Which of the following statements regarding the “Pre-Emission Inspection Check” Of a diesel powered vehicle that is subject to Opacity (Smoke Meter) testing is not true? The governor (if equipped), the exhaust system, and the emissions control devices must all be checked.

Q: While discussing working on hybrid vehicles: Technician A says to make sure that the high- voltage…

A: Every vehicle includes high voltage components, and in the case of a hybrid tricycle, it contains…

Q: A vehicle has had several radiator replacements, and each time there has been pinhole leaks in the…

A: Solution:

Q: Which of these provides stringent classifications formulated for engine oils used in European…

A: ACEA , Association de constructors Europeans d'automobiles.

Q: The uncontrolled NOx exhaust emission rate on a new U.S. passenger car is about 3.0 gfarile. The…

A: Given: The current exhaust = 3 g/mile Standard emission reqired = 0.4 g/mile

Q: Which of the following statements about unibodyconstruction is not true?a. A unibody is a stressed…

A: When a car's structure and body are produced as one piece, it is known as unibody construction.…

Q: echnician A says that RWD transmission valve bodies are serviceable from under the vehicle.…

A:

Q: ncomplete combustion is permitted because a significant amount of heat is still generated. true of…

A: Explanation The Incomplete combustion is never permitted because During incomplete combustion some…

Q: What causes high CO emissions?   lean air/fuel mixtures   rich air/fuel mixtures   high…

A: Causes of high CO emissions are

Q: Explain the steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel injection…

A: Question: The steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel…

Q: Technician A says that black exhaust smoke is an indication of a too-rich air-fuel mixture.…

A: Air–fuel ratio is defined as the mass ratio of air to fuel present during combustion. Rich air-fuel…

Q: A vehicle's Maximum Gross Weight (MGW) can be found on the New York State registration and is used…

A: True. The MGW tells the Maximum gross weight.

Q: Which of the following statements is TRUE on the enforcement of IPRS? ОО O The accused infringer…

A: option a are -true. the acused have always chance to prove them that they are not committed and…

Q: Epidemiological studies are all lutant concentrations. In all such studies there is the hazard that…

A: Air pollution is caused by solid and liquid particles, as well as some gases that are suspended…

Q: Carbon deposits on the intake valve or seat may cause the valve not to close properly. Tech a says…

A: If carbon deposits form on the valves or valve seats, the valves will be unable to close properly.…

Q: A technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and the cooling…

A: Given :-  A technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and…

Q: A customer comes in with an indirect TPMS, complaining that despite all the tires running low on…

A: Indirect TPMS works together with your car's Antilock Braking System's (ABS) wheel speed sensors.…

Q: Explain the steps involved in disconnecting a fuel line on a vehicle Multi port direct injection…

A: 1.Let the engine cool down; Most direct injection vehicles have aluminum cylinder heads and…

Q: What affects the efficiency of a catalytic converter?

A: The converter has a proficiency rating that is figured by the vehicle. This number rates the…

Q: The CV joint boots on the left side of a vehicle appear to be squeezed together; the boots on the…

A: The function of engine mounts is to limit the movement of the engine, hold it in a position and…

Q: 1) Forgetting the fact that it would be difficult to detect, if you turn on any electrical device in…

A:

Q: While discussing HEVs: Technician A says that in a series hybrid, the engine is only used to power a…

A: A series-or serial-hybrid vehicle is powered by an electric motor, which operates as an electric…

Q: Emission control systems are installed on engines to reduce what three specific exhaust products?…

A: Emission control system is used to control the discharge of harmful gases from the engine. The are…

Q: How do manufacturers inform technicians about changes in vehicle specifications and repair…

A: Automobile and light truck mechanics check, maintain, and repair vehicles that run on gasoline,…

Q: O O O Before delivering the trash from the n clean and free of h- Select one: O a. Technicia O b.…

A: Before delivering the vehicle to the customer,it is important to check the vehicle for cleanliness.…

Q: An engine starts and runs briefly after a small quantity of fuel is put into the spark plug hole,…

A: An engine starts and runs briefly after a small quantity of fuel is put into the spark plug hole,…

Q: A reddish-colored oil is discovered to be leaking during an engine oil change and inspection:…

A: Leak fluid color and its use in an automobile is shown in tabulated form Leak fluid color  fluid…

Q: Technician A says if the amber ABS warning light is on continuously, the ABS system is still…

A: Anti breaking system: The anti-lock braking system is a safety anti-skid braking system which is…

Q: an engine is being discussed for lean running condition. technician A checks for air leak in the…

A: There are five factors that causes to run engine in lean condition. They are Fuel System Oxygen…

Q: When checking the exhaust system, the Certified Inspector must reject the vehicle if: It does not…

A: While checking the exhaust system the inspector must reject the vehicle if it has no muffler,…

Q: fuel additive are being discussed. technician A says adding oxygenates to gasoline increases fuel…

A: Given :- technician A says adding oxygenates to gasoline increases fuel economy. Technician B says…

Q: 109) A customer complains that his vehicle will not move when first shifted into gear. Technician A…

A: When the vehicle sit engine off over night, fluid from the torque converter drains back . It drain…

Q: Technician A uses sandpaper to remove carbon deposits from turbocharger wastegate parts. Technician…

A: The turbocharger is a device used to increase the power of the engine by compressing the air that…

Q: Which of the following statements is not true?   a. DTCs that will not affect emissions will never…

A: Solution:

Q: Technician A says that the PCM illuminates the mil if a defective causes emission levels to exceed…

A: If the emission level exceeds the threshold limit then PCM illuminates the mil. But it is not only…

Q: describe four distinct modes the vehicle should be operated in during a road test when diagnosis…

A: Introduction: The test car approach was utilized to acquire journey time data. This approach has…

Q: A discussion concerning CV joint testing is being held. Technician A says that a recommended method…

A: CV Joint:  CV joint means Constant Velocity Joint. They are used to transfer the power in a variable…

Q: Saudi Aramco has been identified as the single corporate entity that produces the most CO2 emissions…

A: Answer: 4.38% Saudi Aramco is responsible for the 4.38% of the world’s historic carbon emissions…

Q: A vehicle is having its water pump replaced. When the water pump is removed, severe corrosion is…

A: A vehicle is having its water pump replaced. When the water pump is removed, severe corrosion is…

Q: Technician A says there is less heat energy in high octane gasoline and, therefore less power is…

A: Technician A says there is less heat energy in high octane gasoline and, therefore less power…

Q: The Diesel Emissions Opacity Inspection Procedure includes a visual check of the OEM (Original…

A: True In the procedure it is clearly mentioned that the visual check on the OEM emission control…

Q: gasoline volatility is being discussed. technician A says gasoline blended for summer use is more…

A: The variety of gasoline varies seasons to seasons. In winters winter, gasoline is used while in…

Q: Which of the following would NOT be cause for rejection when checking the windshield and other…

A: Answer = option (d) The windshield has a 2 inch diameter“star”

Q: Besides indicating ABS faults for some systems, the red brake warning lamp on the instrument panel…

A: All of your instrument lights should quickly flicker on when you initially start your…

Q: technician A says lean ratio of 15:1 to 16:1 provide the best fuel economy. technician B says rich…

A: Air/Fuel ratio: The air/fuel ratio is defined as the ratio of the amount of air to the amount of…