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Thread: 1.9CDTI 120 - Stalling on mways uphill...

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    Default 1.9CDTI 120 - Stalling on mways uphill...

    Whilst attempting to drive down to Oxfordshire from Glasgow this morning, a trip I do every week due to working down there. My car stalled going up one of the steep hills on the M74... After pulling onto the hard shoulder, I re-started the engine for me to be able to move again. However every time the engine was asked for more power to go uphill it would stall again... Again, I restarted the engine and moved off again, unfortunately this happened another 5 times before I decided to abandon trip and turn back at Ecclefechan... After driving at a slower speed of 60 on the way back, the car only stalled three times.

    On the way down I was in Cruise at 70mph turning over about 1850RPM.

    Going to shove the car in a Garage first thing, but anyone got any idea what the issue may be??

    Car has done 111118 miles, 30000 in the last 8 months alone, atleast 90% Motorway miles. Car had a major service 4 months ago at 97000 miles and also got the Timing Belt changed at the same time. It's a 56 plate.

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    Vehicle : Vectra

    Trim : club

    Engine : diesel

    Year : 2004

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    Sounds exactly like the problem I've got...see this thread:

    http://www.vectra-c.com/forum/showth...NEED-ANSWERS!!

    Did you find out the problem?

  3. #3
    Regular Member danny567890's Avatar
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    Vehicle : vectra c

    Trim : sri

    Engine : z19dt

    Year : 2006

    Mileage : 115k

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    Try taking the air filter out, the element could be clogged. Check the boost pipes for splits, the thin pipes on the front right hand side of the engine. Disconnect the egr valve if this makes it better Clean the egr valve and while it's off clean the boost sensor that's behind it on the left. Could be Maf sensor on top of airbox unplug it see if it helps. All these are free and easy to do. Do one thing at a time to pinpoint the fault. I'm not a mechanic but I own a 120 too

    Unplugging the egr and maf sensor will make the eml come on mind

  4. #4
    Regular Member C-Owner's Avatar
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    Quote Originally Posted by RichieClyde View Post
    Whilst attempting to drive down to Oxfordshire from Glasgow this morning, a trip I do every week due to working down there. My car stalled going up one of the steep hills on the M74... After pulling onto the hard shoulder, I re-started the engine for me to be able to move again. However every time the engine was asked for more power to go uphill it would stall again... Again, I restarted the engine and moved off again, unfortunately this happened another 5 times before I decided to abandon trip and turn back at Ecclefechan... After driving at a slower speed of 60 on the way back, the car only stalled three times.

    On the way down I was in Cruise at 70mph turning over about 1850RPM.

    Going to shove the car in a Garage first thing, but anyone got any idea what the issue may be??

    Car has done 111118 miles, 30000 in the last 8 months alone, at least 90% Motorway miles. Car had a major service 4 months ago at 97000 miles and also got the Timing Belt changed at the same time. It's a 56 plate.
    As mentioned already, MAF should be checked.

    Get a tech 2 session done and especially live data logging.

    Also these are common faults for your symptoms (non MAF related)

    1. Fuel filter < blocked
    2. Fuel injector/s < dumping fuel under load causing low fuel rail pressure
    3. Fuel PCV < incorrectly maintaining fuel pressure
    4. Fuel pump < low pressure.
    Last edited by C-Owner; 19th August 2013 at 16:21.

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    Vehicle : Vectra

    Trim : club

    Engine : diesel

    Year : 2004

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    Quote Originally Posted by C-Owner View Post
    As mentioned already, MAF should be checked.

    Get a tech 2 session done and especially live data logging.

    Also these are common faults for your symptoms (non MAF related)

    1. Fuel filter < blocked
    2. Fuel injector/s < dumping fuel under load causing low fuel rail pressure
    3. Fuel PCV < incorrectly maintaining fuel pressure
    4. Fuel pump < low pressure.
    Hi C-Owner, interesting list of possibilities, thanks for posting them! First person to come up with ideas at last! Out of interest, why would the fuel injectors dumping fuel under load causing low fuel rail pressure? Also, I assume PCV means positive crankcase ventilation - where is the sensor for it?

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    Regular Member yourloveismydrug's Avatar
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    This was started over a year ago ???

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    Regular Member C-Owner's Avatar
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    Quote Originally Posted by yourloveismydrug View Post
    This was started over a year ago ???
    woops

    I was kinda replying to neo

    my bad should have replied in his thread.

    Quote Originally Posted by neo196910 View Post
    Hi C-Owner, interesting list of possibilities, thanks for posting them! First person to come up with ideas at last! Out of interest, why would the fuel injectors dumping fuel under load causing low fuel rail pressure? Also, I assume PCV means positive crankcase ventilation - where is the sensor for it?
    If an injector stays open under load the fuel rail drops pressure and goes into limp mode or shuts fuel supply off completely to stop a cylinder over fueling.

    You can do a leak off test to see which ones faulty but will need to do it under load.

    Might be easier to send the injectors off for testing.

    PCV = pressure control valve on the end of the fuel rail
    Last edited by C-Owner; 20th August 2013 at 22:24.

  8. #8
    Regular Member yourloveismydrug's Avatar
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    Quote Originally Posted by C-Owner View Post
    woops

    I was kinda replying to neo

    my bad should have replied in his thread.



    If an injector stays open under load the fuel rail drops pressure and goes into limp mode or shuts fuel supply off completely to stop a cylinder over fueling.

    You can do a leak off test to see which ones faulty but will need to do it under load.

    Might be easier to send the injectors off for testing.

    PCV = pressure control valve on the end of the fuel rail
    I've seen it loads of times and owners cant understand why a car will run well but occasionally just die , you cant even bump it on the run as the ignition usually needs to be turned off and then on to reset everything until next time ... You might get pressure to low at rail fault and most would just go straight off and change a fuel pressure regulator or sensor

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    Vehicle : Vectra

    Trim : club

    Engine : diesel

    Year : 2004

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    Quote Originally Posted by yourloveismydrug View Post
    I've seen it loads of times and owners cant understand why a car will run well but occasionally just die , you cant even bump it on the run as the ignition usually needs to be turned off and then on to reset everything until next time ... You might get pressure to low at rail fault and most would just go straight off and change a fuel pressure regulator or sensor
    What you're describing is exactly what I am experiencing...at last someone who understands what I'm describing! It doesn't usually start until the car has warmed up. Its driving me insane!!! Is it as simple as replacing the PCV? Or are there more parts to replace aswell? I've got no EML light on so no faults are being recorded....my local garage aren't interested in helping me, don't want to go to a Vauxhall dealer as they wont be interested either, so this forum is my only option at the moment! I think the only way to capture it is with a tech2 or data logger plugged in all the time as it is so intermittent.

    PS - sorry for posting on this old thread but all relevant to the original post I believe!

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    Regular Member Neve'o's Avatar
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    Vehicle : Vectra SRi 150 Hatch

    Trim : SRi

    Engine : Z19DTH

    Year : 2008

    Mileage : 69'000

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    Totally different engine however the issues where similar although it would stall any time when putting your foot down when hot, not just going up hill, it turned out to be a duff EGR valve, so I fitted a blanking plate and a cheater and now the car has never driven so good! This engine was a z16xe, I'm also currently looking a a z14xe with similar problems although not stalling just hesitating when hot, again it looks to be a duff egr valve, the cheater and plate are on order for this one!

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