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Author Topic: 2.5 Estate fluctuating idle and cutting out  (Read 5592 times)

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steve6367

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2.5 Estate fluctuating idle and cutting out
« on: 31 May 2015, 20:26:40 »
Does 00019 point to Crank Sensor?

ECU ID= HH,90492382,0261203588,1037350104,03,



Total number of fault codes: 4

00135 - Telltale (Check Light) Voltage Low
Present

00013 - O2 Sensor 1 Open Circuit
Present

00089 - O2 Sensor 2 Open Circuit
Present

00019 - Incorrect RPM Signal
Not present
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05omegav6

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #1 on: 31 May 2015, 20:56:11 »
Possibly but standard if codes were read with engine not running iirc... Or was that 31?
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steve6367

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #2 on: 31 May 2015, 21:38:10 »
It was indeed off, just ignition on - I will try again with it running  :y

I've checked and cleaned ICV - anything else likely to cause idle speed to fluctuate and engine to cut out at idle?
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ffcgary1

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #3 on: 31 May 2015, 21:51:02 »
Suspect crank sensor, see my thread v6 stalling, it was ok cold but when it got hot the idle was all over the place and would then die. ::)
« Last Edit: 31 May 2015, 21:55:42 by ffcgary1 »
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RobG

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #4 on: 31 May 2015, 22:07:47 »
Quote from: Taxi Al on 31 May 2015, 20:56:11
Possibly but standard if codes were read with engine not running iirc... Or was that 31?
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Gaffers

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #5 on: 01 June 2015, 10:56:09 »
Also check for air leaks.
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TheBoy

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #6 on: 01 June 2015, 17:09:12 »
19 is deffinately crank sensor. Irrespective of engine on or off.

Clean icv as well.
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TheBoy

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #7 on: 01 June 2015, 17:09:51 »
and investigate why the lamdas are buggered
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steve6367

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #8 on: 01 June 2015, 18:39:24 »
Quote from: TheBoy on 01 June 2015, 17:09:51
and investigate why the lamdas are buggered

That is interesting as that code is present, but with the engine running they produce a nice output as expected.......
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steve6367

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #9 on: 01 June 2015, 18:40:09 »
Quote from: TheBoy on 01 June 2015, 17:09:12
19 is deffinately crank sensor. Irrespective of engine on or off.

Clean icv as well.

Tried to order one today, but apparently need to know it is has a round or square connected - so will have a look tonight and get it ordered  :y
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TheBoy

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #10 on: 01 June 2015, 18:42:28 »
Is it that stupid unnamed code reader?

Is it going closed loop?
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TheBoy

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #11 on: 01 June 2015, 18:49:44 »
What are the idle and Partial Load trims?
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steve6367

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #12 on: 01 June 2015, 20:50:17 »
Quote from: TheBoy on 01 June 2015, 18:42:28
Is it that stupid unnamed code reader?

Is it going closed loop?

"My Naff Code Reader" on the 2.5 yes.....is that bad?
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steve6367

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #13 on: 01 June 2015, 21:18:05 »
Quote from: steve6367 on 01 June 2015, 18:40:09
Quote from: TheBoy on 01 June 2015, 17:09:12
19 is deffinately crank sensor. Irrespective of engine on or off.

Clean icv as well.

Tried to order one today, but apparently need to know it is has a round or square connected - so will have a look tonight and get it ordered  :y

To be honest I can't tell looking at the car!

Does anyone know which of 90492006 or 90492061 it is likely to be?
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steve6367

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Re: 2.5 Estate fluctuating idle and cutting out
« Reply #14 on: 01 June 2015, 21:39:38 »
Quote from: TheBoy on 01 June 2015, 18:42:28
Is it that stupid unnamed code reader?

Is it going closed loop?

Yes - data linked here, if that helps?

https://www.dropbox.com/s/iozhtcugjis3lsj/2.5%20Estate.xls?dl=0
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