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Topic: H E L P ! I'm flooded (Read 757 times) |
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Toriitom
Junior Member
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H E L P ! I'm flooded
« on: Feb 19th, 2011, 7:56pm » |
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Hi
I need HELP. As you may have read in OBD Advice I am having problems with my Scorpio. To try and find the reason for my misfire I was going to take the Engine Loom out and check if there is a fault in it.
Today I went to the car and the radiator fan on the OS was running - I don't know why as there was nothing left on in the car. I had the battery on charge as it was flat yesterday. To stop the fan running I decided to remove the connector until I find out what was happening. I disconnected the MAF connection and the cable under the air tube. I then unclipped the MAF and unscrewed the two jubilee clips at the inlet manifold. When I went to pull off the air tubes I got a surprise - they were full of petrol. When I got the complete fitting off and poured the petrol into a can I got about half a gallon.
Can anyone explain how this is happening; Is this the cause of my misfire; Is this why it goes through petrol as though there is no tomorrow
Any help would be gratefully appreciated.
Tom
PS That is besides finding out why the fan was running!
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gozz
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Re: H E L P ! I'm flooded
« Reply #1 on: Feb 19th, 2011, 10:52pm » |
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Tom.
Theoretically one fan cannot run without the other,since they are wired in series for slow speed and parallel for fast,maybe the N/S fan is faulty ? if the relay is jammed shut maybe the fans would receive continuous power,big green relay down low behind O/S headlamp.
Regarding the petrol problem,this is something I haven't come across on 'modern' engines,logically if fuel is in the inlet system it COULD come from either direction,ie if the crankcase was full of fuel due for instance to a busted injector,which is hardly feasible,the breather system could suck it into the intake.The other possibility is that the inlet manifold is being flooded via a jammed injector.Is there any chance that your fuel pump is running when the key is switched off due to a faulty pump relay or wiring fault ?
GOZZ.
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Toriitom
Junior Member
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Re: H E L P ! I'm flooded
« Reply #2 on: Feb 20th, 2011, 1:08am » |
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Hi Gozz
Thank you for your input.
The fan problem does not worry me as much as the petrol problem. I will check the relay; it could be jammed as you say.
With the petrol problem; if it is a faulty injector then, as you point out, the crankcase would be full. The only way I can check this is by removing the spark plugs and dipping to see if there is any fuel there.
I am puzzled now; if there is a faulty injector, would this cause the misfire and would this also account for the DTC P1351. It would be great if this was the solution to all my problems.
I will also check the fuel pump (when I find it), the cables and the relays.
Thank you for your help, Gozz
Tom
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Simmo
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Re: H E L P ! I'm flooded
« Reply #3 on: Feb 20th, 2011, 7:46am » |
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This page may help. 
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Toriitom
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Posts: 72
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Re: H E L P ! I'm flooded
« Reply #4 on: Feb 20th, 2011, 2:01pm » |
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Hi Simmo
Thank you for your reply.
I did find this page and I now know where the pump is. I think that even though it is a bit of a chore to do, I will check the pump (and the filter while I'm down there).
Tom
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Mike H
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Renault Clio
Posts: 2594
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Re: H E L P ! I'm flooded
« Reply #5 on: Feb 20th, 2011, 3:06pm » |
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You should hear the pump start up soon as you turn it on. Maybe even while it stays on.
Injector stuck open sounds most plausible I suppose, could you take the intake hoses off, turn it on and see what happens? Like petrol starts appearing!
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Mike H
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Toriitom
Junior Member
Posts: 72
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Re: H E L P ! I'm flooded
« Reply #6 on: Feb 20th, 2011, 3:25pm » |
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Hi Mike
Thank you for your posting.
Your idea of turning the ignition on and waiting to see what happens sounds feasible. The day that I connected up the OBD I had the ignition on for a good while during the setting up of the device and then taking the readings.
I will try to repeat this tomorrow and I will report back my findings.
Thanking you
Tom
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