hi can anyone tell me where abouts of any electrical bits on a 1.9 td 100hp engine i mean has this engine got any air flow meters or gas recirculation bits on it and where i can find these bits and expected cost o said bits. my diesel emitting black smoke at about 2300 to 3000 revs through gears spec 2nd 3rd heeelllppp!"! RuDonEin