Jaygracey

ASE-A8 Engine performance Study Guide Questions with Correct Answers . 1. What does a wet compression test, test for? - Correct answer-Burned valve would show no change in compression. A leaking/worn piston would have some change in compression. What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring. - Correct answer-A What most likely is the cause if the compression goes up during a wet compression t...

ASE HVAC Exam Practice Questions with Correct Answers. What would be the most likely result of a missing AC compressor clutch diode? - Correct answer-Damage to the ECM Tech A says that the service fittings for R-134a are the same as the service fittings for R-12. Tech B says the low-side service fitting is a 16mm quick-connect and high-side is 13mm quick-connect. Who is right? - Correct answer-Neither An inoperative cable-controlled heater control valve is being diagnosed. The control m...

L1 Practice Exam (Computerized Powertrain Controls Diagnosis) Questions with Accurate Answers. 18. An engine lacks power and there are no stored diagnostic trouble codes. Which of the following scan tool readings, at 2,000 RPM, is the MOST likely one to be the cause? a. AFRS (Air/Fuel Ratio Sensor) 2/1 = 2.5 Volts b. MAF (Mass Air Flow) = 2.0 gm/sec/.70 volts c. Injector pulse width = 3.3 ms d. MAP (Manifold Absolute Pressure) = 81 kPa/6 in.Hg/3.5 volts - Correct answer--MAF (Mass Ai...

L1 Practice Exam (General Powertrain Diagnosis) Questions With Accurate Answers. 1. Two technicians are discussing how to locate relevant service information. Technician A says paper service manuals are still the best resource for service information. Technician B says to follow the recommended service procedures contained in the on-line service information. Who is right? A) Tech A B) Tech B C) Both A and B D) Neither - Correct answer-Technician B is right because all OEM (original eq...

L1 Practice Exam (Ignition Systems Diagnosis) Questions With Accurate Answers. 37. A technician is diagnosing an engine misfire with active and stored DTC (Diagnostic Trouble Code) P0302. The number 2 cylinder spark plug was discovered to be worn and white in color while the other plugs were slightly worn and normal color. Which of the following is the MOST likely cause? a. Vacuum leak b. Loose spark plug c. Defective fuel pressure regulator d. Partially stuck open EGR valve - Corr...

ASE L1 Engine Performance Study Guide Questions with Correct Answers. Air fuel ratio (Very rich) 10.1 at all speeds ———- Idle Off idle Cruise HC 250ppm 275ppm 300ppm CO 3%. 3%. 3% CO2 7 to 9 all down O2 .2% all down What can the possible cause be ? A. Leaking injector B. High Map sensor voltage (low pressure reading) (vacuum leak) C. Stuck open thermostat D. All the above - Correct answer-D Air fuel ratio (Rich) 10.1 to 12.1 at low speed ————Idl...

Well Defined ASE Certification Study Guide Questions With Correct Answers. Spark plugs are being replaced on a v6 engine. Which of the following should be performed before removing the boot? - Correct answer-Twist the boot 1/2 a turn Technician A days that a positive crankcase ventilation (pvc) system reduces vehicle emissions. Tech B says that a pvc system helps increase crankcase pressure. Who is correct? - Correct answer-Tech A Tech A says that secondary ignition wires should be in...

ASE - Auto Maintenance and Light Repair Study Guide Questions with Answers. Technician A says that when pressure testing a radiator cap, a special adapter is needed. Technician B says the best way to check thermostat operation is while it is in the engine. Who is right? - Correct answer-Tech A A technician is checking resistance in an engine's spark plug wires using an ohmmeter. A general rule is to replace a wire if resistance is over: - Correct answer-30,000 ohms Technician A say...

Elaborate ASE G1 DELMAR preparation Exam Test Questions with Correct Answers. Before starting work on any vehicle, it's important to: a. gather as much information as possible b. check with the customer c. check with the shop supervisor d. raise the vehicle on the lift - Correct answer-a. gather as much information as possible While listening to a manual transmission vehicle engine as it is idling, the technician notes a loud ticking noise coming from the upper part of the engine. W...

ASE G1 DELMAR preparation exam 2 Solved Questions with Answers . A high-mileage engine has a leaking oil pan gasket. Technician A says some undercar components may need to be removed in order to replace the pan gasket. Technician B says that the engine may have to be raised up off it's engine mounts to replace the gasket. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor B - Correct answer-c. Both A and B Oil pan and valve cover gasket(s) should be che...