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Vauxhall Astra 2.0 A20DTH 2011 - #3 inlet valve burned #

Posted by Andrew Pethig on February 5, 2018, 5:05 pm

Year of Manufacture *: 2011
Engine Size and Code *: 2.0 A20DTH

Has anyone seen this before ? and know what caused it?
Cylinger 3 inlet valve is burned and as a result of escaping exhaust gasses has melted the inlet manifold, the piston has also started to melt.
The glow plug is also melted.

thanks in advance

Re: VAUXHALL ASTRA

Posted by Alan Lange <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3293' width='330' height='300' border=0 style='border:none;'> on February 5, 2018, 9:10 pm, in reply to "VAUXHALL ASTRA"
Alan Lange

Hello Andrew, a few things I can think of that might cause a cylinder to overheat.
E.G.R valve not seating / blocked exhaust,
Faulty injector,
Glow plugs not shutting off,
Excessive D.P.F re-gens.
Does the egr pipe go to the manifold nearest no. 3 cylinder?

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