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Thread: signumareasa z20net

  1. #131
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Filled it up with premium gas, EXPENSIVE and on top of that a bottle of fuel additive. For now the morning starts are better, no more engine cutting out in the first 10 seconds of idling

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  3. #132
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Spray siliconed the weather strips since winter is almost here so no more freezing doors.

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  5. #133
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    The unstable idling combined with window demist, AC, headlights, heat, heated seats wasn't something nice to enjoy so i said to myself: did i ever reset the ECU and the throttle body? The answer was no. So i unplugged the ECU and apparently the unstable idle is fixed on petrol, on LPG it's still a bit herratic but that will take some time to adjust or just a plain reset at the LPG service. At least so far the engine doesn't cut off when coming to a hault, it doesn't shake anymore(i got used to the shakie shakie), it works better somehow. Stupid, i mean it's not, it's a opel. Who knows, maybe i won't have to check the timing as planned...

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  7. #134
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Not much happened lately. Car had a hiccup, somehow it forgot "how to key" and didn't want to start anymore. Reseted CIM and ECU, reprogrammed the key and the new one i bought from aliexpress(i was lazy to program it) but only after a few attempts and a lot of sweat. Washed the car. Almost 3000 km in a month averaging about 10% LPG, proud of the old gal.

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  9. #135
    Regular Member northpole's Avatar
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    Vehicle : Vectra C Saloon( sadly died at age 20 due to a hart attack)

    Trim : SXI limited edition

    Engine : 2.0 16v DTI

    Year : 2003

    Mileage : 140000

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    yes i remember this happening to me too... luckily for me when it happened it happened at home, i noticed the immobilizer warning light being on and the car not responding to the key at all... just weird that the car somehow keeps a log on the old immobilizer chips used, even when deleted. And just like you i was sweating buckets because it didn't take accept the old key at first had to do it 3 times.

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  11. #136
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Did a oil change in the middle of the winter last week, 5 months early and 10.3k on the clock. Bitter cold, luckly it's a old car so a oil change is very quick. The usual gm dexos2 oil and mann filter. Spring is kinda coming wich means i will start working on the car. Will check the timing for sure because when i turn on lights, defroster, heating seats and inside fan, the car is not happy about this and it barely runs. The instant fuel consumption jumps to 2+L/hr and it's idling at about 500 rpm and eventually dies because it can't keep up; i am thinking that it might have actually skipped a tooth and the fuel mixture is not right. The diagnosis is lying for sure as it says too much barometric pressure bla bla bla something too much about air related and i have checked for vacuum leak and there isn't any.
    WhatsApp Image 2024-01-26 at 08.47.15.jpg
    WhatsApp Image 2024-01-26 at 08.47.14.jpgWhatsApp Image 2024-01-26 at 08.47.14.jpg
    Last edited by horaa; 26th January 2024 at 08:29.

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  13. #137
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Oh well what can i say. Nothing much happened, one car wash, and fuel.

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