Skills and Trades

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Which of the following would cause carbon fouled spark plugs? A) Defective or missing valve stem ... Started by plus1	1 Replies 58 Views	Jun 22, 2018 by frre432
Which of the following could cause oil fouled spark plugs? A) Weak ignition system output B) ... Started by jjjetplane	3 Replies 51 Views	Jun 22, 2018 by britb2u
A mist of water from a spray bottle can be used to find defective secondary ignition components. ... Started by joblessjake	1 Replies 47 Views	Jun 22, 2018 by kmb352
The throttle body may be cleaned (if recommended by the vehicle manufacturer) if what conditions are ... Started by mp14	1 Replies 53 Views	Jun 22, 2018 by durant1234
Throttle-body fuel-injection systems use what type of injector driver? A) Pulse-width modulated ... Started by laurencescou	1 Replies 124 Views	Jun 22, 2018 by dreamfighter72
Technician A says that an electronic throttle control uses a stepper motor. Technician B says that ... Started by Alainaaa8	1 Replies 73 Views	Jun 22, 2018 by Mholman93
The SAE term for the vehicle computer is ________. A) ECM B) ECU C) Controller D) ... Started by K@	1 Replies 62 Views	Jun 22, 2018 by Li Jun
Which data set contains only two digits? A) Volatile B) Base 10 C) Hexadecimal D) ... Started by shenderson6	1 Replies 85 Views	Jun 22, 2018 by Animal_Goddess
The vacuum hose from the fuel-pressure regulator was removed from the regulator and gasoline dripped ... Started by Destiiny22	1 Replies 93 Views	Jun 22, 2018 by kiamars2010
Which of the following values for IAC count would indicate a vacuum leak on a speed density system? ... Started by bcretired	3 Replies 93 Views	Jun 22, 2018 by blfontai
What component pulses the fuel injector on most vehicles? A) Electronic control unit (computer) ... Started by leo leo	1 Replies 162 Views	Jun 22, 2018 by strudel15
If the throttle plate needs to be cleaned, what symptoms will be present regarding the operation of ... Started by schs14	1 Replies 214 Views	Jun 22, 2018 by lauravaras
A DMM set to read ohms is connected across terminals 6 and 14 of the DLC. The meter reads 60 ohms ... Started by wrbasek0	1 Replies 99 Views	Jun 22, 2018 by Liddy
Which term describes the speed of data transmission? A) Pulse width modulation B) Baud rate C) ... Started by Caiter2013	1 Replies 171 Views	Jun 22, 2018 by guyanai
On a vehicle with a mass airflow injection system, which of the following is likely to occur with a ... Started by cherise1989	1 Replies 74 Views	Jun 22, 2018 by polinasid
Low-speed Class A networks operate at less than ________ bits per second. A) 10,000 B) 5000 C) ... Started by MGLQZ	1 Replies 54 Views	Jun 22, 2018 by Chelseyj.hasty
During a fuel injector pressure drop test, the difference between any two fuel injectors should not ... Started by storky111	1 Replies 155 Views	Jun 22, 2018 by Briannahope
An injector pressure drop test is being discussed. Technician A always uses a special service tool ... Started by nramada	3 Replies 126 Views	Jun 22, 2018 by elyse44
Technician A says to pressure clean the fuel system at between 75-90 PSI before starting the engine. ... Started by colton	1 Replies 96 Views	Jun 22, 2018 by Chocorrol77
How much voltage is generally available to fuel injectors? A) 10 Volts DC B) 5 Volts DC C) 7 ... Started by casperchen82	1 Replies 95 Views	Jun 22, 2018 by Ahernandez18
Technician A says that if fuel pump pressure is correct, fuel pump volume will be correct as well. ... Started by rlane42	1 Replies 110 Views	Jun 22, 2018 by phuda
The following statements are all correct EXCEPT ________. A) Fuel systems that have never been ... Started by storky111	1 Replies 48 Views	Jun 22, 2018 by polinasid
Technician A says that high HC emission levels are often caused by a fault in the ignition system. ... Started by nmorano1	1 Replies 108 Views	Jun 22, 2018 by frejo
Which gas is generally considered to be the rich indicator? (The higher the level of this gas, the ... Started by misspop	1 Replies 58 Views	Jun 22, 2018 by jliusyl
Which gas is generally considered to be the lean indicator? (The higher the level of this gas, the ... Started by mwit1967	1 Replies 126 Views	Jun 22, 2018 by nekcihc358