Skills and Trades

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In a typical port fuel injection system, which injectors are most subject to becoming restricted? Started by MirandaLo	1 Replies 246 Views	Aug 13, 2021 by Meganchabluk
How much voltage is generally available to fuel injectors (most vehicles)? Started by jazziefee	1 Replies 66 Views	Aug 13, 2021 by makaylafy
Fuel injection service is being discussed. Technician A says that the throttle plate(s) should be ... Started by bb	1 Replies 67 Views	Aug 13, 2021 by meltdown117
All of the following statements are correct EXCEPT ________. Started by LCritchfi	1 Replies 65 Views	Aug 13, 2021 by todom5090
A scan tool is used in diagnosis to observe ________. Started by cookcarl	1 Replies 60 Views	Aug 13, 2021 by vish98
With the ignition off and the key out of the ignition, what should happen if a technician uses a ... Started by tth	1 Replies 110 Views	Aug 13, 2021 by missalyssa26
When does the PCM perform a self test of the ETC system? Started by jwb375	1 Replies 88 Views	Aug 13, 2021 by GCabra
The throttle position sensor used in the throttle body assembly of an electronic throttle control ... Started by Starlight	1 Replies 112 Views	Aug 13, 2021 by hollysheppard095
The throttle plate actuator motor is what type of electric motor? Started by james0929	1 Replies 117 Views	Aug 13, 2021 by nanny
The actuator motor is controlled by the PCM through what type of circuit? Started by cool	1 Replies 67 Views	Aug 13, 2021 by Tonyam972
Technician A says that an electronic throttle control uses a stepper motor. Technician B says that ... Started by gonzo233	1 Replies 85 Views	Aug 13, 2021 by strudel15
Technician A says that an electronic throttle control uses a stepper motor. Technician B says that ... Started by fbq8i	1 Replies 115 Views	Aug 13, 2021 by katara
After servicing the air filter on an ETC equipped vehicle, the technician has forgotten to connect ... Started by stevenposner	1 Replies 54 Views	Aug 13, 2021 by sailorcrescent
A technician is checking the operation of the electronic throttle control system by depressing the ... Started by craiczarry	1 Replies 49 Views	Aug 13, 2021 by Sarahjh
A green wrench symbol is displayed on the dash. What does this mean? Started by strangeaffliction	1 Replies 71 Views	Aug 13, 2021 by leannegxo
Some engines that use a gasoline direct injection system also have port injection. Started by aabwk4	1 Replies 69 Views	Aug 13, 2021 by missalyssa26
Which mode of operation results in a richer air-fuel mixture near the spark plug? Started by OSWALD	1 Replies 79 Views	Aug 13, 2021 by djofnc
When the fuel pressure regulator is deactivated, the fuel pressure defaults to ________. Started by Jkov05	1 Replies 196 Views	Aug 13, 2021 by ambernicolefink
What GDI operating mode is used to burn sulfur from the NOx catalyst? Started by Beheh	1 Replies 147 Views	Aug 13, 2021 by rnehls
The high-pressure fuel pump used in gasoline direct injection (GDI) systems is powered by ________. Started by mmm	1 Replies 83 Views	Aug 13, 2021 by emilymalinowski12
The fuel pump inside the fuel tank on a vehicle equipped with gasoline direct injection produces ... Started by jeatrice	1 Replies 93 Views	Aug 13, 2021 by braelync
GDI fuel injectors operate under a pressure of about ________. Started by future617RT	1 Replies 97 Views	Aug 13, 2021 by irishcancer18
Gasoline direct injection (GDI) is also known as ________. Started by sc00by25	1 Replies 109 Views	Aug 13, 2021 by durant1234
A lack of power from an engine equipped with gasoline direct injection could be due to ________. Started by Anajune7	1 Replies 94 Views	Aug 13, 2021 by popopong
Why is a vacuum line attached to a fuel-pressure regulator on many port-fuel-injected engines? Started by Tirant22	1 Replies 91 Views	Aug 13, 2021 by ms_sulzle