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Thread: X10XE Poor Running

  1. #1
    'GLS' Member
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    X10XE Poor Running

    So got two issues with the car.

    1)

    When first starting, it really struggles to start up and needs to have a push from another battery. Normally get mums car and jump start it and then it'll turn first time. Once it's running, it'll stay, not erratic, no warning lights on dash etc. If you then turn it off and restart it, it'll be fine but leave it over night - exactly the same problem. I think this is dodgy battery.... Thoughts?

    2)

    You have to rev it really slowly to get any speed out of it and work through the box really slow. If you put your foot down to quick the revs are really jumpy and struggles to go over 40. For example, I went out last night and around town, 30mph, it's fine, leave it in 3rd will just cruise - if you then go to put your foot down, the revs are really lumpy and wont pull. Put it in 2nd, it'll go... but again let the revs get too high... it struggles. Hard to explain but if you accelerate easily, not putting too much work on the engine it'll happily get up to 90 and sit there.
    Again, I think this is either crank sensor or tps.... Thoughts?
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

  2. #2
    'VXR' Member Taurus's Avatar
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    1. Sounds like the battery isn't holding charge or isn't being fully charged. If you have a multimeter check the battery voltage last thing at night and then first thing in the morning (with the engine off). See if it's dropping. It should hold at 12.5v. Anything much less suggests a dud cell.

    Check also with the engine running - should be around 14v.

    Remember that an alternator will not fully charge a low battery, it only replaces the charge used when starting the car. So you may need to give it an overnight trickle charge. (The old dynamos used to fully charge a flat battery but alternators don't - a common misconception.)

    2. May be due to low voltage (low battery voltage can do funny things to ecu systems), or may be something as simple as old plugs. When was it last serviced - full service, all filters, plugs etc?
    1972 Viva restoration thread - [url]https://www.thecorsa.co.uk/projects-builds/138-1972-vauxhall-viva.html#post1534[/url]

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    Covered what I thought.

    With engine running, battery is 14.9v exactly. Not running, I don't know... not looked.

    It's been serviced, checked the plugs last night as obviously I've been trying to start it loads, all nice and silver. Only replaced a month or so ago.
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

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    Wont start at all now, not even being jumped.

    New battery fitted, checked the plugs, checked the 2 earths I can see but nothing. Also tried swapping between my 2 coil packs and still nothing.

    Loosing so much interest now :/
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

  5. #5
    'VXR' Member Vegas's Avatar
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    Has the new battery got good charge? Sometimes they're left on te shelves for months before selling

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    Yep trickle charged it last night. Tried using mums car to jump it.... which is how I've had it running... but even that's not helping now.

    Read that earth points can cause the poor running, ie under load, so looked for them this morning but can only see 1 to the drivers side of the scuttle and 1 next to the battery. Taken these off and given a good clean and put back on. Did have a look across the back of the bay as apparantly there should be a big one on there but can't see anything?
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

  7. #7
    'VXR' Member Vegas's Avatar
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    Not sure on your engine, but on the sport and on mine, they're down the back on the bolt for the starter motor, there's one there.

    You should be able to test by putting an earth from the block to an earth using jump leads. Although I doubt it's an earth issue, as symptoms started before.

    Have you checked for spark from the leads?
    If plugs aren't wet, are you sure there's fuel getting to them?

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    'VXR' Member Taurus's Avatar
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    Is it cranking over?

    If it is cranking, then try this - turn the key to no.2 position but do not crank the engine. Then look on the fuel rail and find the valve, usually covered with a black cap. Press the pin in the valve and see if petrol spurts out (so be careful!). If not tell us.

    If petrol does spurt out then get back in the car and crank it over - for say 5 seconds - then repeat the check on the fuel rail valve to see if fuel pressure is still present.

    There's a number of things it could be, so do them one at a time.
    1972 Viva restoration thread - [url]https://www.thecorsa.co.uk/projects-builds/138-1972-vauxhall-viva.html#post1534[/url]

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    Yes it's cranking over.

    Well I took the plugs out the other night, they were clean, no black etc but did feel wet to touch....?

    Will try the earth with jump lead when it stops raining, along with fuel rail
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

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    Tried the earth - no difference

    Tested the rail with ignition on 11, sprays loads out in a nice jet

    Next?
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

  11. #11
    'VXR' Member Taurus's Avatar
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    Quote Originally Posted by BenWilliams21 View Post
    Tried the earth - no difference

    Tested the rail with ignition on 11, sprays loads out in a nice jet

    Next?
    OK there's fuel pressure before cranking, which is the fuel pump priming run. Did you do the next thing as per above - ie then crank it over and repeat the check for fuel pressure?

    The point being that you get a priming run when you first turn the key, the fuel pump relay then cuts out until the ECU senses the engine turning. If the relay operates then you get fuel pressure on cranking. If not then there's no fuel pressure. Usual suspect is the crankshaft sensor.

    If there IS fuel pressure on cranking the next test is if it is actually getting into the cylinders - you need to see wet plugs. If there is pressure at the rail but the plugs are dry then check the fuel injector relay.
    1972 Viva restoration thread - [url]https://www.thecorsa.co.uk/projects-builds/138-1972-vauxhall-viva.html#post1534[/url]

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    Yep sprays on crank as well, and plugs are wet Which surely then means no spark?

    I've swapped the coil pack already for a known working one...
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

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    'VXR' Member Vegas's Avatar
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    Test to see how strong the spark is, out a spark plug in the end of ht lead and hold the ht lead with some insulting pliers. See how stron the spark is

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    How can I do that with a coil pack though? It's all one sealed unit?

    or am I being thick?
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

  15. #15
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    You can push the spark plug into the rubber protector sleeve and earth it on metal

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    Administrator Dave's Avatar
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    X10XE Poor Running

    X10xe's have coil pack over plug. So you're right there are no leads. A good test some times is to take the coil pack off and leave it on a radiator indoors overnight to dry it out and warm it up. Then take it outside and immediately try and start it with that coil pack. Sometimes worms and confirms the fault is with the coil pack. Although tbh at this stage with the tests you've done, I'd just buy a new one anyway....
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    'VXR' Member Taurus's Avatar
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    Autosessive (CES) do a plug test extension which allows you to test the coil pack on the car - unfortunately entering the part no. into their website doesn't find it. Maybe because it's new to their range.

    Or you can run a HT lead from the coil pack to a plug and test it that way. Just watch out for the voltage as per usual when running this kind of check.

    If there's no sparks it could be the camshaft sensor - given that you've tried two coilpacks.
    1972 Viva restoration thread - [url]https://www.thecorsa.co.uk/projects-builds/138-1972-vauxhall-viva.html#post1534[/url]

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    Bumping my old thread, however, my sisters boyfriend has now connected this to their works diagnostic machine and got these results;



    We then cleared all the codes, as I have since replaced the MAF and Crank Sensor so they may have been old faults, and ran the test again and the only result I got was EGR Valve again?!

    Anyone got a working EGR they can send me for an X10?
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

  19. #19
    'VXR' Member Vegas's Avatar
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    Crank sensor always shows up with engine off

  20. #20
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    A know, however, when I cleared the codes and re ran the test - it didn't come back. Only one that re-appeared on a fresh read was the EGR, is it worth cleaning or should I just replace?
    [CENTER][FONT=arial black][URL="https://www.thecorsa.co.uk/projects-builds/340-my-white-x10xe-corsa-b-project.html"][COLOR=#0000ff]My Corsa B X10XE Project[/COLOR][/URL][/FONT][/CENTER]

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