ASE MLR practice Questions and Answers |100% Pass

ASE MLR practice Questions and Answers |100% Pass a vehicles right front wheel has a growling noise that increases with vehicle speed. most likely cause is: - Answer-a worn out wheel bearing will cause a growl that increases with speed. White colored exhaust is billowing from the tailpipe of a vehicle. Which of the following is correct? A. It has worn piston rings. B. It has a leaking head gasket. C. It has worn valve seals. D. It has a leaking fuel injector. - Answer-Answer B is correct. A leaking head gasket results in a coolant leak from the jacket into the cylinder producing white/gray exhaust. An automatic transmission's fluid is pink and milky. Technician A says this is caused by engine overheating. Technician B says the transmission could have been overfilled and the fluid has become aerated. Who is correct? - Answer-No one is correct. Neither technician is correct, the ATF is contaminated with coolant. EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 2/13 Technician A says fuel filters have an arrow that always points toward the fuel tank. Technician B says a clogged fuel filter will reduce fuel pressure at the fuel rail. Who is correct? - Answer- . A vehicle with power assist brakes has a hard brake pedal with little stopping power. Which of these is the MOST likely cause of this condition? A. The brake booster. B. The master cylinder. C. Air in the system. D. Contaminated brake fluid. - Answer- a vehicle pulls to the left only while braking. technician A says this could be a restricted left break line. technician B says this could be a frozen right caliper. who is correct? - Answer-it is technician B because a frozen right front caliper will cause the vehicle to pull to the left when breaking. and if it were the front break line wit would cause the vehicle to turn right not left. because the right front break has more stopping power. a vehicles air conditioner blows cold air while driving at normal speeds, but warm while at a stop lights. the LEAST likely cause of this condition is: - Answer-a frozen expansion valve: this is the least likely type question. once the expansion valve freezes, the air conditioner would have poor performance at all speeds EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 3/13 a technician runs a scan and receives a fault code indicating a problem in the MAF sensor circuit. technician A says this could be caused by a loose wire or an intermittent open. technician B says this could be caused by a faulty MAF sensor. who is correct? - Answer-Both A and B are correct. a vehicle blows blue gray exhaust from its tailpipe only when first started in the morning. the MOST likely cause of this condition is: - Answer-a leaking valve seal will cause oil to leak into the cylinder's chamber over time, usually overnight, resulting in blue gray exhaust at first start. the headlights get brighter as the engine is revved. Technician A says this is caused by a high capacity battery. Technician B says this is caused by a faulty voltage regulator. who is correct? - Answer-Technician B is correct. at the heart of the charging system is the alternator, if the alternator outputs excessive or high charging voltage, check voltage regulation; electrical components, and electronics will be affected. and because the battery is primarily used to start up the engine. A vehicle with a power rack and pinion steering system is binding only while turning corners. which of these are least likely to cause this condition? - Answer-worn rack bushings can cause a vehicle to wander. this is a least likely type question. A technician is bleeding air from a hydraulic power steering system. all of the following statements are true except... A) raise the front tires in the air. EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 4/13 B) turn the wheel from stop to stop to bleed air from the system. c)flush with fresh power steering fluid. D) hold the wheel for at least 10 seconds at each steering stop. - Answer-D) don't hold the wheel against the steering stops for more than 5 seconds. doing so increases system pressure so high it can rupture hoses and damage system components. A red colored fluid is seen leaking between the transmission and the engine. Technician A says this is caused by a leaking rear main seal. technician B says this is caused by a leaking transmission pump seal. who is correct. - Answer-technician B is correct. a leaking oil pump seal will result in automatic transmission fluid leaking between the engine and transmission bell housing. and transmission fluid is red and oil is tan or brown c