Skills and Trades

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What is the principle used to create high voltage from low voltage? A) Electromechanic induction ... Started by natalie2426	1 Replies 129 Views	Jun 23, 2018 by amandanbreshears
Which computer function describes how the computer handles inputs? A) Storage B) Output C) Input ... Started by 09madisonrousseau09	1 Replies 169 Views	Jun 23, 2018 by enass
Diesel emission control systems require ultra-low sulfur diesel fuel starting in ________. A) ... Started by Tirant22	1 Replies 77 Views	Jun 23, 2018 by lkanara2
Technician A says that temperature sensors decrease in resistance as the temperature increases; this ... Started by Jipu 123	1 Replies 83 Views	Jun 23, 2018 by quynhmickitran
The voice recognition system microphone is usually located near the glove box door. Indicate ... Started by SAVANNAHHOOPER23	1 Replies 38 Views	Jun 23, 2018 by ASDFGJLO
Technician A says that the purpose of the IAT sensor is to provide the engine computer (PCM) with ... Started by HCHenry	1 Replies 52 Views	Jun 23, 2018 by paavo
Which wire on a typical TP sensor should back-probed to check the voltage signal to the PCM? A) ... Started by EY67	1 Replies 56 Views	Jun 23, 2018 by joewallace
Technician A says that the HVAC doors in an automatic system may be vacuum operated. Technician B ... Started by captainjonesify	3 Replies 80 Views	Jun 23, 2018 by Kedrick2014
A MAP sensor is being discussed. Technician A says that many MAP sensors act as a barometric ... Started by maegan_martin	1 Replies 59 Views	Jun 23, 2018 by amy.lauersdorf90
The MAP sensor is used by the PCM to diagnose the ________ system. A) O2 sensor B) EGR C) AC D) ... Started by Engineer	1 Replies 39 Views	Jun 23, 2018 by Melissahxx
Two technicians are diagnosing a poorly running engine with no stored DTCs. When the MAF sensor is ... Started by vicotolentino	1 Replies 45 Views	Jun 23, 2018 by shailee
What are the two methods of sensing incoming engine air flow? A) Speed density and throttle ... Started by moongchi	1 Replies 75 Views	Jun 23, 2018 by canderson530
Technician A says that the pump check valve should hold system pressure for at least five minutes ... Started by Alainaaa8	1 Replies 95 Views	Jun 23, 2018 by ky860224
A small amount of gasoline in the regulator vacuum hose is normal on older vehicles. Indicate ... Started by lbcchick	1 Replies 45 Views	Jun 23, 2018 by johnharpe
A vehicle fails an emission test due to excessive carbon monoxide indicating a rich air fuel ... Started by cookcarl	1 Replies 100 Views	Jun 23, 2018 by Anna
How much of the air needed by the engine flows through the PCV system when the engine is at idle ... Started by Hungry!	3 Replies 91 Views	Jun 23, 2018 by sylvia
The accelerator position sensor outputs 2 identical, redundant voltage signals. Indicate whether ... Started by strangeaffliction	1 Replies 43 Views	Jun 23, 2018 by guyanai
When the ignition is first turned on a click noise is heard from under the hood of a vehicle ... Started by jake	1 Replies 268 Views	Jun 23, 2018 by Sweetkitty24130
A U type DTC indicates a problem with ________. A) Communication related systems B) Powertrain ... Started by acc299	1 Replies 63 Views	Jun 23, 2018 by bulacsom
Technician A says that OBD-II includes generic as well as vehicle manufacturer's specific DTCs and ... Started by laurencescou	1 Replies 106 Views	Jun 23, 2018 by reelove4eva
A type C DTC will light the MIL. Indicate whether the statement is true or ... Started by jrubin	1 Replies 131 Views	Jun 23, 2018 by debra928
Technician A says that a standard spark plug can be used to check proper ignition system voltage. ... Started by nmorano1	1 Replies 53 Views	Jun 23, 2018 by Jbrasil
About how fast does a motor-generator crank the internal combustion engine? A) About 1000 RPM B) ... Started by altibaby	1 Replies 38 Views	Jun 23, 2018 by Missbam101
Which type of hybrid electric vehicle has idle stop operation? A) Strong hybrids only B) Strong, ... Started by mspears3	3 Replies 53 Views	Jun 23, 2018 by Dnite
Technician A says that a diesel hybrid is not possible. Technician B says that a diesel hybrid is ... Started by Melani1276	1 Replies 52 Views	Jun 23, 2018 by jomama