Hello there like the title sez i have a merc with a problem. it suddenly cut out whilst driving along so then i called the AA and they come out and said it was the crank sensor. so i bought one of those and fitted it but still no joy, phoned the aa once again to come out and they checked the crank sensor and said that was ok. but its still not starting, the injectors are not switching, the fuel pump is not working and theres no spark from the plugs

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