Kia ceed 1.6 diesel estate 2012. Engine management light came on and showed 'fuel restriction'. I changed the fuel filter and cleaned the tank. Light went off, I put diesel in and 3 days later the light came back on saying the same thing. Any ideas of what the problem might be?
It sounds to us that the fuel supply is being restricted by the engine control unit because of another issue - i.e. it's in a sort of 'limp home' mode. You should get a good mechanic to plug the car into a diagnostic computer to find out what errors are being thrown up.
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