TIMING CHAIN OR IS IT ??

FOODFIGHTERS · Jun 7, 2012

Hi
Ive just had my EML come on.So ive had it diagnosed and its saying that the upper timing chain is stretched with the codes G28 AND G163 Camsharf position sensor 2.So could this be that the timing chain is streched or is the cam sensor faulty? As the engine is really quiet with no rattles....strange..

Cheers.

neilb · Jun 7, 2012

personally i would change the sensor before going the route of the chain fella

FOODFIGHTERS · Jun 7, 2012

I think that might be a good idea.I have had a look , and it does not seem to hard to change...

TwoCollieForThirty · Jun 8, 2012

The G28 cam sensor is a mission to change, its right down low on the front of the engine. You idealy need a ramp but it can be done on your drive but your need to remove the front of the car to get to it if you do it this way. A ramp is the quickest way.

Ive changed mine.

FOODFIGHTERS · Jun 8, 2012

Ok.Thanks for your help.

Turrican · Jun 8, 2012

You could also try an oil change and maybe an engine flush. The chain tensioners are driven by oil pressure and the galleries can get blocked which can lead to cam sensor errors.
My sensors had reported errors but where fine, the readings on vagcom 208/209 where at -9 which was the problem.

TIMING CHAIN OR IS IT ??

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