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| Author | Subject: idle and low revs issue, loads replaced no joy..CONTINUED |
 stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #51
Try putting 12v direct to the pump and see what happens...I must admit, it does sound like a fuel pump issue possibly... ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
 Posted 6th Aug 2012 at 18:48
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BlackSix
Regular  Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #52
the pump primes on turning the key. it took noticeably longer to prime today too so im thinking its working, just cant keep up with "demand" anymore |
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Posted 6th Aug 2012 at 19:21
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #53
It shouldn't be varying the time it takes to prime...the pump sounds weak to me.Has the fuel filter been replaced at all? It could well be blocked if it's been on there a long time. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 7th Aug 2012 at 06:03
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eliotrw
Seasoned Pro  Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #54
that is also a good point.. Can you imagine if it turns out to be a 2 quid disposable :O  ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 7th Aug 2012 at 09:40
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #55
yeah i replaced the fuel filter quite early on i normally give my cars a good service when i get them because theres not really a way of knowing if its been done or done properly before. any other options you guys can think of? |
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Posted 7th Aug 2012 at 09:47
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #56
Rule out the fuel pump first imo as it certainly doesnt sound tip top________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 7th Aug 2012 at 15:43
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #57
Ok thanks. I hope ive got one coming tomorrow so just got to hope it is that. |
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Posted 7th Aug 2012 at 15:48
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #58
looks like tomorrow now for the pump.i just cant shake the feeling that im missing something very simple though. |
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Posted 8th Aug 2012 at 12:44
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #59
fuel pump replaced, nothing |
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Posted 9th Aug 2012 at 14:31
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #60
plugged in again today and it comes up with fuel adaptation out of range....live sensor data is within tolerances though, which kinda makes me think it isnt a wiring loom fault. any more ideas? |
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Posted 13th Aug 2012 at 11:02
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #61
wiring loom is in, ive double and triple checked all connections, no difference.ive been told theyre not the smoothest of engines, but they cant be this bad. you can feel its not right. ive just been up and down the dual carriageway and its fine while accelerating but holding constant speed, after as while you can feel it shaking almost as if youre driving on a bad road (its one of the smoothest round here) wheels have been balanced, engine mounts been replaced. it still comes up with fuel adaptation out of range even with everything ive changed. up til now, the full list is: coil packs spark plugs TPS ICV coolant temp sensor ECU (tried a known good one) air temp sensor crank sensor wiring loom MAP sensor lambda sensor timing was checked when cambelt was done are they really meant to be this rough? with the bonnet up you can see the engine rock once in a while, but when it gets bad its all over the place il try to get a video. have already tried but you couldnt see or hear it in the video |
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Posted 15th Aug 2012 at 20:21
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woody.
Senior User  Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #62
Power steering sensor between rad and inlet fannymold? |
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Posted 15th Aug 2012 at 21:20
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #63
unplugged it, didnt make a difference |
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Posted 15th Aug 2012 at 21:41
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coskev
Seasoned Pro  Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #64
Jesus,what a nightmare,think most people would have torched it by now!!! Have you had emissions checked? I know you say lambda is working,but could it be fuel press regulater knackered? only thing not on your list you have not tried is injectors  Either get a known good second hand set,or get yours out and have them tested/reconned.  ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 16th Aug 2012 at 08:10
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #65
Blacksix - Try going for a drive and when the problem is at its worst switch off and remove the spark plugs...The colour etc of the plugs will be able to tell you a lot about exactly what the engine is doing. If you are unsure about what they should look like, take some photos and post them up on here and we can have a look for you.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 16th Aug 2012 at 10:23
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #66
Still not ruled out the fuel pump have we yet?________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 16th Aug 2012 at 11:32
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #67
cheers stan, il do that when the rain eases off a bit.eliotrw, yeah i have changed the fuel pump made no difference |
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Posted 16th Aug 2012 at 11:48
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #68
Hmmm this is officially weird now.________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 16th Aug 2012 at 11:58
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #69
youre telling me lol. got a set of injectors coming just incase these ones are breaking down.popped the injectors out after a spell of doing this and they look ok. theyre less than a month old too |
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Posted 16th Aug 2012 at 16:26
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #70
Keep us posted on what the results of the plug chop are....this is definitely a weird one. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 16th Aug 2012 at 16:32
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #71
I'm wondering if the issue is before that now. Like some s**t in your fuel rail or a dodgy pressure regular as mentioned above :p________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 16th Aug 2012 at 16:32
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #72
the misfire isnt confined to one cylinder. ive whipped the plugs out and all look like overfueling according to google search, couldnt take a pic as cam phone is crap lol. the fpr has been out cleaned and checked, theres no fuel coming down the vacuum line which apparently means its working as it should. according to my mechanic this can happen when one or more injectors are failing. edit: as other thread, i cleaned the exhaust up before i went for a run and by the time i got back it was sooty again. so by the plugs and this, something is causing it to run rich/poor atomisation. all sensors that would control fuelling have been changed, the wiring to those sensors was replaced and all vacuum pipes are ok. so, it could either be a vacuum issue, multiple bad injectors or fpr, would anyone else agree? |
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Posted 16th Aug 2012 at 18:35
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #73
set of injectors cured it.the ones on the car were different, one had a black body and the numbers didnt even match the ones on the car, nor the ones i replaced |
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Posted 20th Aug 2012 at 12:30
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #74
BlackSix wrote: set of injectors cured it. the ones on the car were different, one had a black body and the numbers didnt even match the ones on the car, nor the ones i replaced  Glad this is solved now...one had a black body? Definitely not right, the standard injectors have a dark green body. Nice one for keeping at it, now you can officially start to enjoy the car now. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 20th Aug 2012 at 14:01
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BlackSix
Regular Location: northampton Registered: 30 Jul 2012 Posts: 156 Status: Offline |
Post #75
spoke too soon....problem is backjuddery at constant speed and at idle |
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Posted 20th Aug 2012 at 14:04
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