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A4 won't idle cold

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Old 03-31-2009, 07:21 PM
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Cool A4 won't idle cold
Need help - I have an 04 A4 with 1.8T (not sure what B# it is) and when it's cold, it won't idle. Check engine light is on. When it warms up, the engine idles but has a slight hesitation during acceleration. Any ideas??
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Old 03-31-2009, 09:30 PM
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Default Re: A4 won't idle cold
Need Vag Scan

Possible Vacuum Leak or Boost Leak or both ?

B6 Odometer is ? and last time plastic 1.8T vacuum hoses were checked ?
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Old 04-06-2009, 06:49 PM
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Default Re: A4 won't idle cold
Yes, it was a vacuum valve and while it was being looked at, the plastic coolant pipe was cracked. Thanks for your help.
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Old 04-06-2009, 09:33 PM
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Default Re: A4 won't idle cold
Where is located?
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