21. Water in fuel can damage a fuel injection pump ; some diesel fuel filters also trap water. 22. Camshaft and injection pump drives are via two multi-toothed belts with either automatic or manual tensioners. 23. A Bosch PES in-line injection pump is used, with a mechanical governor and vacuum-operated stop control. 24. A Bosch M in-line injection pump is used, with a mechanical governor and vacuum-operated stop control. 25. However, many of them had their injection pump turned up, pushing them to 120 horsepower or more. 26. There were two cam-operated injection pumps per cylinder, each feeding two nozzles, totaling four nozzles per cylinder. 27. It used a Bosch VE injection pump . 28. A preliminary investigation showed a faulty fuel injection pump caused low fuel pressure in both Rolls-Royce engines. 29. The contractor must place the grout using a positive-displacement injection pump or a non-pulsing progressive cavity pump. 30. A preliminary investigation showed a malfunctioning fuel injection pump caused low fuel pressure in both Rolls-Royce engines.