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Old 17th July 2019, 08:17   #1
chunkybray
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Default CDTI cutting out

Can anyone help me?
My Cdti has an intermittent problem. It runs fine then for no apparent reason,
when I either put my foot hard down or just pulling away gently it will cut out.
A quick flick of the ignition, it carrys on as normal.
I suspect a fuel delivery problem but where do I start?.
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Old 17th July 2019, 09:08   #2
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Hi Nick.
If your model as an under bonnet pump then check the flow, also have or do a leak back test on the injectors, if possible find the nearest T4 to you and get a session on the car.
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Old 17th July 2019, 10:20   #3
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Default CDTI cutting out

I had the same on a car a few years ago, it was a case of injector leakback, I replaced one injector and all was well.
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Old 17th July 2019, 12:28   #4
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Quote:
Originally Posted by trikey View Post
I had the same on a car a few years ago, it was a case of injector leakback, I replaced one injector and all was well.
My car had similar symptoms, and again it was an injector with excess leakback. I had the injector rebuilt at a Bosch place, and had no problems since
(Although, now I would just contact mikeyboy (? who can test these) or another trader on here and get a good 2nd hand unit for less money)
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Old 13th August 2019, 13:20   #5
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Just had car put on diagnostic reader.

P1190 rail pressure control

P1260 delivery fuel pressure monitoring

Gentlemen. Where do I start looking??
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Old 13th August 2019, 14:39   #6
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Have you got more than a quarter tank of diesel in?
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Old 13th August 2019, 16:40   #7
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Does it on a full tank or an empty one.
I have also had a leakback test done and all injectors within limits.

Last edited by chunkybray; 13th August 2019 at 17:38.. Reason: spelling
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Old 13th August 2019, 19:16   #8
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HI Nick
Try taking the connector off the fuel rail and clean it with electrical contact cleaner, then my next step would be to look at the regulator O-rings, if you are reporting back that the injectors are ok, how quick did they fill up after a 2 minute tick over what mil was in each one?

O-rings link
https://www.ebay.co.uk/itm/333149039508
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Old 14th August 2019, 06:35   #9
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Sounds to me like damage to the connector on the common rail pressure sensor, or as I found with an ECM recently, where the reading is 0, but the car still runs

Brian
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Old 14th August 2019, 09:54   #10
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Quote:
Quote:
Originally Posted by marinabrian View Post
Sounds to me like damage to the connector on the common rail pressure sensor, or as I found with an ECM recently, where the reading is 0, but the car still runs

Brian
HI Nick.
Now Brian as seen the thread I am sure you will get to the bottom of it, as he is an ECM guru along with Russ, Trikey. so try to follow their instructions
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