be unplugged if you don't have a chip key ?
    Posted 22nd Nov 2014 at 19:44
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    armzsc6

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    Post #16
    I'm not to far away If you get stuck.

    Had this exact issue on a peugeot 806 a few months ago and it had no fuel or spark. Lots of wiring checks and strip down and found it was a connector block corroded up in the end.

    Check both the round ones on the passenger side front inner wing near the airbox. Also check the earths down there and the main one on the gearbox. Put an engine in my 6 years ago and found had no dash lights and wouldn't start.... Poor contact on earths on NS inner wing.

    Also had my 6 fail to start suddenly a
    Few months ago and it had 0 spark but plenty of fuel. Crank sensor was the culprit.

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    Posted 22nd Nov 2014 at 19:47
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    bigbadbowen

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    Post #17
    Imobiliser problem I reckon
    Posted 22nd Nov 2014 at 19:47
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    armzsc6

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    Post #18
    jamiek_uk2000 wrote:
    Your best bet is to pour milk into the cylinder. Blacklock told me it always helped him fire his up...


    Haha your mean LOL

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    Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p
    12x 306's owned so far

    Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist.
    Pug planet / Citroen Lexia diagnostics / code reads available.
    Posted 22nd Nov 2014 at 19:48
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    bigbadbowen

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    Post #19
    No fuel or spark is locked ecu ? Switch to unlocked with no transponder and I bet it fires up
    Posted 22nd Nov 2014 at 19:53
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    greenie

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    Post #20
    Great stuff thanks for all the advice.
    Anyone got an unlocked ecu for sale?
    Posted 23rd Nov 2014 at 21:04
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    stan_306gti6 Forum Admin

    Location: Kent

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    Post #21
    Immobiliser issue will kill spark, not fuel. If you have no fuel as well as no spark, then immobiliser is not at fault.

    Excellent advice on the corroded plugs and earths suggestion. I would be checking these first.

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    Posted 25th Nov 2014 at 23:27
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    rikky 🦔

    Location: cheshire

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    Post #22
    rikky wrote:
    have you plugged the relay in as normal and checked for spark? ie no bridging anything


    did you try this?

    no point going round buying stuff if you don't need to! Crazy

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    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 26th Nov 2014 at 08:18
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    greenie

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    Post #23
    Great stuff, thanks a lot guys.
    I had all the plugs out one by one and got them clean and seated.
    Armz thanks for the offer of help it's really appreciated.
    I'm going back mid dec to check it out so may look you up if I still get no result.
    Posted 29th Nov 2014 at 18:20
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    bigbadbowen

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    Post #24
    I can prob get you a soft unlocked ecu as well as the transponder and chip if you need it ?

    or speak to Rich W and get a hard unlocked ecu ? He will prob take your ecu as part ex as well.
    Posted 29th Nov 2014 at 20:54
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