Exhaust control valve

How does one solve the problem of the exhaust control valve light being illuminated on the instrument console display?

Does the Volvo XC70 diesel have a DPF, dual mass flywheel and EGR?

I am contemplating the purchase of a 2004-2007 Volvo XC70 automatic diesel. Were these vehicles fitted with DPFs, dual mass flywheels and exhaust gas recirculation valves? It will be my second car with...

Power loss at over 3000 revs in Vectra

My Vectra has been a great workhorse but now when accelerating hard the power fails at around 3000 revs. I have been advised it could be the air mass indicator that has failed. Could this be so?

Oil smell inside car

I have a Ford Focus T-reg and I am getting a distinctive oil smell coming through the vents of the heater after idling for about five mins. I've noticed a leak, maybe from the rocker cover gasket on the...

EGR valve failure

I have 2007 Audi A4 Quattro. The EGR valve failed after 28705 miles. This was 4 months past the 3 yr warranty. Audi claim this is fair wear and tear. I believe this part should last considerably longer....

Smokeless moans

As a pensioner I have understood diesels to be less efficient than petrol on short journeys as they take awhile to warm up. Can you explain what EGR and DPF are?

Breathing more easily

Is it me or have recent emissions laws resulted in the motorist being lined up for a nasty surprise? I refer to the EGR valve setup on many Euro IV engines. This allows spent gases to be recycled back...