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Topic: Help AA Man’s tampered with my idle speed (Read 17104 times) |
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
 
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Re: Help AA Man’s tampered with my idle speed
« Reply #40 on: Jun 28th, 2011, 2:21pm » |
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Tony,
this is the thread about the 2.3 I was talking about which had similar symptoms to yours..
the final conclusion being :
"a wiring fault from the EDIS unit to the ECU. This meant that at times the voltage to the pump was suddenly dropped from 12 volts to less than 6 volts which stopped it dead"
http://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl?board=Problems;action= display;num=1179604233;start=0
For everyone elses info, Tony's 24v is running fine but cutting out once it warms up...
The AA guy screwed up the fuel so it idled at 2000 rpm but it didnt cut out
Whats been tried so far :
changed the FPR
Cleaned IACV
Replaced Fuel pump relay
Disconnected Aircon Compressor
checked vaccum pipes/manifolds for airleaks
MAF cleaned
I'm sending him an IACV, Camshaft sensor, crankshaft sensor and EDIS 6 unit to try
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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martin_rowe
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Re: Help AA Man’s tampered with my idle speed
« Reply #41 on: Jun 28th, 2011, 4:10pm » |
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fit a fuel pressure guage and take it a run, monitor pressure, that will give a clue as to wheather pump is loosing power. Or even a lead lamp connected to the pump terminals at the tank, would need to have some load on it ,21w bulb, not a simple test lamp, you would see the lamp go dull when there was a volt drop as the circuit came under load.
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martin_rowe
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Re: Help AA Man’s tampered with my idle speed
« Reply #42 on: Jun 28th, 2011, 4:13pm » |
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Or does the injection duration go long & llambda go lean as pump pressure goes low.
Just another thought.
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Pianoman
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24v Ultima Saloon & 2.0 16v Ultima Estate
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Re: Help AA Man’s tampered with my idle speed
« Reply #43 on: Jun 29th, 2011, 1:10am » |
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Hi Martin Thanks for your reply.
I can’t really do much testing as the car has got worse. When I tried it yesterday it turned over immediately but the idle was very erratic, it cut out several times and lasted about 5 mins before it cut out and would not restart without immediately dying.
With just the ignition on, I also noticed a clicking noise (like Morse code) coming from the area in front of the coolant reservoir (Edis maybe?) But it’s not done this since Sunday.
First thing I need to do is replace the battery as I am having trouble starting unless the battery is fully charged. When I fully charge the battery it only lasts 2 days so either its duff or something is draining it.
Thanks
Tony
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Highlander
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Re: Help AA Man’s tampered with my idle speed
« Reply #44 on: Jun 29th, 2011, 10:45am » |
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on Jun 29th, 2011, 1:10am, Pianoman wrote:| With just the ignition on, I also noticed a clicking noise (like Morse code) coming from the area in front of the coolant reservoir (Edis maybe?) But it’s not done this since Sunday |
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might be a clue, I'd expect a similar noise when the battery is flat however usually from the nearside.
I'll get this EDIS posted off to you Tony, worth a try.
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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martin_rowe
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Re: Help AA Man’s tampered with my idle speed
« Reply #45 on: Jun 29th, 2011, 1:13pm » |
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I come accross quite a few 'non start' problems now, caused by battery voltage dropping below 10v during cranking, theres then not enough power to 'power' the ECU, resulting in non start, but engine still cranks over.
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Dave2302
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2006 Mercedes S55 AMG, Retired Barefoot Waterskier
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Re: Help AA Man’s tampered with my idle speed
« Reply #46 on: Jul 1st, 2011, 10:40am » |
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Yeah Martin,
Your dead right there 
There might be a clue in there, I'd check the charging rates at idle and at 2000 rpm to see if the alternator has a fault and is dragging the voltage down
Clicking noise could have been arcing in the alternator which is directly below the EDIS pack
HTH Dave
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Dave "The 'ol Bear" ex Footer !
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Pianoman
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24v Ultima Saloon & 2.0 16v Ultima Estate
Posts: 246
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Re: Help AA Man’s tampered with my idle speed
« Reply #47 on: Jul 1st, 2011, 1:19pm » |
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I dont know of the following could be part of the problem?
before the car developed the current problem, it drove perfect but after about half an hour the rev counter would go goes crazy, it flickers up and down even when the car is not changing gear. the autobox is changing fine and the engine is not following the rev counter. The car had a new altenator 18 months ago.
I tightened the battery terminials and this appeard to stop it or prolong it.
Tony
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Dave2302
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2006 Mercedes S55 AMG, Retired Barefoot Waterskier
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Re: Help AA Man’s tampered with my idle speed
« Reply #48 on: Jul 2nd, 2011, 9:51am » |
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Check that alternator and it's wiring, make sure bolts are tight and terminals are tight and not shorting.
Some rebuilt units don't last 18 months
Dave
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Dave "The 'ol Bear" ex Footer !
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Simmo
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Re: Help AA Man’s tampered with my idle speed
« Reply #49 on: Jul 2nd, 2011, 10:38am » |
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This page if you haven't already seen it may help. 
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Pianoman
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24v Ultima Saloon & 2.0 16v Ultima Estate
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Re: Help AA Man’s tampered with my idle speed
« Reply #50 on: Jul 9th, 2011, 10:16pm » |
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Update
I finaly got the battery tested today and it was faulty.
It was still under warranty but the guy did not have a replacement 097 so he gave me a varta 72AH with 700 somthing CCA. Anyway, made sure it was fully charged and fitted it and now I cant start the car 
I have not missed any wires from the battery.
The same thing happend after I fitted a new FPR but after fully charging the battery It started.
I suppose I need to check all the fuses next ? The higher capacity battey wont cause problems will it?
Tony
PS not checked the alternator yet as I am waiting for my m8 to lend me a trolly jack and axel stands
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Snoopy
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Re: Help AA Man’s tampered with my idle speed
« Reply #51 on: Jul 10th, 2011, 7:41am » |
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The Higher capacity battery will be good for winter starting, as to the rev counter the fault would appear IMHO to be with the replacement alternator, worth checking the leads that go to and from the alternator are nice and tight fit, as previously advised.
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Simmo
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Re: Help AA Man’s tampered with my idle speed
« Reply #52 on: Jul 10th, 2011, 7:43am » |
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The battery details are Here and the size you have is correct.
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Pianoman
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24v Ultima Saloon & 2.0 16v Ultima Estate
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Re: Help AA Man’s tampered with my idle speed
« Reply #53 on: Jul 10th, 2011, 3:25pm » |
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Been to check all the battery connections and have noticed a green (ground wire I think) That is connected to the top of the aux fusebox, the other end is just tucked down the side of the aux fusebox.
I cant see where it should be attached to, can anyone tell me where to attach it and the implications of this wire not being connected?
Thanks
Tony
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gozz
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Re: Help AA Man’s tampered with my idle speed
« Reply #54 on: Jul 10th, 2011, 8:18pm » |
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You're having us on,it's a bit of a rose bush growing in the leaf mulch 
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Simmo
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Re: Help AA Man’s tampered with my idle speed
« Reply #55 on: Jul 11th, 2011, 7:09am » |
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Tony. It looks like it is an 'add on' which a previous owner has used to connect some piece of kit. Have you checked if it is carrying current?. Where is it actually connected?. Are you sure it doesn't go through the large rubber grommet, which carries all the cables into the car,and thus in to the interior somewhere to serve a previously fitted item?.
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Mike H
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Re: Help AA Man’s tampered with my idle speed
« Reply #56 on: Jul 11th, 2011, 1:37pm » |
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How peculiar!
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Mike H
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Pianoman
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24v Ultima Saloon & 2.0 16v Ultima Estate
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Re: Help AA Man’s tampered with my idle speed
« Reply #57 on: Jul 11th, 2011, 4:59pm » |
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Simmo you are spot on
When I first saw the wire it looked like it was feeding out from under the fusebox, upon further inspection it does go through the large grommet into the car so I guess its from some previous device and not related to the problem.
The car starts today (although it dies quickly) I am almost sure now that everytime I connect the battery the car will not start untill its been left for a minimum of 24 hours. I read somewhere on the forum that if you mess with the edis without disconneting the battry (which I have not) the car can take up to 24 hours to start. Do you think this could be it, bearing in mind that Highlander suggested it could be the edis or the wiring from the edis to the ECU?
Thanks
Tony
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Dave2302
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2006 Mercedes S55 AMG, Retired Barefoot Waterskier
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Re: Help AA Man’s tampered with my idle speed
« Reply #58 on: Jul 13th, 2011, 9:00am » |
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Have you tried a look at fuel pressure, then live data / fault codes ?
Otherwise you're stabbing in the dark
Dave
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Dave "The 'ol Bear" ex Footer !
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Pianoman
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24v Ultima Saloon & 2.0 16v Ultima Estate
Posts: 246
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Re: Help AA Man’s tampered with my idle speed
« Reply #59 on: Jul 14th, 2011, 10:10pm » |
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Hi Dave
I cant get the car to start now, It turns over and almost fires up but cuts out, like its not getting any fuel.
When it did start scorpio man got me to do a scan of the RPM,MAF,LTFT and both front lambda sensors. He said the scans where ok. Can you tell me how to test the fuel pressure?
Many thanks
Tony
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