Pd170 coil warning light and limp mode issues

Discussion in 'Diesel' started by Chaps, Jan 16, 2018.

  1. Chaps Forum Member

    Joined:
    Apr 25, 2007
    Likes Received:
    3
    Location:
    Preston
    Hi guys. Looking for some advice regarding my B7 Audi A4.
    I have an intermittent coil warming symbol issue where the coil light will come on and it triggers the car to go into what I think is limp mode.
    It normally lasts for a few seconds, but by changing down a gear and increasing the revs it will go off and normal power is resumed. It happens quite regularly on a drive but happens a lot more at lower rpms.
    Did an obd scan and it showed one error related to EGR but not sure if this is it.
    Had a read but can't find any real solutions on Google. Some people sat it may be injectors, or EGR or something to do with a short with the brake light circuit.
    Thought would ask if anybody else had experienced a similar issue before I take the car to a specialist? The car is a 170pd.
    Thanks in advance.
    Chaps
     

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