Skills and Trades

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On-board diagnostic (OBD) systems I and II are being discussed. Technician A says that only OBD II ... Started by darbym82	1 Replies 359 Views	Aug 13, 2021 by Mholman93
In an OBD II system, when all enabling criteria for a given diagnostic is met, it's considered which ... Started by silviawilliams41	1 Replies 98 Views	Aug 13, 2021 by IAPPLET
By looking at the way diagnostic trouble codes are formatted, which DTC could indicate that the gas ... Started by Shelles	1 Replies 58 Views	Aug 13, 2021 by djpooyouma
An element of the OBD II diagnostic management system which stores engine data during a DTC set is ... Started by awywial	1 Replies 101 Views	Aug 13, 2021 by tjayeee
A pending code is set when a fault is detected on ________. Started by darbym82	1 Replies 80 Views	Aug 13, 2021 by Eunice618
Which exhaust gas reading indicates a good catalytic converter? Started by fbq8i	1 Replies 115 Views	Aug 13, 2021 by Jane
What two primary sensors does the PCM use to check the catalytic converter? Started by nelaaney	1 Replies 49 Views	Aug 13, 2021 by zogaridan
What is the minimum ECT temperature value required for the catalyst efficiency monitor to run under OBD-II? Started by Jramos095	1 Replies 125 Views	Aug 13, 2021 by upturnedfurball
Two technicians are discussing the testing of a catalytic converter. Technician A says that a vacuum ... Started by tiffannnnyyyyyy	1 Replies 214 Views	Aug 13, 2021 by leeeep
Two technicians are discussing catalytic converters. Technician A says that the exhaust mixture must ... Started by Charlie	1 Replies 82 Views	Aug 13, 2021 by nital
This drawing shows a catalytic converter with exhaust gases entering the CAT. What are the gases ... Started by clmills979	1 Replies 371 Views	Aug 13, 2021 by emily12345
Technician A says that the location of the catalytic converter is not important. Technician B says ... Started by yoooooman	1 Replies 90 Views	Aug 13, 2021 by k2629
Technician A says that the catalytic converter is warranted for 8 years or 80,000 miles, whichever ... Started by Metfan725	1 Replies 80 Views	Aug 13, 2021 by isabelt_18
Technician A says that a converter that rattles when tapped with a mallet should be replaced. ... Started by ericka1	1 Replies 301 Views	Aug 13, 2021 by cclemon1
All these are causes of catalytic converter failure EXCEPT ________. Started by lb_gilbert	1 Replies 84 Views	Aug 13, 2021 by lou
A catalytic converter is being tested with an infrared pyrometer. Which is an acceptable result? Started by ec501234	1 Replies 60 Views	Aug 13, 2021 by Ptupou85
A catalytic converter can be harmed by ________. Started by strangeaffliction	1 Replies 75 Views	Aug 13, 2021 by DHRUVSHAH
Which device protects the air pump from reverse exhaust pressure? Started by jwb375	1 Replies 377 Views	Aug 13, 2021 by Kaytorgator
When checking for the proper operation of the AIR system using an exhaust gas analyzer, how much ... Started by K@	1 Replies 47 Views	Aug 13, 2021 by cegalasso
Two technicians are discussing exhaust check valves used in SAI systems. Technician A says that they ... Started by natalie2426	1 Replies 89 Views	Aug 13, 2021 by paavo
The switching valves on the AIR pump have failed several times. Technician A says that a defective ... Started by cool	1 Replies 56 Views	Aug 13, 2021 by ankilker
The PCV system controls which exhaust emission(s)? Started by londonang	1 Replies 89 Views	Aug 13, 2021 by johnpizzaz
Technician A says that the PCV system should create a slight pressure in the crankcase at idle. ... Started by Lobcity	1 Replies 117 Views	Aug 13, 2021 by diana chang
Technician A says that if the PCV valve were defective or clogged, the engine could idle rough. ... Started by jwb375	1 Replies 171 Views	Aug 13, 2021 by shaikhs
Technician A says that if a PCV valve rattles, then it is okay and does not need to be replaced. ... Started by Frost2351	1 Replies 47 Views	Aug 13, 2021 by emilymalinowski12