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Thread: Barometric pressure - 1105 FA, 0105 FA and a few other codes :)

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    Regular Member influencd's Avatar
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    Default Barometric pressure - 1105 FA, 0105 FA and a few other codes :)

    Heya all,

    I've got a 2.2 DTi (Y22DTR). 60Kish on the clock. '04. Regularly serviced

    Every time I switch on the ignition (unless the engine is still hot) the EML light comes on an stays until I give it a blip of the throttle.
    More recently thought it starts going into limp mode while driving which sometimes goes away of its own accord in 30 secs or a power cycle with the key clears it out.

    I've had some probs already that I thought had sorted everything. I've replaced all three of the turbo boost pipes (larger pipes) as I had splits developing. I've had the EGR out and cleaned with carb cleaner, I've done the same with the boost sensor. For more background I'm running the airbox mod with a K&N. I also ran 10K boost though, I've a sneaking suspicion a bit of it trickled back down the air intake to the MAF, though not 100% certain.

    Anyways, I've been to the dealers today and the following fault codes were there:

    1) 0234(5A) Boost pressure control circuit negative deviation
    2) 0380(0B) Glow device circuit low voltage
    3) 0400(F8) Exhaust gas recirculation valve feedback signal malfunction
    4) 1105(FA) Barometric pressure not plausible with boost pressure
    5) 0105(FA) Barometric pressure not plausible with boost pressure

    The mechanic cleared out the codes, went to for a 3 mile test drive and only the last two remained on the system. They've said the following though:

    1) Can be fixed with ECU reprogram
    2) Glow plugs probably need changing
    3) I started the engine without the EGR valve in to blow the crap out, and this might have caused this, hopefully it won't come back
    4&5) They said this could be a few things (split hoses etc) and could book me in for an hour investigation

    Otherwise the car drives normal though. Good mpg, no smoke that I can see, maybe a bit missing on the throttle sometimes but could just be in my head.

    So the question is, does anyone have any experience with 4&5. I'm keen not to burn money where I don't have to but would definitely like to get it fixed. The only post I could see with the codes on here was one where the guy's car was pretty much dying... hoping I can avoid that.

    I was going to replace all of the boost hoses (http://www.vectra-c.com/forum/showth...ght=boost+hose) and see if I can clean out the MAF (not actually looked properly), any other advice so I can start ruling stuff out?

    Cheers.


    Cheers,
    Charlie

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    Regular Member Big Sig's Avatar
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    Personally i think they need to clean the boost sensor for code number one (possible 4&5 but what you said may explain those) and the EGR valve.

    You could check for splits in hoses yourself to save a few quid.

    You have some glow plug issues but as long as it starts its not that important.

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    Heya Big Sig.

    Well I've already had the boost sensor and EGR off to clean. Was very careful with the boost sensor, used carb cleaner to blast the crap out. The EGR I got pretty clean too, out of interest should you be able to manually move the valve once its out?

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    Regular Member Big Sig's Avatar
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    They are on a spring and solenoid iirc so maybe but i have never stripped one to see.

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    Fair enough. I'll get replacing one by one, have got new pipes and plugs on order.
    The manifold might be gunked up too so I'll have that off while I'm on it.

    I'll check back when I (hopefully) find the solution.

    If anyone has seen 1105(FA) and 0105(FA) in combo it would to hear your shortcut!

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    I replaced all of the vacuum hoses with 2mm silicone tube I got off ebay.

    It definitely drives a lot better, and a bit of a flat spot that I thought was just normal auto behaviour has now pretty much gone.

    I've still got the glow plugs to do. I've left them soaking in penetrating oil tonight...

    I'll get it plugged in to a tech2 at some point and see if the codes clear out and report back. No limp mode yet in 100 miles or so of driving which is a good sign!

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    Just to close this off. I plugged this into a fault code reader today and the two "barometric pressure" alerts have now cleared.

    Awesome stuff for under a tenner and 20 mins!

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