Skills and Trades

Replies / Views	Last post
Technician A says that a bypass valve is used to control the boost pressure on most factory ... Started by melly21297	1 Replies 26 Views	Aug 13, 2021 by ricroger
Nitrous oxide injection adds ________ allowing the engine to burn more fuel. Started by wenmo	1 Replies 29 Views	Aug 13, 2021 by hugthug12
How are most turbochargers lubricated? Started by nramada	1 Replies 15 Views	Aug 13, 2021 by apple
Boost pressure is generally measured in ________. Started by jho37	1 Replies 45 Views	Aug 13, 2021 by gabrielle_lawrence
All of these are advantages of supercharging an engine, EXCEPT ________. Started by crazycityslicker	1 Replies 19 Views	Aug 13, 2021 by marict
Why are the EGR gases cooled before entering the engine on some engines? Started by vicotolentino	1 Replies 37 Views	Aug 13, 2021 by aruss1303
The upper portion of a two part intake manifold is often called the ________. Started by Sportsfan2111	1 Replies 70 Views	Aug 13, 2021 by Pswine
The air filter restriction indicator uses what to detect when it signals to replace the filter? Started by V@ndy87	1 Replies 34 Views	Aug 13, 2021 by smrtceo
Technician A says that the exhaust system also contains a catalytic converter, exhaust pipes, and ... Started by burchfield96	1 Replies 52 Views	Aug 13, 2021 by debra928
Technician A says that some intake manifolds are plastic. Technician B says that some intake ... Started by Haya94	1 Replies 50 Views	Aug 13, 2021 by ladyjames123
Technician A says that intake manifolds are always made of metal. Technician B says that some intake ... Started by moongchi	1 Replies 77 Views	Aug 13, 2021 by Ahnyah
Technician A says that exhaust manifolds can be made from hard plastic or aluminum. Technician B ... Started by lilldybug07	1 Replies 96 Views	Aug 13, 2021 by vboyd24
Some systems also have a(n) ________ sensor between the throttle body and the air cleaner. Started by neverstopbelieb	1 Replies 66 Views	Aug 13, 2021 by yahahah24021
Manifold sizes represent a compromise. They must have a cross-section large enough to allow charge ... Started by oliviahorn72	1 Replies 33 Views	Aug 13, 2021 by 14vl19
Exhaust passages are included in some intake manifolds. Technician A says that the exhaust passages ... Started by ts19998	1 Replies 43 Views	Aug 13, 2021 by anyusername12131
All of these are main jobs of the air cleaner and filter parts, EXCEPT ________. Started by stock	1 Replies 83 Views	Aug 13, 2021 by jasonq
A cracked exhaust manifold can cause false readings from which of these engine sensors? Started by future617RT	1 Replies 43 Views	Aug 13, 2021 by vish98
In a dry sump system there is no oil at all in the oil pan. Started by rmenurse	1 Replies 60 Views	Aug 13, 2021 by Kimmy
Two technicians are discussing oil pumps. Technician A says that many oil pumps are driven directly ... Started by audragclark	1 Replies 130 Views	Aug 13, 2021 by amanda_14
The oil pressure relief valve controls ________ oil pressure in the lubrication system. Started by Sportsfan2111	1 Replies 75 Views	Aug 13, 2021 by beccamahon
Technician A says that the lubricating system forms a seal between the piston rings and cylinder ... Started by rayancarla1	1 Replies 196 Views	Aug 13, 2021 by joewallace
Technician A says that oil pressure is normally higher when the engine is cold. Technician B says ... Started by itsmyluck	1 Replies 102 Views	Aug 13, 2021 by Yixagurpuldink
Some vehicles use an oil cooler the help maintain proper oil temperature. Oil temperature range ... Started by RODY.ELKHALIL	1 Replies 115 Views	Aug 13, 2021 by jonathanballen97
Lower than specified oil pressure is measured on a high mileage engine. Technician A says that worn ... Started by burchfield96	1 Replies 111 Views	Aug 13, 2021 by at
Hydrodynamic lubrication, created by the wedging action of oil between the crankshaft journal and ... Started by bclement10	1 Replies 33 Views	Aug 13, 2021 by harveenkau8139