Engine_2014 : Motor Plants and Auxiliary Boilers - 1285/2614
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| Visual inspection of a fuel injector valve, removed during overhaul, shows heat discoloration of the lower end of the valve. This is indicative of __________ . |
| A) valve leakage |
| B) insufficient valve lift |
| C) choking of nozzle holes |
| D) return check valve leakage |
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