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Thread: Another anoying problem.

  1. #1
    Regular Member portreathbeach's Avatar
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    Default Another anoying problem.

    I was driving my 2.0dti Signum today and when I came to stop, I put the clutch right down and the revs were hunting between about 500 and 800. I drove off again and the car was driving fine. I stopped again 10 minutes later, no problem.

    I checked on here to see what people were saying about this problem and I ended up putting it down to the engine trying to power the air-con.

    Anyway, tonight I started the car in the drive and it was hunting even worse, about 500 - 1000 revs. I pulled away without any problem and then pulled in 100m down the road to check the revs, it was steady, about 750rpm. I did have the lights on as it was dark, but the air-con off.

    Any idea what could be the problem?

  2. #2
    Regular Member Ben50n's Avatar
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    Does it have a DPF? Is it trying to regenerate??

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    Quote Originally Posted by Ben50n View Post
    Does it have a DPF? Is it trying to regenerate??

    Don't think that model has them.


    Mick

  4. #4
    Regular Member portreathbeach's Avatar
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    Default

    What is DPF? And what is regenerating? I have seen other people talking about it.

    Little update....Went out to the car. Started it, tick over was fine for 5 seconds or so, then hunting from 500-800 revs. Drove 100m up the road, pulled in, no hunting?

    Plugged in scan tool, no error codes.

  5. #5
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 132000

    Default

    Diesel Particulate Filter

    regenerating is when the car is warm and sometimes on a long run it gets rid of the soot from the exhaust

  6. #6
    Regular Member portreathbeach's Avatar
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    If I did have a DPF on my car, why would it have a lumpy idle every so often?

  7. #7
    Regular Member portreathbeach's Avatar
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    Default

    When I say lumpy, I really mean hunting. The car accelerates fine, but tick-over is hunting between 500 and 800 revs.

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    I've had HLS fitted, which illuminates the glow-plug light when the DPF is cleaning itself. When I stopped at traffic lights the other day, the car started hunting and running lumpy - and the glow plug light came on for approx 15-20 mins. Once the DFP was cleaned, it ran sweet again.

  9. #9
    Regular Member Graham's Avatar
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    Vehicle : Focus

    Trim : Titanium

    Engine : 1.6 TDCI

    Year : 62

    Mileage : 9K

    Default

    DTI s dont have DPF, thank god.

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    Quote Originally Posted by Graham View Post
    DTI s dont have DPF, thank god.


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