Skills and Trades

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An engine equipped with GDI may have up to a ________ percent improvement in fuel economy. A) 6 ... Started by melly21297	1 Replies 73 Views	Jun 23, 2018 by iceage
What GDI operating mode is used to burn sulfur from the NOx catalyst? A) Stratified heating mode ... Started by FButt	1 Replies 109 Views	Jun 23, 2018 by djofnc
Which of these symptoms may be caused by excessive ethanol in the fuel? A) Late transmission ... Started by crobinson2013	1 Replies 107 Views	Jun 23, 2018 by blfontai
Oxygenated fuel reduces CO in the exhaust by ________. A) Removing the oxygen from CO to make ... Started by APUS57	3 Replies 70 Views	Jun 23, 2018 by javimendoza7
Ethanol can be produced from what products? A) Switchgrass B) Sugarcane C) Corn D) Any of the ... Started by Cooldude101	1 Replies 60 Views	Jun 23, 2018 by fur
When does the PCM perform a self-test of the ETC system? A) During deceleration B) During ... Started by burton19126	1 Replies 45 Views	Jun 23, 2018 by sierrahalpin
Methanol is also called ________. A) Wood alcohol B) Methyl alcohol C) Methyl hydrate D) All of ... Started by bucstennis@aim.com	1 Replies 70 Views	Jun 23, 2018 by missalyssa26
All electronic throttle control system includes the following components, EXCEPT ________. A) ... Started by xroflmao	1 Replies 47 Views	Jun 23, 2018 by AISCAMPING
A vehicle burning CNG loses about ________ percent power as compared to gasoline. A) 85 B) Zero ... Started by yoroshambo	1 Replies 124 Views	Jun 23, 2018 by jessofishing
An engine designed to burn CNG may include what design modifications? A) Increased compression ... Started by tiffannnnyyyyyy	1 Replies 92 Views	Jun 23, 2018 by rekilledagain
A methanol-fueled vehicle exhaust contains ________. A) Indolene B) Formaldehyde C) Naugahyde D) ... Started by charchew	1 Replies 64 Views	Jun 23, 2018 by canderson530
In a typical port fuel injection system, which injectors are most subject to becoming restricted? ... Started by nmorano1	3 Replies 74 Views	Jun 23, 2018 by ky860224
Most manufacturers of vehicles equipped with diesel engines allow what type of biodiesel? A) B100 ... Started by burchfield96	1 Replies 59 Views	Jun 23, 2018 by srodz
Which of these tools is best to check whether the PCM is pulsing an injector? A) Digital ... Started by BRWH	1 Replies 85 Views	Jun 23, 2018 by katieost
E-diesel is diesel fuel with what additive? A) Vegetable oil B) Methanol C) Sulfur D) ... Started by justinmsk	1 Replies 91 Views	Jun 23, 2018 by fwbard
All of the following statements are correct EXCEPT: A) The resistance of a group of injectors ... Started by Capo	1 Replies 44 Views	Jun 23, 2018 by Sammyo
Signs of gasoline contamination of a diesel fuel system include ________. A) Excessive white ... Started by cmoore54	1 Replies 78 Views	Jun 23, 2018 by jamesnevil303
Which of these are symptoms of carbon build-up on the throttle plates? A) Rough idle B) Surging ... Started by ericka1	1 Replies 106 Views	Jun 23, 2018 by johnpizzaz
An injection cleaning machine is being discussed. Technician A says that the applied pressure should ... Started by abarnes	1 Replies 65 Views	Jun 23, 2018 by jliusyl
Technician A says that an engine benefitted from system cleaning if the manifold vacuum at idle ... Started by big1devin	3 Replies 109 Views	Jun 23, 2018 by batool
The following statements are all correct EXCEPT: A) Fuel systems that have never been cleaned may ... Started by krzymel	1 Replies 52 Views	Jun 23, 2018 by kardosa007
Which is true of biodiesel fuel? A) Reduces hydrocarbon emissions B) Reduces particulate matter ... Started by sam.t96	1 Replies 85 Views	Jun 23, 2018 by blazinlyss
The weep hole on a water pump is located where? A) Between the bearing and the engine B) Between ... Started by 09madisonrousseau09	1 Replies 121 Views	Jun 23, 2018 by Hikerman221
For every one PSI increase in cooling system pressure, coolant boiling point is raised by ________ ... Started by deesands	1 Replies 115 Views	Jun 23, 2018 by macybarnes
Which mixture of antifreeze/water solution below is generally recommended for general automotive ... Started by SO00	1 Replies 46 Views	Jun 23, 2018 by rleezy04