Skills and Trades

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Winter-blend gasoline does all of these, EXCEPT: Started by schs14	1 Replies 15 Views	Nov 30, 2019 by Expo
Technician A says winter-blend fuel used in a vehicle during warm weather can cause a rough idle and ... Started by student77	1 Replies 62 Views	Nov 30, 2019 by ong527
Technician A says the two types of abnormal combustion are pre-ignition and post-ignition. ... Started by xclash	1 Replies 24 Views	Nov 30, 2019 by pangili4
Technician A says the use of premium high-octane gasoline in an engine designed to use regular-grade ... Started by maegan_martin	1 Replies 89 Views	Nov 30, 2019 by cupcake16
Technician A says gasoline should always be purchased from a busy station, and the tank should not ... Started by savannahhooper	1 Replies 23 Views	Nov 30, 2019 by kaykay69
Vapor lock can occur under which of these conditions: Started by Lisaclaire	1 Replies 30 Views	Nov 30, 2019 by tkempin
Technician A says that spark knock, ping, and detonation are different names for abnormal ... Started by Capo	1 Replies 32 Views	Nov 30, 2019 by stillxalice
Technician A says that the research octane number is higher than the motor octane number. Technician ... Started by washai	1 Replies 45 Views	Nov 30, 2019 by tsternbergh47
Technician A says that in going to high altitudes, engines produce lower power. Technician B says ... Started by kodithompson	1 Replies 33 Views	Nov 30, 2019 by chevyboi1976
Exxon Mobil has developed a process for converting methanol (methyl alcohol) into gasoline in a ... Started by cdr_15	1 Replies 30 Views	Nov 30, 2019 by sierrahalpin
Technician A says all temperature sensors decrease in resistance as the temperature increases. This ... Started by maegan_martin	1 Replies 43 Views	Nov 30, 2019 by lin77x
The sensor that most determines fuel delivery when a fuel injected engine is first started is which of these: Started by j.rubin	1 Replies 42 Views	Nov 30, 2019 by FergA
A stepped ECT (engine coolant temperature) circuit is being described. Technician A says the sensor ... Started by FButt	1 Replies 81 Views	Nov 30, 2019 by kjohnson
When testing an ECT (engine coolant temperature) sensor on a vehicle, a DMM (digital multimeter) can ... Started by APUS57	1 Replies 121 Views	Nov 30, 2019 by cswans24
When testing the ECT (engine coolant temperature) sensor with the connector disconnected, the ... Started by go.lag	1 Replies 77 Views	Nov 30, 2019 by hanadaa
When checking the ECT (engine coolant temperature) sensor with a scan tool, about what temperature ... Started by jake	1 Replies 62 Views	Nov 30, 2019 by TINA
Two technicians are describing the IAT (Intake air temperature) sensor. Technician A says that the ... Started by naturalchemist	1 Replies 57 Views	Nov 30, 2019 by mcomstock09
A typical IAT (Intake air temperature) or ECT (engine coolant temperature) sensor reads about 3000 ... Started by Arii_bell	1 Replies 108 Views	Nov 30, 2019 by tandmlomax84
If the transmission fluid temperature (TFT) sensor were to fail electrically open (infinity ... Started by lb_gilbert	1 Replies 150 Views	Nov 30, 2019 by softEldritch
DTC (Diagnostic Trouble Code) P0118 DTC is being described. Technician A says the ECT (engine ... Started by fnuegbu	1 Replies 78 Views	Nov 30, 2019 by Natalie4ever
DTC (Diagnostic Trouble Code) P0113 DTC is being described. Technician A says IAT sensor internally ... Started by mcmcdaniel	1 Replies 57 Views	Nov 30, 2019 by Animal_Goddess
DTC (Diagnostic Trouble Code) P0117 DTC is being described. Technician A says the ECT (engine ... Started by gbarreiro	1 Replies 79 Views	Nov 30, 2019 by scottmt
In the below illustration what type of circuit is depicted? Started by cnetterville	1 Replies 50 Views	Nov 30, 2019 by tuwy
Technician A says the purpose and function of the (IAT) intake air temperature sensor is to provide ... Started by wrbasek0	1 Replies 69 Views	Nov 30, 2019 by iceage
Technician A says the 3 wires on the TP (throttle position) sensor include a 5-volt reference ... Started by leo leo	1 Replies 27 Views	Nov 30, 2019 by briseldagonzales