LenoVan's latest activity

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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    You are right. I am living in Vancouver. This car only has 120k KM. There are so much oil inside the engine, so last year, because of...
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    Thank you. this is a 2001 Audi a4 1.8T in Canada. so "The wastegate may be physically stuck shut, or the mechanism that controls it is."...
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    Thank everyone for every serious reply, especially to you. I am a new user here so it caused everyone to be troubled by this situation.
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    2001 Audi A4 1.8T
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    If the actuator doesn’t work, the n75 value is 0? video Here is the record, Maybe the oxygen sensor also has a problem.
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    The VCDS shows 'boost pressure control(N75)' values is always 0, the "boost pressure(actual)" and "boost pressure(specified)" value...
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    LenoVan replied to the thread 2001 Audi A4 P1555 code.
    Thanks. I have checked the N75 and associated vacuum tubing.it's ok. So air leak is not the reason for "P1555 - Boost pressure Control...
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