by Shop Press Staff | Sep 23, 2025
Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO) Description Technician A is working on a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor. Technician B says that only the oil specified by the vehicle manufacturer...
by Shop Press Staff | Sep 9, 2025
Recovering A/C Refrigerant-ASE Practice Question (VIDEO) Description Technician A is preparing to recover the refrigerant from a customer’s vehicle. All of the below are steps he should take when performing this service EXCEPT: A) Test for the presence of sealant in...
by Shop Press Staff | Aug 26, 2025
Interpreting Compression Tests–ASE Practice Questions (VIDEO) Description Technician A has just completed a running compression test using a mechanical compression gauge. Technician B says that the test is used to check the volumetric efficiency of the engine....
by Shop Press Staff | Aug 12, 2025
Compression Testing | ASE Practice Questions (VIDEO) Description Technician A has just completed a dry compression test of a four-cylinder engine. All four cylinders are below specification by about the same amount. After performing a wet compression test, values...
by Shop Press Staff | Jul 29, 2025
Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO) Description Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions...