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Thread: z18xe eml - lambda, knock sensor, low temp

  
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    bucky's Avatar
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    z18xe eml - lambda, knock sensor, low temp

    Hey guys, im back in the vauxhall world again, this time with a standard engine, just picked up a 2003 astra 1.8 sxi and it appears to have a few issues.
    First of all the eml is on giving codes - 13 and 17
    13 Lambda Sensor (Open circuit)
    16 & 17 Knock Sensor 1&2 respectivley. (No voltage charge)

    Also the temp display at first appeared not to be working but once left on idle with the heaters off it slowly rose up to 90*. Then the fan was working as per normal. as soon as i start driving it drops down off the scale and stays there.

    Any one got any ideas or comments to add?
    Are the problems related, or just coincidental?
    Might be a complete stab in the dark but the last time i had a knock sensor code was on a c25xe and it turned out to be a blocked injector causing it to set the knock sensor off.

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    bucky's Avatar
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    replaced the rear lambda sensor, the knock sensor and the thermostat/coolant temp sensor.
    still wont run up to temp properly whilst driving, heaters are blowing hotter now though.

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    sep's Avatar
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    mine sits below 80 when driving. and is bob on with fan etc.

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    damian s's Avatar
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    Temp problem will be the thermostat, if its the Z18XE then vuaxhall will only sell you the housing and thermostat in one piece.....about £40, however if you take the housing off you can replace the thermostat on its own with a Q&H QTH600K for about £12......I recently did this on mine and warms up nice and quick and runs at 90 degrees as it should.

    hope that helps

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    thanks for the comment.
    Quote Originally Posted by bucky View Post
    replaced the rear lambda sensor, the knock sensor and the thermostat/coolant temp sensor.
    still wont run up to temp properly whilst driving, heaters are blowing hotter now though.

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