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Thread: engine management light :(

  1. #1
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    Default engine management light :(

    hey all,

    Vectra C 05 1.8 Club , Engine management light (atleast i think it is, squarish symbal below fuel guage?) came on this morning.

    Car has been sitting for 2 weeks, drove it today and noticed that the revs seemed to be a little high. no loss of power. no other issues. Any ideas before i book it in for diagnostics?

    Cheers

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    Regular Member kentish_bloke's Avatar
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    have a look at this page, you can find out the code for free & then look it up on the list, found on this site. follow the how to in the 1st post.

    http://www.vectra-c.com/forum/showthread.php?t=81922

    code list is here :-

    http://www.vectra-c.com/forum/showthread.php?t=19442

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    do the diagnostic test yourself and save some money!
    its really easy:
    get in the car
    put you feet on the brake and accelerator
    turn the ignition on so the dash lights up
    release the accelerator and push it down again
    turn ignition off, then on again

    your ecu light will now start blinking a code at you.
    If the code was 1234 it would blink once then a small pause, twice then a small pause etc etc.. 0 is ten flashes by the way.

    then once you have the 4 digit code, search on here for the error codes and hey presto, bobs your uncle etc..

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    Default

    nice one guys, this is what i got.

    P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)

    English please?

    edit. actually, is that the oxygen sensor? and if so, is that the wire thats plugged in ontop of the airbox?
    Last edited by mattster87; 18th August 2009 at 17:49. Reason: thought

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    The wire that goes to the airbox is the MAF (mass air flowmeter) sensor.

    The 02 sensor is screwed into the exhaust pipe.

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    more commonly known as the lambda sensor. screwed into the downpipe section usually.

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    cheers everyone, the lights gone off now,should i still be replacing the sensor? also, the cars still slightly over revving, is this related or a seperate issue?

    thanks

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    Default

    my 1.8 sxi idles at just under a thousand,it only increases this slightley when the autochokes on at cold start,the rev needle then hovers up and down when the engines at running temperature!,perfectley normal,it may be that yours just needs a good thrash to stretch its legs!,we had a corsa b 3 pot with an airflow sensor fault so we replaced the sensor and that idled fast for a while but that went away after continious driving!,so suck it and see mate!

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    Found out what the overrevving was. Clutch went in the middle of a busy roundabout thismorning.

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    Default

    sounds like its got a bit of vauxhall itus mate!

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