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Thread: Whats this light?

  1. #1
    Regular Member Mark1892's Avatar
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    Default Whats this light?

    I'm presuming its the engine management light, an amber engine symbol on the r/h side of dash. No difference in engine performance, oil and coolant levels are ok. I havent got a code reader so would have to pay someone to check it out. Is there anything else obvious i should check first?

    Also seen code readers on ebay for about £30, they do the job or are they tat??

    Thanks

    2003 1.8 LS btw.
    Last edited by Mark1892; 27th September 2010 at 20:12. Reason: additional info

  2. #2
    Ex Vec-C Admin ed taylor's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 3.2 V6

    Year : 04

    Mileage : 000

    Default

    If I am correct the "engine symbol" is when there is something wrong with the emissions.

  3. #3
    Admin & Membership Manager bigmac's Avatar
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    Vehicle : insignia

    Trim : irmscher

    Engine : 2.0 cdti

    Year : 2009

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    does it not come on during regen ?

    Irmscher Insignia CDTI 130

    MOD'S...Irmscher front spoiler, Irmscher mats, Irmscher door pins, Irmscher rear spoiler, Irmscher grille, Irmscher skirt & exhausts,Irmscher Roof spoiler MOD'S TO COME..Side skirts,Wheels

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    Regular Member Mark1892's Avatar
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    Quote Originally Posted by bigmac View Post
    does it not come on during regen ?
    Think i need to read the manual when the wife gets back with the car.

    Whats the regen?

  5. #5
    Regular Member Mark1892's Avatar
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    Right, just checked the manual and it is the exhaust gases light - fault in emission control system. permitted emission limits may be exceeded.

    I also done the pedal test and i think i got two codes.

    10 flashes normal pause then 1 flash then normal pause then 7 flashes normal pause then 10 flashes then a longer pause then 10 flashes normal pause then 1 flash normal pause then one flash normal pause then 10 flashes. ( 10_1_7_10_____ 10_1_1_10 ). can any one help or give link to relevant codes list? thanks

    are the codes P0170 and P0110??
    Last edited by Mark1892; 27th September 2010 at 20:50.

  6. #6
    Regular Member Psykadelik's Avatar
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    Default

    Here you go mate!

    P0170 - Fuel Trim Bank 1
    P0110 - Intake Air Temperature (IAT) Sensor Circuit

    http://myweb.accessus.net/~090/dtcobd2p.html#pow

  7. #7
    Regular Member Mark1892's Avatar
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    Quote Originally Posted by Psykadelik View Post
    Here you go mate!

    P0170 - Fuel Trim Bank 1
    P0110 - Intake Air Temperature (IAT) Sensor Circuit

    http://myweb.accessus.net/~090/dtcobd2p.html#pow

    Cheers mate, do you know if they are linked in anyway, I.E. one cause the other??

  8. #8
    Regular Member Psykadelik's Avatar
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    P0110 - Intake Air Temperature (IAT) Sensor Circuit

    The Intake Air Temperature (IAT) sensor resistance changes in response to the intake air temperature. The sensor resistance decreases as the surrounding air temperature increases. This provides a signal to the PCM, indicating the temperature of the incoming air charge.

    The following symptoms can be caused by a faulty IAT sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit.

    P0170 - Fuel Trim Bank 1

    Possible Causes
    - Intake air leaks
    - Front Heated oxygen sensor may be faulty
    - Injectors may be faulty
    - Exhaust gas leaks
    - Incorrect fuel pressure
    - Lack of fuel
    - Mass air flow sensor may be faulty
    - Incorrect PCV hose connection


    So the answer is YES, they can be related. Possible Causes of P0170 - Intake air leaks also if there is a leak, this may also mean that is might be affecting P0110 as it can't give correct readings

    But hey, I'm no guru

  9. #9
    Regular Member Mark1892's Avatar
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    Default

    Quote Originally Posted by Psykadelik View Post
    P0110 - Intake Air Temperature (IAT) Sensor Circuit

    The Intake Air Temperature (IAT) sensor resistance changes in response to the intake air temperature. The sensor resistance decreases as the surrounding air temperature increases. This provides a signal to the PCM, indicating the temperature of the incoming air charge.

    The following symptoms can be caused by a faulty IAT sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit.

    P0170 - Fuel Trim Bank 1

    Possible Causes
    - Intake air leaks
    - Front Heated oxygen sensor may be faulty
    - Injectors may be faulty
    - Exhaust gas leaks
    - Incorrect fuel pressure
    - Lack of fuel
    - Mass air flow sensor may be faulty
    - Incorrect PCV hose connection


    So the answer is YES, they can be related. Possible Causes of P0170 - Intake air leaks also if there is a leak, this may also mean that is might be affecting P0110 as it can't give correct readings

    But hey, I'm no guru
    maybe not guru but definetly a star just realised that it had a cam belt and kit fitted last week, now wondering if all intake hoses/pipes etc are back in place correctly?????

  10. #10
    Regular Member Psykadelik's Avatar
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    Quote Originally Posted by Mark1892 View Post
    maybe not guru but definetly a star just realised that it had a cam belt and kit fitted last week, now wondering if all intake hoses/pipes etc are back in place correctly?????
    Yeah you might wanna check all connections again because these sensors are very very sensitive and this can be a pain sometimes but on the otherhand can be very useful

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