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Thread: P0400-5B Exhaust Gas Recirculation Flow Excessive Detected

  1. 9th September 2010, 22:34 #1
    zafira
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    Default P0400-5B Exhaust Gas Recirculation Flow Excessive Detected

    Someone knows what this fault code could be?
    P0400-5B Exhaust Gas Recirculation Flow Excessive Detected
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  2. 9th September 2010, 22:35 #2
    zafira
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    Its a Zafira cdti 120 2006 mod
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  3. 10th September 2010, 06:27 #3
    bobssignum
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    Vehicle : Insignia sport tourer 2.0 CDTi

    Trim : /Elite

    Engine : 2.0 CDTi

    Year : 2014

    Mileage : 34900

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    One of your ambda sensors 5B denotes it is the rear one has gone faulty or has been dislodged , have a look under the car and see if there is anything hanging down .
    Driving vauxhall,s for 30 + years
    and still loving it
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  4. 10th September 2010, 08:08 #4
    zafira
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    Thanks. I will check it.
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  5. 11th September 2010, 07:46 #5
    zafira
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    It was the EGR blocking. Its litle open now and its ok. No eml on.

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