Skills and Trades

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Some of the wiring under the hood of a late model vehicle is encased in bright orange covering. This ... Started by schs14	1 Replies 36 Views	Aug 13, 2021 by thall411
Intake manifold gaskets on a V-type engine can fail due to what factor? Started by Starlight	1 Replies 39 Views	Aug 13, 2021 by jgranad15
Coolant drained from the cooling system when replacing a thermostat or water pump should be ________. Started by Wadzanai	1 Replies 36 Views	Aug 13, 2021 by jessicaduplan
A water pump can fail to provide the proper amount of coolant flow through the cooling system if ... Started by OSWALD	1 Replies 41 Views	Aug 13, 2021 by Carliemb17
A vehicle has set DTC P0172, indicating a lean exhaust and a vacuum leak is suspected. This can be ... Started by karateprodigy	1 Replies 171 Views	Aug 13, 2021 by C.mcnichol98
A technician is preparing to do an oil change on a hybrid vehicle. What special precaution needs to ... Started by tnt_battle	1 Replies 50 Views	Aug 13, 2021 by 6ana001
A hybrid electric vehicle has a feature that could allow the engine to start and run without ... Started by c0205847	1 Replies 38 Views	Aug 13, 2021 by AISCAMPING
Which of these smoke types indicates excessive fuel being burned in the combustion chamber? Started by casperchen82	1 Replies 45 Views	Aug 13, 2021 by chjcharjto14
Two technicians are discussing oil leaks. Technician A says that an oil leak can be found using a ... Started by javeds	1 Replies 49 Views	Aug 13, 2021 by aloop
Technician A says that the paper test could detect a burned valve. Technician B says that a grayish ... Started by burchfield96	1 Replies 75 Views	Aug 13, 2021 by dmurph1496
Technician A says that the first step in diagnosing engine condition is to perform a thorough visual ... Started by Evvie72	1 Replies 68 Views	Aug 13, 2021 by janeli1
Technician A says that during a power balance test, the cylinder that causes the biggest RPM drop is ... Started by jasdeep_brar	1 Replies 95 Views	Aug 13, 2021 by alexisweber49
Technician A says that a leaking head gasket can be tested for by using a chemical tester. ... Started by abern	1 Replies 110 Views	Aug 13, 2021 by asdfghjkl;
Technician A says that a compression test can be used to test the condition of connecting rods. ... Started by Themember4	1 Replies 28 Views	Aug 13, 2021 by joewallace
As with cranking compression, the running compression pressure at idle of all cylinders should be ... Started by EAugust	1 Replies 76 Views	Aug 13, 2021 by coyin
A vehicle's oil pressure warning light is on. Technician A says that the pressure sending unit ... Started by B	1 Replies 74 Views	Aug 13, 2021 by nital
A smoothly operating engine depends on ________. Started by NClaborn	1 Replies 173 Views	Aug 13, 2021 by reelove4eva
A good engine should produce how much compression during a running (dynamic) compression test at idle? Started by Melani1276	1 Replies 65 Views	Aug 13, 2021 by jharrington11
Which type of relief valve used on a turbocharged engine is noisy? Started by Pea0909berry	1 Replies 54 Views	Aug 13, 2021 by LegendaryAnswers
What is the purpose of an intercooler? Started by Lisaclaire	1 Replies 24 Views	Aug 13, 2021 by jazzlynnnnn
Two technicians are discussing the term "turbo lag." Technician A says that it refers to the delay ... Started by mpobi80	1 Replies 30 Views	Aug 13, 2021 by zogaridan
Technician A says that volumetric efficiency is a comparison of the actual volume of air-fuel ... Started by lbcchick	1 Replies 32 Views	Aug 13, 2021 by batool
Technician A says that a wastegate is used on most turbocharger systems to limit and control boost ... Started by Metfan725	1 Replies 24 Views	Aug 13, 2021 by sultansheikh
Technician A says that a turbocharger uses the normally wasted heat energy of the exhaust to turn an ... Started by Alygatorr01285	1 Replies 27 Views	Aug 13, 2021 by jlaineee
Technician A says that a stuck open wastegate can cause the engine to burn oil. Technician B says ... Started by Beheh	1 Replies 47 Views	Aug 13, 2021 by Edwyer