Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
User status: Offline
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Hey People,
Ive tried searching for a thread with the same problem as me and couldn't find anything so im sorry if this is a repost......
Basically i took my car to a mechanic to get the crank oil seal, clutch and one of the water hoses replaced, went to pick it up on saturday and he was just finshing up as i got there, he told me to start it and then.....the engine kept reving to around 6000 revs and then dropping back down constantly and my engine warning light is on, i was told he had to take the inlet manifold off to replace the water hose, i can only think he has not put it back together properly does anyone have any ideas what could cause this??
i've got a 1998 1.6 16v sport
Any help is greatly appreciated...
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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vaccum hose more than likely. try the hose that goes from the map sensor to the manifold. they split when they are removed.
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Rob B
Member
Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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I take it you have checked all obvious thing's such as throttle cable is back in place correctly, but if its jumping up and down it does sound like a leak, mine did the same when i first fitted the engine, had a vacuum leak and it reved round to 3k and just sat there.
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Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
User status: Offline
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cheers for the quick reply fellas i told him to check the vacuum hoses around the manifold and it was one of them  car is sorted and back on the road 
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