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Thread: Z18XER Burnt valves replaced/ still not running right

  1. #1
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    Default Z18XER Burnt valves replaced/ still not running right

    Hi All,

    If anyone can shed some light on this I'd be eternally grateful.

    Just before xmas my 57 plate Z18XER LPG conversion started running rough, lost power and the spanner light came on. Took it to a local garage and the guy diagnosed burnt valves. He reckoned it was because I hadn't been using flashlube. While he was in there he also changed the timing belt. So, some time later and £800 odd lighter my car was returned but still not running right. Can't maintain 70 on the motorway if i come up to an incline and pulling away from traffic lights can be measured in what feels like months- not quite that bad, but really no where near the power it used to have.

    So i took it back and forth to the garage and he was cleaning filters (which I now understand to be the solenoid filters) but with no improvement. The last time I took it there he claimed it needed a new section of the exhaust and replaced that (and lightened my pocket of 90 quid), but again it has made no difference.

    So I bought a code reader, haynes manual and started doing a bit of research on t'internet. The codes coming up are p0011 and p0014 which means that the camshaft timing is out. Thus, I'm wondering if it is the solenoid valves that need replaced. I've read on a couple of posts about removing the filters which I did today- albeit just the orange ones rather than the end black one- and while it sounded better when i started it and it seems to idle better, the performance is still crap and the spanner light came back on. I've not had a chance to check the codes, but I'd imagine it is probably the same ones given the symptoms are the same.

    So a couple of questions:
    For people who have replaced solenoid valves before, what codes were you getting before doing so, were they the same ones?
    Is it worth me buying new solenoid valves to cancel out that line of enquiry?
    Could it be anything to do with the fitting of the timing belt?
    Would it be worth taking it to a vauxhall dealer to get it diagnosed?

    Many thanks for reading through my magna carta esq post, and any help/advice would be gratefully received.

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    Engine : Z18XER


    Default

    Someone on here had a similar problem and i think camshafts were not aligned properly i'm searching for the thread

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    Regular Member Critch's Avatar
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    Vehicle : vauxhall vivaro

    Trim : Basic

    Engine : 1.9

    Year : 2004

    Default

    Heads been off and you have can timing codes?

    Coincidence?!

    Get timing checked

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    Default

    Many thanks for the replies.

    Is it ok to drive, or am I risking serious damage?

  5. #5
    Regular Member Critch's Avatar
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    Vehicle : vauxhall vivaro

    Trim : Basic

    Engine : 1.9

    Year : 2004

    Default

    Get it checked ASAP mate.

    Because its driving it should be ok to drive to be checked

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    Engine : Z18XER


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    As Critch says timing needs to be checked my guess is camshafts slightly out

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    Vehicle : vectra c

    Trim : ls

    Engine : 1800 non vvt

    Year : 2004

    Mileage : 136000

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    Vehicle : vectra c

    Trim : ls

    Engine : 1800 non vvt

    Year : 2004

    Mileage : 136000

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    Full Member Niall83's Avatar
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    Default

    After the timing belt being replaced, get the timing checked if all doesn't seem right.
    AirBox Mod-Angel Eye head lights-HID 5000k-Colour coded grill-GID to CID-Auto Dim rear view Mirror, Rear Parking Sensors, Signum Fog surrounds, 19" Audi A5 rep Alloys, Eibach 30mm Pro-kit Lowering Springs.

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    Default

    Hi all,

    Many thanks for the replies.

    This morning I called an independent vauxhall specialist to arrange for them to check the timing and diagnose. Unfortunately the guy said that they don't touch lpg conversions, but I did have a useful discussion with him.

    He said that he doubted it would be the timing as the spanner light would come on a lot sooner that it was presently- on Friday I drove about 40-50 miles before it came on. The guy who replaced the belt also did re-check the timing the first time I took it back (i had forgotten about that bit in my op). The guy then said that he reckoned it would be the cam pulleys. He said that the filter on the solenoid valves are causing issues that damage the cam pulleys and that vauxhall had been offering a 5 year extended warranty on this. He said that if people agreed to pay for the diagnosis vauxhall would make a 'contribution' which ended up replacing the cam pulleys and solenoid valves (with filters removed). However, he also said that i had missed this as he had a guy within the last year who was refused.

    So, i asked if I could get away with replacing the solenoid valves (minus filter) to which he replied I could try it as I might have been lucky since the rattle was only when I started the car- but he reckoned it would more than likely need the cam pulleys replaced.

    So I've bought replacement solenoid valves which I'll fit tonight and take the filters off and then failing that I'll purchase outlet/inlet cams etc.

    Many thanks again for your help, without doubt I'll be leaning on your collective expertise if i have to replace the cams.

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