There is a warning light intermittently coming on in my 2007 Astra. Vauxhall garage says it's an inlet manifold problem and would cost £500 to fix. The car runs normally whether the light is on or off ...

When I first start my 2001 Ford Mondeo in the morning it is great, however when the engine warms up I start having problems. It doesn't matter what gear I'm in, whilst trying to accelerate it jumps ...