MK2 Golf 1300 - jumpy engine

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Mon 30 May 2011 21:25
MK2 Golf 1300 - jumpy engine - golf-driver

I have a MK2 Golf 1300 engine with transistorised iginition

My engine can be hesitant/jumpy on light acceleration.

I believe the fault lies with the vacuum advance unit. If I suck on the unit it constantly lets air through, shouldn't air eventually stop passing through? or is this normal?

I removed and blocked the vacuum advance unit pipe and the engine was better, but this is not a permanent solution.

All vacuum hoses are new.

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Mon 30 May 2011 22:21
MK2 Golf 1300 - jumpy engine - unthrottled

Perished diaphragm?

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Tue 31 May 2011 00:16
MK2 Golf 1300 - jumpy engine - Peter.N.

...on the vacuum advance, allowing the mixture to go weak at small throttle opemings.

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