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  • Land Rover Monthly

    Replacing a TDCi exhaust gas recirculation (EGR) valve

    Nov 10, 2021 3 minutes
    CONTRIBUTOR DAVE BARKER

    EARLY environmental regulations led to engine management systems aimed at controlling exhaust emissions. The last of the 300Tdi engines had an exhaust gas recirculation (EGR) valve that returned small amounts of exhaust gas back into the combustion chamber, so reducing nitrous oxides in the exhaust gas from the tailpipe.

    This was a simple valve which often failed because of exhaust carbon building up inside, causing the valve to stick in the open or closed position. Most owners simply unplugged it without affecting the car’s driving performance. The next generation

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