Classic Audi Technical Mech/Tech Engine » 2.3 NG Starting issues

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Old 05-01-18, 11:05 AM   #31
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The metal breather pipe (No. 2) is blanked off.

The rubber connection from the crankcase (No. 4) is open.

Both number references from the top diagram I posted.
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Old 05-01-18, 12:35 PM   #32
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The fuel filter's been changed yes?

Have you lifted up the fuel metering head(just split the airbox) to check that the flap moves freely and doesn't stick at any point?
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Old 06-01-18, 10:20 AM   #33
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In the coupe, with NG engine, does the idle control valve also provide the extra air for cold start, that would previously have been the auxiliary air valve in previous less sophisticated setups?

Does the idle control valve function correctly?
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