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10 Cards in this Set
- Front
- Back
engine cranking vacuum should be ____? |
2.5 in. Hg or higher |
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a good reading for a cylinder leakage test would be ____? |
all cylinders below 20% leakage |
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the low oil pressure warning light usually comes on ____? |
when oil pressure drops dangerously low (4 to 7 PSI) |
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all of these procedures that can help a service technician to diagnose engine faults, EXCEPT ____? |
answer: fuel level test
procedure to diagnose engine faults: vacuum test, cylinder leakage test, compression test |
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which of these smoke types indicates excessive fuel being burned in the combustion chamber? |
black |
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most mechanical engine problems are caused by which of these? |
overheating |
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tech A says that the paper test could detect a burned valve. tech B says that the grayish white stain on the engine could be a coolant leak. who is right? |
both A and B |
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two techs are discussing oil leaks. tech A says that an oil leak can be found using a fluorescent dye in with a black light to check for leaks. tech B says a white spray powder can be used to locate oil leaks. who is right? |
both A and B |
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a good engine should produce how much compression during a running (dynamic) compression test at idle? |
60-90 PSI |
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tech A says that a leaking head gasket can be tested for by using a chemical tester. tech B says that a leaking head gasket can be found using an exhaust gas analyzer. who is correct? |
both A and B |