Skills and Trades

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Before an evaporative emission monitor will run, the fuel level must be where? Started by casperchen82	1 Replies 26 Views	Aug 13, 2021 by emsimon14
A vehicle fails an emission test due to excessive carbon monoxide indicating a rich air fuel ... Started by jenna1	1 Replies 28 Views	Aug 13, 2021 by Mochi
A vehicle failed an emission test due to high carbon monoxide and hydrocarbons in the exhaust gas. ... Started by abc	1 Replies 42 Views	Aug 13, 2021 by bassamabas
A fuel tank expansion chamber is designed to be what percentage of the tank capacity? Started by dmcintosh	1 Replies 124 Views	Aug 13, 2021 by bd5255
A dizzy feeling or a headache could indicate the presence of carbon monoxide (CO). Started by anjilletteb	1 Replies 20 Views	Aug 13, 2021 by otokexnaru
Which gas is generally considered to be the rich indicator? (The higher the level of this gas, the ... Started by Tirant22	1 Replies 38 Views	Aug 13, 2021 by kiamars2010
Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is ... Started by leo leo	1 Replies 34 Views	Aug 13, 2021 by bob
Technician A says that high HC emission levels are often caused by a fault in the ignition system. ... Started by nautica902	1 Replies 54 Views	Aug 13, 2021 by vickyvicksss
Technician A says that carbon inside the engine can cause excessive NOx to form. Technician B says ... Started by itsmyluck	1 Replies 45 Views	Aug 13, 2021 by epscape
Oxides of nitrogen results from a combination of nitrogen and ________. Started by renzo156	1 Replies 50 Views	Aug 13, 2021 by vseab
NOx readings at idle should be less than ________. Started by charchew	1 Replies 34 Views	Aug 13, 2021 by duke02
An ignition fault could cause excessive ________ exhaust emissions Started by jilianpiloj	1 Replies 107 Views	Aug 13, 2021 by jxjsniuniu
After the following exhaust emissions were measured, how was the engine operating? HC=766 PPM ... Started by lracut11	1 Replies 41 Views	Aug 13, 2021 by Kimmy
A vehicle being inspected under an OBD-II testing program and the MIL is ON. What will be the ... Started by Sportsfan2111	1 Replies 26 Views	Aug 13, 2021 by jennafosdick
Which term describes the electrical current flow in the opposite direction when an injector coil is energized? Started by james9437	1 Replies 40 Views	Aug 13, 2021 by ankilker
Which of the following values for IAC count would indicate a vacuum leak on a speed density system? Started by lracut11	1 Replies 43 Views	Aug 13, 2021 by pami445
When looking at a solenoid with an oscilloscope, what event often follows applying or removing power ... Started by elizabeth18	1 Replies 17 Views	Aug 13, 2021 by mjenn52
What should be done if the fuel pressure regulator will NOT hold vacuum? Started by roselinechinyere27m	1 Replies 28 Views	Aug 13, 2021 by sabina576
What component pulses the fuel injector on most vehicles? Started by LaDunn	1 Replies 42 Views	Aug 13, 2021 by jjorrostieta
The vacuum hose from the fuel-pressure regulator was removed from the regulator and gasoline dripped ... Started by tsand2	1 Replies 40 Views	Aug 13, 2021 by jasonq
The fuel pressure drops rapidly when the engine is turned off. Technician A says that one or more ... Started by mspears3	1 Replies 38 Views	Aug 13, 2021 by janeli1
The following statements are all correct EXCEPT ________. Started by jwb375	1 Replies 71 Views	Aug 13, 2021 by asware1
Technician A says that the fuel system should be diagnosed first in a no-start condition. Technician ... Started by Wadzanai	1 Replies 34 Views	Aug 13, 2021 by SeanoH09
Technician A says that if fuel pump pressure is correct, fuel pump volume will be correct as well. ... Started by dakota nelson	1 Replies 46 Views	Aug 13, 2021 by ciecieme
Technician A says that all the fuel injectors on an engine should have the same electrical ... Started by jparksx	1 Replies 44 Views	Aug 13, 2021 by Pamela.irrgang@yahoo.com