Vauxhall Signum Intercooler Problems

Problems mentioning the Intercooler on the Vauxhall Signum
Lack of power/jerking

When going uphill @ 50mph plus in 5th/6th gear there is a lack of power/jerking briefly for about 10 seconds then problem goes away.

2007 1.9 CDTI
Posted: Oct 6, 2009
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